Your Leading Shut Off Valve Supplier
Taizhou Chengsheng Machinery Co., Ltd. is a manufacturer specialized in the development and production of fluid equipment components for general industrial applications. Our main products include hose swivel, shut off valve, check valve, oil sight glass, and pipe fitting, which are widely used in oil and gas storage and transportation, industrial pipelines, water pump systems, and hazardous chemical transportation. We support both standardized bulk supply and customized solutions to meet different system requirements.
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Standard Breakaway ValveAs the fundamental safety standard of the petroleum dispensing industry, our Standard breakaway valve provides a highly cost-effective and ultra-reliable defense against drive-away fuel spills.
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Hexagon Breakaway ValveThe Hexagon breakaway valve is a rugged, highly dependable safety device engineered for standard, non-vapor recovery fuel hoses. We design the body of this Hexagon breakaway valve with a precise
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Vapor Recovery Breakaway ValveModern environmental regulations demand strict control over fuel emissions, making the Vapor recovery breakaway valve an indispensable asset for Stage II vapor recovery dispensing systems. We have
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Double Poppet Emergency Shear ValveWhen handling high-pressure or highly sensitive fuel systems, the Double poppet emergency shear valve offers double the safety and zero-compromise protection. While standard valves only shut off the
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Emergency Shear ValveAn Emergency shear valve is a critical safety component installed beneath fuel dispensers to protect retail gas stations from catastrophic fire hazards and environmental pollution. We have designed
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Gas Emergency Shut Off ValveInternal thread specification: NPT1.5”. External thread specification: NPT1.5”. Material: Cast Iron. Closing action: 1S
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Emergency Dual Shut Off ValveMaterial: Cast iron. Closing response time: 1 second. Cutting torque: 950±50KG. Seal material: Nitrile rubber / Fluororubber
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Vapor Recovery Pull Off ValveInternal thread specification: M34x1.5. Thread type: G/BSPT/NPT. Material: Aluminum Alloy. Seal material: Nitrile Rubber/Fluororubber
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Hexagonal Ordinary Pull-off ValveThread specification: 1”, 3/4”. Thread type: NPT/G/BSPT. Material: Aluminum Alloy. Seal material: Nitrile Rubber/Fluororubber.
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Ordinary Rupture ValveThread specification: 1”, 3/4”. Thread type: NPT/G/BSPT. Material: Aluminum Alloy. Seal material: Nitrile Rubber/Fluororubber
Types of Shut Off Valve
Vapor Recovery Pull Off Valve
Installed on the oil delivery hose pipeline, the Vapor Recovery Pull Off Valve is a protective device, which is composed of two closely connected one-way valves fixed together. When excessive external force is applied to stretch both ends, the valve will automatically disengage.
Gas Emergency Shut Off Valve
Installed on the fuel supply pipeline under the fuel dispenser, the gas emergency shut off valve can minimize the risk of danger caused by collision or fire of the fuel dispenser. If the fuel dispenser moves due to pulling or collision, the valve body on the emergency shut-off valve will break at the shear groove, and the valve will automatically cut off the fuel path.
Emergency Dual Shut Off Valve
The Emergency Dual Shut Off Valve is installed on the fuel supply pipeline under the fuel dispenser. It minimizes the risk of hazards caused by collision or fire involving the fuel dispenser. If the fuel dispenser moves due to pulling or collision, the upper valve body of the Emergency Dual Shut Off Valve will break at the shear groove, and the valve will automatically cut off the fuel path.

Specifications of Shut Off Valve
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Product Name |
Shut Off Valve |
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Valve Type |
Globe / Gate / Ball |
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Material |
Carbon Steel / Stainless Steel |
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Body End Connection |
Flanged / Threaded / Butt Weld / Socket Weld |
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Nominal Size Range |
1/4″ – 12″ |
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Pressure Rating |
ANSI Class 150 – 600 / PN10 – PN40 |
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Temperature Range |
-40°C to +400°C |
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Seal Material |
PTFE / Graphite / Elastomer |
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Operation Method |
Manual / Actuated |
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Flow Characteristic |
Fully Open / Fully Closed |
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Design Standard |
API / ANSI / ASME / ISO |
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Face to Face |
Per ANSI B16.10 or DIN EN specifications |
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Test Standard |
API 598 / EN 12266 |
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Application |
Fluid isolation and system shutoff |
Customization Options
Material: Customizable
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Size: Customizable
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Connection Method: Customizable
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MOQ: Customizable
Benefits of Using Shut Off Valve
Control Over Water Flow: Shut-off valves provide precise control over water flow, allowing you to manage pressure levels and stop the flow of water when necessary.
Emergency Response: In case of plumbing emergencies like leaks or burst pipes, shut-off valves enable quick isolation of affected areas, preventing further damage.
Simplified Repairs and Maintenance: Shut-off valves isolate sections of the plumbing system, making it easier and safer to perform repairs or maintenance without disrupting the entire system.
Water Conservation: By stopping water flow promptly, shut-off valves help prevent water wastage, particularly in the event of a leak or malfunction.
Safety: Shut-off valves help reduce risks associated with plumbing failures, such as water damage or electrical hazards, by enabling immediate isolation of water flow.Shut-off valves offer several critical advantages that enhance the safety, efficiency, and functionality of plumbing systems. Here are the key benefits:
Control Over Water Flow: Shut-off valves provide precise control over water flow, allowing you to manage pressure levels and stop the flow of water when necessary.
Emergency Response: In case of plumbing emergencies like leaks or burst pipes, shut-off valves enable quick isolation of affected areas, preventing further damage.
Simplified Repairs and Maintenance: Shut-off valves isolate sections of the plumbing system, making it easier and safer to perform repairs or maintenance without disrupting the entire system.
Safety: Shut-off valves help reduce risks associated with plumbing failures, such as water damage or electrical hazards, by enabling immediate isolation of water flow.
Components of Shut Off Valves
Valve Body: The main structure that houses the internal components and connects to the pipeline.
Bonnet: The cover for the opening in the valve body, through which the stem passes.
Stem: The component that transmits motion from the actuator or handle to the valve disk or plug.
Disk or Plug: The movable component that opens or closes the valve flow path.
Seat: The stationary component that provides a sealing surface for the disk.
Actuator/Handle: The mechanism used to operate the valve, which can be manual or automated.
Common Installation Locations for Shut off Valve
Main Water Supply
The most critical shut-off valve in any residential setup resides where your municipal water main or well supply line first enters the property. This is your emergency kill switch for stopping all water flow into the house with one convenient twist – invaluable when major leaks or pipe ruptures put you in crisis mode.
Water Heater
Those big insulated tanks require shut-off valves installed on both the incoming cold supply line and outgoing hot water distribution line. This allows you to easily service the water heater itself by cutting off flow in both directions while preventing festering leaks from flooding your home.
Fixtures
To make plumbing repairs and fixture replacements easier, most bathrooms and kitchen areas feature localized shut-offs controlling flow to sinks, toilets, and appliances individually. Closing these eliminates any guesswork when making updates.
Appliances
Speaking of appliances – dishwashers, washing machines, ice makers, you name it – they all should have dedicated shut-off valves too. Contained leaks inside these units can be stopped immediately to prevent standing water buildup and damage.
Exterior
For homes with outdoor plumbing configurations like hose bibs, irrigation systems, or even exterior kitchens, having shut-offs installed keeps you in control of any water exiting the main residence to help protect against freezing.
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FAQ
As one of the most professional shut off valve manufacturers in China, we're featured by quality products and low price. Please rest assured to wholesale bulk customized shut off valve made in China here from our factory. If you have any enquiry about pricelist and free sample, please feel free to email us.
Ordinary Rupture Valve, shut off valve, Hexagonal Ordinary Pull off Valve