What Is Gas Valve?
The gas valve is a new type of safety supporting device for gas pipeline projects. It is used to cut off, connect and regulate the gas in the pipeline, and has good control characteristics and closing and sealing performance. It is suitable for various gas medium pipelines such as city gas, liquefied petroleum gas, natural gas, oxygen, etc.
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![Universal Gas Valve]()
Universal Gas ValveItem number: 607-4view more
1.Nominal pressure:1.6Mpa
2.Working medium: Gas for civilian use, natural gas, LPG
3.Working temperature: -20°C≤ t ≤ 100°C
4.Thread conform to ISO 228 -
![Forged Angle Gas Valve For Boiler]()
Forged Angle Gas Valve For BoilerProduct name: Forged Angle Gas Valve for Boilerview more
Material: Brass ( Hpb59-1 / CW617)
Pressure: 1.6Mpa
Support：OEM / ODM
Sample: Support
Packing: Export OPP Bag + Carton -
![Gas Control Valve]()
Gas Control ValveWorking medium: gasview more
Docking process:BSP/NPT female thread connection
Working temperature: 0°C≤ t ≤ 80°C
The pipeline complies with ISO45001, ISO14001, and ISO9001 standards -
![Female Male Gas Valve]()
Female Male Gas ValveWorking medium: gasview more
Docking process:BSP/NPT female thread connection
Working temperature: 0°C≤ t ≤ 80°C
The pipeline complies with ISO45001, ISO14001, and ISO9001 standards -
![Brass Ball Valve For Gas]()
Brass Ball Valve For GasWorking medium: gasview more
Docking process:BSP/NPT female thread connection
Working temperature: 0°C≤ t ≤ 80°C
The pipeline complies with ISO45001, ISO14001, and ISO9001 standards -
![Brass Gas Valve]()
Brass Gas ValveWorking medium: gasview more
Docking process:BSP/NPT female thread connection
Working temperature: 0°C≤ t ≤ 80°C
The pipeline complies with ISO45001, ISO14001, and ISO9001 standards -
![Combination Gas Valve]()
Combination Gas ValveGas automatic shut-off valve with built-in valve and pressure measurement hole Male/Femaleview more
Item number: DY636, DY636a
Product Parameter:
1.Standard:CJ/T 447-2014
2.Working Temperature:-10°C≤ t ≤ 40°C
3.Max... -
![Gas Safety Shut Off Valve]()
Gas Safety Shut Off ValveGas automatic shut-off valve with control valve Female/Hoseview more
Item Number : DY630
1.Standard: CJ/T 447-2014
2.Working Temperature: -10°C≤ t ≤ 40°C
3.Max Auto Self-Closing Pressure:8KPa±2KPa
4.Min Auto... -
![Auto Natural Gas Shut Off Valve]()
Auto Natural Gas Shut Off ValveGas automatic shut-off valve with control valve Male/Maleview more
Item Number :DY633
1.Standard: CJ/T 447-2014
2.Working Temperature: -10°C≤ t ≤ 40°C
3.Max Auto Self-Closing Pressure:8KPa±2KPa
4.Min Auto... -
![Auto Gas Cut Off Valve]()
Auto Gas Cut Off ValveGas automatic shut-off valve with built-in valve and pressure measurement hole Male/Maleview more
Item number: DY633a
1.Standard:CJ/T 447-2014
2.Working Temperature:-10°C≤ t ≤ 40°C
3.Max Auto Self-Closing... -
![Natural Gas Ball Valve]()
Natural Gas Ball Valve601 natural gas ball valveview more
Item Number : DY601
1.Nominal pressure:1.6Mpa
2.Working medium: Gas for civilian use, natural gas, LPG
3.Working temperature:-20°C≤ t ≤ 100°C
4.Thread conform to ISO... -
![Auto Gas Shut Off Valve]()
Auto Gas Shut Off ValveLarge-flow gas automatic shut-off valve with control valve Female/Maleview more
Item Number : DY635
1.Standard: CJ/T 447-2014
2.Working Temperature: -10°C≤ t ≤ 40°C
3.Max Auto Self-Closing Pressure:8KPa±2KPa ...
Your Professional Gas Valve Supplier！
Zhejiang Dunyun Industrial Co., Ltd. is located at No. 1 Dunyun Road, Modern Environmental Protection Equipment Industrial Park, Zhuji City, the hometown of Xi Shi, in the Yangtze River Delta Economic Circle.We mainly produce various copper valves such as "Dunyun" brand water supply systems, central air conditioning systems, heating systems, gas systems, special ball valves, gate valves, globe valves, temperature control valves, gas valves, exhaust valves, filters, underfloor heating water collectors, as well as new aluminum-plastic composite pipes, and other plumbing accessories.
Rich Experience
As we are Actuated Valve Specialists with over 20+ years of experience in valve automation, we have the tools, products, and experience to make sure that your automated valve is durable and has a high life cycle.
Quality Control
All inspections are handled by qualified, experienced personnel aligned with the specifications of each project to fully satisfy our customers and surpass their expectations with a high degree of environmental consciousness to the total satisfaction of our customers.
Our Certifications
We have passed ISO9001 quality management system certification，as well as various product hygiene licenses.
Gas Valve - Overview
A gas valve is a device that controls the flow of gas, acting as a gate to either allow or stop the passage of fuel. These valves are essential safety and operational components in gas appliances, such as furnaces, water heaters, boilers, and stoves, and can be manually or automatically operated to regulate the gas supply for heating and other functions.
Product Specification
We offers the following product specifications：
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Item number: |
607-4 |
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1.Nominal pressure: |
1.6Mpa |
|
2.Working medium: |
Gas for civilian use, natural gas, LPG |
|
3.Working temperature: 100°C |
-20°C≤ t ≤ |
|
4.Thread conform to ISO 228 |
Regulating Gas Flow —- The primary function of the gas valve is to regulate the flow of natural gas or propane into the furnace burner. By controlling the amount of fuel that reaches the burner, the gas valve determines the intensity of the flame and, consequently, the amount of heat produced by the furnace.
Temperature Control —- The gas valve plays a crucial role in maintaining the desired temperature inside the home. When the thermostat detects that the temperature has fallen below the set point, it signals the gas valve to open, allowing gas to flow to the burner for heating.
Safety —- Gas valves are equipped with safety features to ensure the safe operation of the heating system. These features may include pressure regulators, flame sensors, and automatic shut-off mechanisms. Pressure regulators maintain a consistent gas pressure, while flame sensors detect the presence of a flame and ensure that gas is only released when ignition is successful. Automatic shut-off mechanisms can cut off gas flow in the event of a malfunction or dangerous condition, such as a flame failure or excessive gas pressure.
Energy Efficiency —- By precisely controlling the amount of gas supplied to the burner, the gas valve helps optimize the furnace's energy efficiency. This ensures that the furnace consumes the appropriate amount of fuel to meet the heating demands of the home without wasting energy.
Types of Gas Valve
1) Manual Gas Valves
Manual gas valves are the simplest type of valve. As the name suggests, they are operated by hand, allowing the user to open or close the gas supply manually. These valves are typically used in residential heating systems and as shut-off valves for maintenance purposes. While they don't offer automation or safety features, they are reliable for controlling the gas flow when manual operation is appropriate.
2) Automatic Gas Valves
Automatic gas valves are more advanced than manual valves and are a standard feature in most modern heating systems. They automatically regulate the gas flow based on the system's requirements, using signals from thermostats or control systems. These valves are often equipped with safety features, such as the ability to shut off gas flow in the event of a malfunction.
3) Combination Gas Valves
Combination gas valves are multi-functional units that combine several components into one. They often integrate a manual shut-off, pressure regulator, automatic gas valve, and pilot safety valve. The advantage of combination valves is that they simplify installation and maintenance, offering control over multiple aspects of gas flow in a single unit.
Materials of Construction
Aluminum offers good electrical and thermal conductivity, high reflectivity, and resistance to oxidation.
Copper is ductile and malleable and one of the best conductors of heat and electricity. Both brass and bronze are copper alloys.
Brass provides good bearing properties and low magnetic permeability.
Sintered bronze can be impregnated with materials such as oil and graphite.
Steel is a commercial iron that differs from cast iron both in terms of its malleability and lower carbon content.
Ductile iron provides the machinability and corrosion resistance of cast iron while providing additional strength and toughness.
Stainless steel is chemical and corrosion resistant and can have relatively high pressure ratings.
Application of Gas Valve
Residential and Commercial Applications
• Heating Systems: Gas valves control the flow of gas to furnaces, boilers, and other heating equipment, often incorporating safety mechanisms to shut off the supply in case of malfunctions.
• Appliances: They are used in gas stoves, water heaters, ovens, and gas fireplaces to regulate the gas supply for ignition and operation.
• Safety Features: In residential systems, solenoid valves ensure safety by automatically shutting off gas during power loss or other system malfunctions.
Industrial Applications
• Manufacturing and Processing: Gas valves control the flow of gases in manufacturing processes, chemical production, and energy generation.
• Oil and Gas Industry: They are essential in wellhead systems, refineries, petrochemical plants, and pipelines to control the extraction, processing, and distribution of natural gas and hydrocarbons.
• Industrial Gases: Ball valves are used in industrial gas systems for applications involving gases like oxygen, nitrogen, and argon, supporting manufacturing and laboratory work.
Certifications
Package & Delivery
Package: Standard export package or Custom
Delivery: By air express, by sea
FAQ
We're professional gas valve manufacturers and suppliers in China, specialized in providing high quality custom service. We warmly welcome you to wholesale cheap gas valve from our factory.
Brass Gas Valve with Control Valve, Combination Gas Valve, Thread Union Gas Filter
