Stainless Steel Corrugated Braided Gas Hose ZLR-16: Flexible, Reinforced Connections for Gas Appliances

Safe and dependable gas connections require more than a flexible tube. A connection hose must tolerate pressure, vibration, repeated movement, temperature variation, installation stress, and the corrosive effects of the surrounding environment. It must also provide a reliable seal at both ends while remaining easy to install in confined spaces. The Stainless Steel Corrugated Braided Gas Hose ZLR-16 is designed to address these requirements through a combination of stainless steel corrugated construction, reinforcing braid, protective polyethylene covering, threaded connectors, and sealing washers.

The ZLR-16 belongs to the category of stainless steel corrugated tubes for connecting gas appliances. Its primary purpose is to create a secure and flexible connection between an appliance and a gas supply point. Compared with rigid pipe sections, it can accommodate alignment differences and limited movement without requiring complicated bending operations. Compared with basic unreinforced flexible tubing, its metal structure offers improved resistance to mechanical stress, pressure, deformation, and long-term environmental exposure.

This article examines the construction, operating benefits, installation value, quality characteristics, manufacturing capabilities, and application considerations of the ZLR-16. It also explains how the production strengths of Zhejiang Zhenlong Energy Equipment Technology Co., Ltd. support the consistency and reliability expected from a professional metal hose and pipe fitting manufacturer.

1. The Role of a Flexible Gas Appliance Connection

Gas appliances are rarely positioned in perfectly aligned conditions. A cooking appliance, heater, boiler, or other gas-powered unit may be installed against a wall, inside a cabinet, beneath a work surface, or in a location where the supply pipe and appliance inlet are offset from one another. A fixed pipe connection can be difficult to align and may transfer excessive force to the appliance or threaded fittings.

A flexible gas hose helps solve this problem by allowing controlled movement between the supply point and the appliance. The hose can absorb minor alignment differences and can be routed around obstacles without the need for multiple rigid elbows. This makes installation faster and can reduce the number of separate joints required in the connection system.

However, flexibility must not come at the expense of safety. A gas hose needs sufficient structural strength to resist kinking, crushing, stretching, and deformation. The connection must remain sealed when the hose is exposed to vibration or small movements during operation. The hose must also be protected from abrasion, dirt, moisture, and other environmental effects.

The ZLR-16 is developed as a balanced solution. Its corrugated stainless steel bellows provide flexibility and pressure-bearing capability, while the reinforcing layer improves resistance to external mechanical stress. The PE covering forms an additional protective barrier. At the connection points, adapters, female threaded connectors, and gaskets work together to support a stable and leak-resistant installation.

2. Product Construction of the ZLR-16

2.1 Stainless Steel Corrugated Bellows

The central structural element of the ZLR-16 is an SS304 stainless steel spiral corrugated bellows. Corrugations allow the metal tube to flex in a controlled way while maintaining a continuous flow passage. Instead of forcing a smooth metal tube to bend sharply, the corrugated profile distributes movement across a series of formed sections.

This construction provides several practical benefits. First, the hose can accommodate limited bending during installation. Second, the corrugated profile increases flexibility without removing the strength associated with metal construction. Third, stainless steel provides strong resistance to corrosion compared with many ordinary carbon steel alternatives. These characteristics are particularly valuable in kitchens, utility rooms, commercial facilities, and other areas where the hose may encounter moisture, cleaning products, condensation, or changing temperatures.

SS304 stainless steel is widely used in equipment and piping applications because it combines corrosion resistance, forming capability, and mechanical performance. In a corrugated hose, the material must be suitable for forming into a consistent bellows pattern while retaining sufficient strength after manufacturing. The quality of the raw material and the accuracy of the forming process directly influence the final hose’s flexibility, dimensional stability, and service performance.

2.2 Reinforcing Braid

The ZLR-16 is described as a braided gas hose, with a reinforcing braided layer around the corrugated metal tube. The braid helps support the bellows when the hose is exposed to pressure, vibration, pulling forces, or accidental contact. It can reduce the tendency of the corrugated tube to deform under external loading and improves the hose’s overall mechanical stability.

A reinforcing braid is especially useful where the hose must remain flexible but also needs greater resistance to expansion and deformation. The braid works as a protective structural layer rather than replacing the metal bellows. The bellows provide the primary flexible pressure passage, while the braid helps control the behavior of the assembly under operating stress.

This combination gives the ZLR-16 an advantage over simple flexible connections that depend mainly on a thin polymer wall. Metal bellows and reinforcement can offer a more stable structure in applications where the hose may experience repeated movement or incidental mechanical contact. The exact installation conditions remain important, but the design provides a stronger foundation for safe appliance connections.

2.3 Polyethylene Outer Covering

An additional PE outer covering protects the hose from the surrounding environment. Polyethylene is used in many protective applications because it offers resistance to moisture, abrasion, and general environmental wear. On the ZLR-16, the covering helps shield the underlying structure from dirt, surface contact, and routine handling during installation.

The outer coating also gives the hose a clean and uniform appearance. This is valuable in visible appliance installations, where an exposed metal braid may be less desirable than a finished polymer-covered surface. The covering can also provide a degree of insulation between the metal hose and nearby surfaces, although it should not be treated as a substitute for application-specific electrical or thermal insulation requirements.

By combining the stainless steel bellows, reinforcing braid, and PE covering, the ZLR-16 uses a layered construction. Each layer performs a different function: the bellows provide a flexible flow path, the braid supports mechanical strength, and the outer covering adds environmental protection and a finished surface.

2.4 Threaded Connector, Adapter, and Gasket

A flexible hose is only as reliable as its end connections. The ZLR-16 incorporates a female threaded connector identified in the product information as an M30 x 2 gauge tube female threaded connector. The assembly also includes an adapter and gasket. These parts allow the hose to be connected to compatible appliance and supply-side components while supporting a controlled seal.

The gasket is important because threaded metal surfaces do not always create a complete seal by themselves. A properly selected and correctly positioned gasket fills small surface irregularities and helps prevent leakage through the joint. It also reduces the risk of metal-to-metal damage during tightening and helps maintain sealing performance when the connection is exposed to vibration.

The supplied washers or gaskets contribute to installation stability as well as sealing. They help minimize friction between contact surfaces, reduce small gaps, and support a more even load distribution around the joint. When the connection is assembled using the correct compatible components and tightening method, the result is a more dependable interface than an improvised connection using unsuitable sealing materials.

Stainless steel corrugated hose braided gas hose ZLR-16

3. Main Technical Specifications

The available product information identifies the ZLR-16 as a DN15 stainless steel corrugated hose assembly. The listed dimensions are an outside diameter of 20 mm and an inside diameter of 18 mm. Standard listed lengths range from 30 cm to 60 cm. The information also includes DN32, DN40, and DN50 under remarks, which may refer to other available nominal sizes or product series and should be confirmed with the manufacturer before ordering.

Item	Specification	Available Information
Model	ZLR-16	Stainless steel corrugated braided gas hose
Nominal size	DN15	Designed for compatible gas appliance connections
Outside diameter	OD	20 mm
Inside diameter	ID	18 mm
Flexible tube material	Bellows	SS304 stainless steel spiral corrugated bellows
Reinforcement	Braided layer	Provides additional mechanical support and pressure resistance
Outer protection	Covering	Polyethylene, or PE
Connection	Threaded end	M30 x 2 gauge tube female threaded connector, subject to compatibility confirmation
Sealing component	Washer or gasket	Supports a secure and leak-resistant joint
Standard length range	Overall length	30 cm to 60 cm

Dimensions should always be checked against the actual appliance inlet, regulator, valve, and supply connection before purchase. Nominal diameter alone does not confirm thread compatibility. Thread form, pitch, gender, sealing face, gasket arrangement, and applicable local requirements must all be considered. If a conversion adapter is needed, it should be a suitable component designed for the relevant gas service rather than a general-purpose fitting.

4. Advantages of the ZLR-16 Over Basic Flexible Connections

4.1 Stronger Resistance to Corrosion

Corrosion is a common concern in gas appliance connection environments. Kitchens may contain steam, cleaning chemicals, food residue, and moisture. Utility areas may experience condensation or contact with humid air. A metal hose made from a suitable stainless steel grade can provide a stronger corrosion-resistant foundation than ordinary untreated steel.

The PE outer covering adds another level of protection by separating much of the metal surface from direct environmental contact. The covering does not eliminate the need for inspection, but it can help reduce the effects of abrasion, moisture, and routine surface contamination. This layered protection is a significant advantage over exposed low-grade metal tubing or unprotected fittings.

4.2 Better Flexibility Without Sacrificing Metal Strength

Rigid pipes provide structural stability but are difficult to route around obstacles. Soft polymer hoses are flexible but may be more vulnerable to crushing, cutting, heat, aging, or permanent deformation depending on their material and installation. The corrugated stainless steel structure of the ZLR-16 offers a middle path: controlled flexibility combined with the mechanical characteristics of metal.

The corrugations allow the hose to bend gradually rather than requiring a sharp permanent bend. This makes it easier to align an appliance without imposing unnecessary stress on the connection points. Flexibility can also simplify replacement and maintenance because the hose may be moved within its permitted operating range without dismantling an extensive rigid pipe arrangement.

4.3 Reinforced Resistance to Deformation

Pressure and mechanical movement can cause an inadequately supported hose to expand, flatten, kink, or become permanently distorted. The braided reinforcement helps control these effects. It supports the corrugated bellows and helps maintain the intended shape when the assembly is exposed to operating pressure or accidental external forces.

This feature distinguishes a reinforced metal hose from a basic thin-wall flexible tube. The braid does not make the hose indestructible, and it should not be used as a lifting handle or subjected to deliberate abuse. Nevertheless, it improves the hose’s ability to withstand normal installation and service stresses when the product is correctly sized and installed.

4.4 Improved Protection from Environmental Wear

Exposed hoses can rub against cabinets, walls, appliance panels, or other nearby surfaces. Repeated contact may gradually damage an unprotected hose. The PE covering helps reduce direct abrasion and gives the assembly a smoother external surface.

The outer layer also helps keep the hose cleaner and easier to inspect visually. A clean, consistent exterior can make it easier for installers and maintenance personnel to identify unusual marks, cuts, swelling, or other changes. Regular inspection remains necessary, but the covering contributes to a more practical and durable product design.

4.5 More Reliable Joint Sealing

Many connection failures occur at joints rather than along the hose body. The ZLR-16 addresses this area with a dedicated connector, adapter, and gasket arrangement. The washer or gasket helps fill microscopic irregularities at the sealing interface and reduces the likelihood of a leak caused by an incomplete metal-to-metal contact.

A purpose-designed sealing component is preferable to makeshift materials that may not be compatible with gas service. The joint still requires correct assembly, suitable torque, and compatibility with the connected equipment, but the integrated design helps create a more predictable installation process.

4.6 A Clean and Professional Installation Appearance

In residential and commercial interiors, the appearance of exposed utility connections matters. A PE-covered hose presents a more finished appearance than a bare corrugated tube or an improvised flexible connection. The protective coating can help the hose blend into the installation while protecting the internal structure from routine contact.

Appearance is not a replacement for performance, but a professional finish often reflects a more deliberate product design. The ZLR-16 is intended to combine practical installation value with a neat external appearance suitable for visible gas appliance connections.

5. Applications and Suitable Use Conditions

The principal application of the ZLR-16 is the connection of gas appliances. It may be suitable for compatible domestic, commercial, or light industrial appliance installations where the required size, connection type, pressure rating, temperature range, and regulatory approvals are satisfied.

Typical application environments may include kitchen appliances, cooking equipment, heating units, water-heating equipment, and other gas-powered devices. The hose is particularly useful where a short flexible connection is required between a fixed gas outlet and an appliance inlet.

The product can also be valuable in retrofit work. Existing buildings may have supply points that do not align perfectly with replacement appliances. A flexible corrugated hose can reduce the need to modify the fixed pipework, provided the hose is correctly selected and local installation regulations permit its use.

The ZLR-16 should not be treated as a universal replacement for every type of pipe or hose. Its suitability depends on the gas medium, working pressure, temperature, installation location, exposure conditions, connection dimensions, and applicable standards. It should not be installed where it may be permanently stretched, sharply kinked, crushed, exposed to unsuitable heat, buried without approval, or subjected to chemical contact beyond the material’s intended resistance.

Before installation, the user or qualified installer should verify the following points:

1. The hose size matches the required flow capacity and appliance connection.

2. The thread specification and sealing arrangement are compatible with both connected components.

3. The total hose length is sufficient without forcing the assembly to stretch or bend excessively.

4. The route avoids sharp edges, moving parts, excessive heat, and continuous abrasion.

5. The hose is not used to support the weight of the appliance or other equipment.

6. The installation complies with local gas safety rules and inspection requirements.

7. Leak testing is completed after assembly and before the appliance is placed into normal service.

6. Installation Principles for Long-Term Performance

6.1 Select the Correct Length

A hose that is too short may be stretched between the connection points. Stretching can place continuous tensile force on the threaded joints and may reduce the hose’s ability to accommodate movement. A hose that is excessively long may form unnecessary loops, contact hot surfaces, or create a trip and maintenance hazard.

The listed ZLR-16 length range is 30 cm to 60 cm. The selected length should allow a natural route with gentle bends and sufficient access for inspection. The hose should not be forced into a sharp angle immediately beside the connector. A smooth installation generally reduces stress on both the bellows and the end fittings.

6.2 Avoid Kinking and Over-Bending

Corrugated hoses are flexible, but flexibility has limits. A sharp bend can concentrate stress in a small area and may damage the corrugations or braid. The hose should be routed with a gradual curve and should not be twisted along its axis during tightening.

Installers should align the fittings before tightening so the hose is not used to correct a major mismatch between the appliance and supply pipe. If the connection points are substantially misaligned, the fixed piping or an appropriate adapter arrangement should be corrected first.

6.3 Protect the Hose from Heat and Abrasion

The PE covering offers protection from general environmental wear, but it is not permission to place the hose directly against a flame, exhaust outlet, heated appliance surface, or unshielded high-temperature component. The installation route should maintain an appropriate clearance from heat sources in accordance with the appliance instructions and local regulations.

The hose should also be kept away from sharp cabinet edges, rough masonry, rotating machinery, and locations where it may be repeatedly pinched. If contact with a surface cannot be avoided, the installation should be redesigned or protected using an approved method.

6.4 Tighten Connections Correctly

Over-tightening can damage threads, deform a gasket, or place excessive stress on the connector. Under-tightening can leave an incomplete seal. The correct tightening method depends on the connector design and the manufacturer’s instructions. Tools should be applied to the intended fitting surfaces rather than twisting the flexible hose body.

The gasket should be clean, correctly positioned, and suitable for the service. Reusing a damaged or permanently compressed gasket can compromise the seal. Thread sealants should not be applied automatically to a joint designed to seal with a washer or gasket, because unsuitable sealant or incorrect application may interfere with the sealing surface.

6.5 Perform Leak Testing

After installation, the entire connection should be checked using an approved leak-testing procedure. The system should be tested before the appliance is operated normally. Any sign of leakage requires the gas supply to be shut off and the connection to be inspected by a qualified person.

Open flames should never be used to search for leaks. The appropriate test method depends on the installation and local regulations, but it generally involves an approved leak-detection solution or a suitable instrument. Leak testing should also be repeated after maintenance, relocation, or any work that disturbs the connection.

7. Manufacturing Strengths Behind the Product

The performance of a corrugated metal hose depends heavily on manufacturing consistency. Small variations in material, forming depth, welding quality, braiding tension, coating coverage, or connector assembly can affect flexibility and sealing performance. A manufacturer with integrated development, processing, testing, and production capabilities is better positioned to control these variables.

Zhejiang Zhenlong Energy Equipment Technology Co., Ltd. is engaged in the research, development, manufacturing, and processing of energy equipment and related products. Its product scope includes metal hoses, natural gas pipelines, plumbing fittings, sanitary ware, valves, plastic products, and hardware. This broad product experience supports an understanding of complete connection systems rather than isolated components.

The company integrates industry and trade, allowing it to coordinate product development, manufacturing, customer communication, and supply services. For buyers, this can simplify discussions about specifications, connection options, production quantities, packaging, and after-sales support. For custom projects, an integrated structure can also improve communication between engineering and production personnel.

7.1 Large Production Site and Dedicated Lines

The company is located in Yuyao, Ningbo, Zhejiang, and occupies approximately 40 acres with a factory building of about 30,000 square meters. Its reported production resources include 30 welding and forming production lines. This level of production infrastructure is important for metal hose manufacturing because the product involves multiple operations, including material preparation, forming, welding, reinforcement, covering, fitting assembly, and inspection.

Dedicated welding and forming lines can help establish repeatable process parameters. Consistent forming is essential for corrugated bellows because the geometry of each convolution influences flexibility and stress distribution. Welding quality is similarly important because the bellows must retain structural continuity and resist leakage under the required operating conditions.

A larger production base can also support more organized workflow management. Different models, sizes, and connector configurations can be handled using defined production routes, reducing the risk of mixing components or losing traceability. Production capacity is especially valuable for OEM and ODM customers that require repeat orders with stable specifications.

7.2 Hydrogen Furnace and Material Processing Capability

The company reports two uninterrupted solid melting hydrogen furnace production lines. Controlled furnace operations can support the processing of metal materials with attention to cleanliness, consistency, and metallurgical quality. For stainless steel products, material condition and processing history can influence forming performance, weldability, corrosion resistance, and service life.

Although the precise process parameters for each product must be confirmed through technical documentation, the presence of dedicated furnace equipment indicates an investment in material processing rather than dependence solely on external component sourcing. This can give the manufacturer greater control over production planning and material quality for relevant product lines.

7.3 Material Analysis and Leak Testing

The factory is equipped with testing resources that include metal material analysis direct-reading spectrometers and flow tightness testers. A direct-reading spectrometer can be used to analyze the composition of metal materials and help verify whether the selected alloy corresponds to the required grade. For a product such as the ZLR-16, confirming the stainless steel material is an important part of maintaining consistent corrosion resistance and forming performance.

Flow tightness testing equipment supports the evaluation of whether a finished assembly remains sealed. Leak resistance is fundamental for gas connection products, and testing can help identify problems associated with bellows, welds, fittings, gaskets, or assembly operations. The exact test method, pressure, duration, acceptance criteria, and sampling plan should be defined by the applicable product standard and customer specification.

Material analysis and tightness testing complement one another. Material verification addresses what the product is made from, while leak testing evaluates a critical aspect of how the finished product performs. Together with dimensional inspection and process control, these capabilities form a stronger basis for consistent manufacturing than visual inspection alone.

7.4 Quality Management and Certifications

The company reports implementation of the ISO9000:2008 quality management system, a People’s Republic of China Special Equipment Manufacturing License for pressure pipelines, and EU CE certification testing reports. It is also identified as a member of the China Urban Gas Association.

These qualifications and affiliations indicate experience with quality management, pressure-related equipment, and the gas industry. Buyers should request current certificates, applicable scopes, product test reports, and conformity documents for the specific ZLR-16 configuration being purchased. Certification status can depend on the product model, size, market, and production batch, so documentation should always be matched to the actual order.

8. How the Design Supports Competitive Performance

The ZLR-16 competes in a market that includes rigid metal pipes, unreinforced polymer hoses, ordinary flexible tubes, and other corrugated hose assemblies. Its competitive value comes from combining several performance features in one product rather than relying on a single material or design characteristic.

Against rigid pipe, the ZLR-16 offers easier alignment and faster installation in short appliance connections. It can accommodate minor movement and reduce the need for multiple elbows or complicated field fabrication. This can help lower installation effort while preserving a metal pressure passage.

Against basic polymer tubing, the ZLR-16 offers a stainless steel corrugated structure with reinforcing braid. This can provide improved resistance to mechanical stress and deformation in environments where a softer hose might be more vulnerable. The PE covering retains some of the handling and appearance advantages associated with polymer surfaces while protecting the metal layers beneath.

Against bare corrugated metal hose, the PE-covered version offers enhanced surface protection and a cleaner appearance. The outer coating can reduce direct contact between the braid and surrounding surfaces, helping limit abrasion during normal service. It also provides a more finished appearance for visible installations.

Against poorly integrated hose assemblies, the ZLR-16 includes a defined connector, adapter, and gasket arrangement. A complete assembly can reduce uncertainty during installation because the user does not need to improvise all the sealing components. However, the supplied connection must still be checked against the appliance and local installation requirements.

Against products made without strong production controls, the company’s reported welding and forming lines, material analysis capability, flow tightness testing, and quality management practices provide a more substantial manufacturing foundation. These capabilities do not eliminate the need for product-specific verification, but they support repeatability and professional supply for OEM, ODM, wholesale, and project customers.

9. Customization and OEM/ODM Potential

Gas appliance manufacturers, distributors, installers, and equipment integrators may require different hose lengths, end fittings, covering colors, packaging formats, labels, or technical documents. A manufacturer experienced in metal hoses and fittings can often evaluate these requirements as part of a coordinated product development process.

Potential customization areas may include overall length, nominal size, connector configuration, adapter arrangement, gasket selection, protective covering, marking, packaging, and order quantity. Any change to the standard model should be reviewed for its effect on pressure performance, bending behavior, sealing reliability, flow capacity, and regulatory compliance.

OEM and ODM projects benefit from clear technical communication. A buyer should provide drawings or samples of the mating connections, required working conditions, target market, applicable standards, annual volume, packaging requirements, and inspection expectations. The manufacturer can then assess tooling, production routing, testing, and documentation requirements.

The company’s product range across metal hoses, natural gas pipelines, plumbing fittings, valves, plastic products, and hardware may also support bundled sourcing. When several components are required for a connection project, a supplier with related production capabilities can help coordinate specifications and reduce communication between multiple vendors.

10. Maintenance, Inspection, and Replacement

Even a well-manufactured hose requires periodic inspection. The inspection interval should be based on the appliance manufacturer’s instructions, local regulations, operating environment, and frequency of use. A visual check should look for cuts, cracking, unusual discoloration, severe abrasion, exposed braid, crushed sections, sharp kinks, corrosion, loose fittings, or signs of movement at the joints.

The PE covering should be examined for damage that exposes the braid or bellows. Surface damage does not automatically indicate an internal leak, but it can reduce environmental protection and should not be ignored. Any hose that has been exposed to excessive heat, chemical attack, impact, or severe deformation should be evaluated by a qualified professional.

Connections should be checked for movement, corrosion, gasket deterioration, and signs of leakage. A hose should not be repaired with tape, adhesives, clamps, or unapproved sleeves. If the hose or connector is damaged, replacement with a suitable new assembly is generally the safer approach.

The hose should also be replaced when it reaches the service life specified by the applicable standard, appliance manufacturer, or installation authority. If no clear service-life information is available, the user should seek guidance from a qualified gas technician or the product supplier.

11. Purchasing Considerations for Professional Buyers

When purchasing the ZLR-16 for distribution or project use, buyers should confirm the exact model, size, length, connector type, gasket specification, material grade, pressure requirements, and target market. The listed DN15, 20 mm outside diameter, 18 mm inside diameter, and 30 cm to 60 cm length range provide a useful starting point, but they should be verified against the final technical drawing.

Professional buyers should also request inspection and compliance documentation relevant to the intended market. Useful documents may include material certificates, dimensional inspection records, tightness test records, product specifications, quality management certificates, conformity declarations, and packaging details.

For repeated orders, it is beneficial to establish an approved sample or reference drawing. This can help ensure that subsequent production maintains the same connector geometry, hose length, covering, marking, and packaging. Clear acceptance criteria reduce misunderstandings between the buyer and manufacturer.

Packaging should protect the hose from crushing, bending beyond its permitted range, moisture, and contamination during storage and transportation. The hose should be stored away from sharp objects, direct high heat, aggressive chemicals, and conditions that may damage the PE covering or sealing components.

12. Frequently Asked Questions

Q1: What is the ZLR-16 mainly used for?

The ZLR-16 is mainly used as a flexible connection hose for compatible gas appliances. It connects an appliance to a gas supply point while accommodating limited alignment differences and movement.

Q2: What material is used for the corrugated tube?

The product information identifies the flexible bellows as SS304 stainless steel. The tube is formed into a spiral corrugated structure to provide controlled flexibility and metal-based mechanical strength.

Q3: Does the hose include reinforcement?

Yes. The product is described as a braided gas hose. The braided layer reinforces the corrugated bellows, helping improve resistance to pressure, vibration, and deformation.

Q4: What is the purpose of the PE outer covering?

The PE covering helps protect the hose from abrasion, moisture, environmental wear, and routine handling. It also provides a clean external appearance and a degree of surface insulation. It should not be considered a substitute for required high-temperature protection.

Q5: What are the listed dimensions?

The listed configuration is DN15, with an outside diameter of 20 mm and an inside diameter of 18 mm. Standard listed lengths range from 30 cm to 60 cm. Buyers should confirm the exact dimensions before ordering.

Q6: What type of connector does the product use?

The product information lists an M30 x 2 gauge tube female threaded connector, together with an adapter and gasket. Compatibility with the appliance and supply-side fitting must be verified before installation.

Q7: Can the hose be bent sharply to fit a cabinet?

No. The hose should be routed with gradual bends and should not be kinked, twisted, crushed, or forced into a sharp angle. If the connection points are badly misaligned, the fixed pipework or adapter arrangement should be corrected.

Q8: Can the hose be used for every gas installation?

No. Suitability depends on the gas medium, working pressure, temperature, connection type, installation location, local regulations, and applicable certifications. A qualified installer should confirm suitability for the specific application.

Q9: How should the connection be checked after installation?

The completed connection should be inspected and leak-tested using an approved method before normal operation. Open flames must never be used for leak detection. Any suspected leak requires immediate attention from a qualified person.

Q10: What manufacturing capabilities support this product?

The manufacturer reports welding and forming production lines, uninterrupted solid melting hydrogen furnace lines, metal material analysis equipment, flow tightness testers, and a quality management system. These resources support material verification, forming consistency, assembly control, and leak testing.

Q11: Is OEM or ODM production available?

The company is engaged in the research, development, manufacturing, and processing of energy equipment and related products. Buyers can discuss customized sizes, lengths, connectors, coverings, packaging, labels, and technical requirements subject to engineering review and order conditions.

Q12: What should be supplied when requesting a quotation?

A quotation request should include the required model, hose length, nominal size, inside and outside diameter, connector drawings, gasket requirements, working medium, pressure and temperature conditions, quantity, destination market, packaging needs, and any required certification or inspection documents.

13. Conclusion

The Stainless Steel Corrugated Braided Gas Hose ZLR-16 is designed to provide a flexible and reinforced connection for compatible gas appliances. Its SS304 stainless steel spiral corrugated bellows provide a durable metal flow path, while the braided layer improves mechanical support and resistance to deformation. The PE outer covering adds protection against abrasion and environmental wear, and the connector, adapter, and gasket arrangement supports a secure joint when correctly installed.

The product’s advantages over simpler connection options include improved corrosion resistance, controlled flexibility, better protection from mechanical stress, a cleaner external finish, and a more integrated sealing design. These features make it a practical choice for short appliance connections where installation flexibility and structural reliability are both important.

The manufacturer’s reported factory resources further strengthen the product proposition. Welding and forming lines, material processing equipment, metal analysis instruments, flow tightness testers, quality management practices, and gas-industry experience provide a foundation for stable production and professional customer support. For distributors, appliance manufacturers, contractors, and project buyers, the combination of product design and manufacturing capability creates opportunities for both standard supply and customized OEM/ODM cooperation.

Correct selection and installation remain essential. Buyers should verify dimensions, thread compatibility, pressure and temperature requirements, regulatory conditions, and documentation before use. When matched to the correct application and installed by qualified personnel, the ZLR-16 can provide a durable, flexible, and professional connection solution for gas appliance systems.

References

1. Product specification information for Stainless Steel Corrugated Hose Braided Gas Hose ZLR-16, including dimensions, construction, connector, gasket, and standard length range.

2. Manufacturer-provided company profile and production capability information for Zhejiang Zhenlong Energy Equipment Technology Co., Ltd.

3. ISO 9000 family of standards, Quality management systems—Fundamentals and vocabulary.

4. General technical guidance for stainless steel corrugated tubing, flexible metal hose construction, and pressure-bearing connection assemblies.

5. General installation and inspection principles for gas appliance connectors, threaded fittings, sealing washers, and leak testing.

6. General material reference information for SS304 stainless steel and polyethylene protective coverings used in industrial and appliance connection products.

Product: Stainless steel corrugated hose braided gas hose ZLR-16