Haoyin (Ningbo) Bellows Technology Co., Ltd.
  • TEL:

    +86-574-62166708
  • Fax:

    +86-18616887802
  • Address:

    No. 25 Gubei Road, Simen Town, Yuyao, Ningbo City, Zhejiang Province, China

Feel Free To Contact Us :

[email protected]

Our Products

Haoyin corrugated pipe, connecting the world's pipelines with professional expertise for the future. Green factories produce high-quality products, specializing in precision and showcasing new strength.

About

Haoyin (Ningbo) Bellows Technology Co., Ltd. is a professional enterprise specializing in the R&D, design, manufacturing, and sales of stainless steel bellows.

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Through our many years of professional experience, we provide you with comprehensive and considerate services

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Stainless Steel Whistle Free Gas Connector Company

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About us

Haoyin (Ningbo) Bellows Technology Co., Ltd.

ESTABLISHED FOR 20 YEARS.

Haoyin (Ningbo) Bellows Technology Co., Ltd. is a professional enterprise specializing in the R&D, design, manufacturing, and sales of stainless steel bellows. It is committed to providing safe, efficient, and durable flexible connection solutions for gas, plumbing, heating, and other fields. We are a professional OEM Stainless Steel Whistle Free Gas Connector Suppliers and ODM Stainless Steel Whistle Free Gas Connector Company,Covering an area of 35 mu, the company has 18,000 square meters of standardized workshops and has obtained multiple management system certifications, such as ISO9001, ISO14001, and ISO45001.
As a "National High-tech Enterprise" and "Green Factory", Haoyin has always adhered to the production philosophy of "Striving for Excellence, Forging Quality". It has built a full-process quality management system from raw material screening, structural design, manufacturing, performance testing to after-sales support, continuously creating higher value for customers.
  • 18,00001

    Factory Area

  • 50 + 02

    Advanced Equipment

  • 120+03

    employees

  • 30+04

    Monthly Production (10000 meters)

NEWS

Latest articles

  • Jan 08,2026

    Are Stainless Steel Flexible Gas Connectors Really Safe?

    With the widespread use of gas in modern life, ensuring the safety of gas pipelines has become paramount. In recent years, stainless steel flexible gas connectors have been widely used in household and industrial gas systems due to their co...

  • Jan 01,2026

    Why Choose Stainless Steel Bellows for Gas Pipelines?

    With the widespread use of natural gas in urban areas, the safety of household, commercial, and industrial gas pipelines has become a major concern. In recent years, stainless steel bellows have gradually become the preferred material for g...

  • Dec 23,2025

    Stainless Steel Bellows vs. Ordinary Pipes: Why are they superior?

    In modern industry, piping systems are used to transport liquids, gases, steam, and other media, and are widely used in chemical, petroleum, construction, power generation, and other industries. The choice of piping is crucial for the safet...

Stainless Steel Whistle Free Gas Connector Industry knowledge

1. What is a stainless steel whistle-free gas connector?
A stainless steel gas connector is a flexible gas delivery hose primarily made of stainless steel corrugated tubing, used to connect gas appliances (such as gas stoves, water heaters, ovens, etc.). It achieves excellent flexibility and sealing through its metal corrugated structure, while also possessing superior corrosion resistance, pressure resistance, and tensile strength, making it a widely used, high-safety connection component in modern residential and commercial gas systems.

These connectors typically consist of the following parts:
Stainless steel corrugated tube body: responsible for pressure bearing and gas delivery
Outer protective layer (such as PVC, nylon): enhances wear resistance, corrosion resistance, and impact resistance
Metal connectors at both ends (brass or stainless steel): for quick and reliable connection to gas appliances or pipelines
Sealing gasket or O-ring: ensures no leakage at the connection point
Compared to traditional rubber hoses, stainless steel gas connectors are safer, have a longer lifespan, and comply with more gas safety standards, making them the mainstream choice for modern gas connections.

2. Advantages and Features of Stainless Steel Whistle-Free Gas Connectors
Stainless steel gas connectors play a crucial role in gas systems, and their advantages are mainly reflected in safety, durability, and applicability.

(1) High safety, less prone to leakage
The stainless steel corrugated structure gives the hose strong pressure resistance, maintaining stable sealing even under high pressure or bending conditions. The metal material does not age easily and will not crack or harden over time like rubber hoses, significantly reducing the risk of gas leaks.

(2) Strong corrosion resistance, suitable for various environments
Stainless steel materials (such as 304 or 316) have excellent corrosion resistance, maintaining long-term stability and resisting rust even in humid kitchens, oily environments, and environments with large temperature fluctuations.

(3) Good flexibility, easy to install
The metal corrugated hose has good bending performance and can be freely adjusted in direction according to the installation space, making it suitable for narrow or complex pipeline environments. Installation does not require excessive force, resulting in high construction efficiency.

(4) High Temperature Resistance, Non-Flammable
Stainless steel itself has excellent high-temperature resistance and will not melt or burn quickly when exposed to a fire source, reducing the risk of secondary accidents in a fire.

(5) Long Service Life, Low Maintenance Costs
Under normal use conditions, the service life of stainless steel gas connectors can reach more than 10 years, far exceeding that of ordinary rubber hoses (1-2 years). This means that users do not need to replace them frequently, reducing long-term maintenance costs.

3. Common Problems with Stainless Steel Gas Connectors
Although stainless steel gas connectors are reliable, some common situations still need attention during use to avoid risks caused by improper operation.
(1) Can it be overstretched?
No.
Although the corrugated structure allows for a certain degree of bending and stretching, forcibly stretching may damage the corrugated structure, leading to fatigue damage. Appropriate slack should be left during installation.

(2) Can it be connected to different types of gas?
Yes.
Most stainless steel hoses are compatible with both natural gas (NG) and liquefied petroleum gas (LPG). However, it is still necessary to confirm the applicable gas type and working pressure indicated on the product.

(3) Can old hoses be reused?
Generally not recommended.
If the hose body remains intact, it can be reused, but the sealing ring at the connector may deform due to repeated installation, increasing the risk of leakage. Therefore, it is recommended to use a new hose when replacing equipment.

(4) Is it suitable for use embedded in walls?
Not suitable.
Gas hoses are not recommended for concealed installation because they cannot be inspected or maintained, and damage due to damp environments or external pressure can pose a safety hazard. Dedicated metal gas pipes should be used for concealed installations.

(5) When does it need to be replaced?
The following situations require immediate replacement:
Significant flattening of the corrugations
Damage to the outer PVC or protective layer
Severe rust at the connector
A noticeable gas leak smell
Bubbles appear when tested with soapy water
Safety is always paramount; users should not ignore any abnormalities.

4. Stainless Steel Gas Connector FAQ (Frequently Asked Questions)
The following is a compilation of common questions that users are most concerned about, which can be used for the website FAQ module.

Q1: Will stainless steel gas connectors rust?
A1: Generally, no. Made of high-grade 304 or 316 stainless steel, it offers strong corrosion resistance, but attention is still needed if exposed to strong acid or alkaline environments for extended periods.

Q2: Is Teflon tape (sealant tape) required during installation?
A2: It depends on the type of connector.
Some hoses come with gaskets and do not require Teflon tape, while threaded connectors require a sufficient amount of tape to ensure a proper seal.

Q3: What is the lifespan of a stainless steel gas connector?
A3:  Typically 10-15 years, but it is recommended to inspect it annually and replace it immediately if any damage is found.

Q4: Can it be used outdoors?
A4: Yes, but ensure you choose a model with UV protection on the outer layer and avoid prolonged exposure to extreme environments.

Q5: What are the reasons for leakage in stainless steel connectors?
A5: The most common reasons include:
Connector not properly installed
Aging of the sealing gasket
Pipe body damaged by impact or crushing
Exceeding the service life
Incompatible connector types