valve seat

2 month ago

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Jianhu Fulida Machinery Manufacturing Co. , Ltd.

 3 month year

Product details

The 4 1/16-inch flat valve seat is a key component of a larger flat valve commonly used in industrial fields such as oil and natural gas.

Specifications and dimensions
Size meaning: "4 1/16 inches" represents the nominal size of the flat valve seat. Its diameter size is about 103.19 mm when converted into millimeters, indicating that the flat valve adapted to the valve seat has a larger flow channel and can meet the control requirements of large flow fluids.

Product Parameters:

Product Name:	Valve seat
Specification model:	4 1/16
Implementation standard:	API 6A
Rated working pressure:	5000psi
Product specification level:	PSL1~PSL3G
Product performance level:	PR1~PR2
Temperature level:	PU, LU
Material level:	AA~FF
Product color:	Silver

Detail Pictures:

Structural design
Sealing surface form: There are two common types of metal-to-metal seals and soft seals. Metal-to-metal seals usually use materials such as carbide or stainless steel. Through precision machining, the valve seat and the sealing surface of the gate are tightly fitted. They have the characteristics of high temperature resistance, wear resistance and corrosion resistance, and are suitable for harsh working conditions such as high pressure, high temperature, and high sulfur content; soft seals generally use elastic materials such as rubber and polytetrafluoroethylene, have good sealing performance, can effectively prevent leakage, and have small opening and closing torques. They are often used in general working conditions of low pressure and normal temperature.

Connection methods with the valve body: mainly threaded connection, flange connection and welding connection. The threaded connection has a simple structure, is easy to install, and is easy to repair and replace; the flange connection has good sealing and connection strength, and is suitable for high-pressure pipeline systems; the welding connection can make the valve seat and the valve body form a whole, and the connection is firm and reliable, but it needs cutting and welding during maintenance, which is more complicated.

Function
Ensure sealing: Like the 2 9/16-inch flat valve seat, the primary function of the 4 1/16-inch valve seat is also to realize the sealing function of the flat valve to prevent the fluid from leaking when the valve is closed. Since it is usually used in pipeline systems with large flow and high pressure, once a leak occurs, it may cause serious safety accidents and economic losses, so the sealing performance of the valve seat is crucial.

Withstand pressure and impact force: During the valve closing process, the valve seat needs to withstand the huge pressure and impact force from the fluid to ensure that the valve body and gate are not damaged due to excessive force. At the same time, when the valve is opened, the valve seat must be able to quickly return to normal state to ensure the normal opening and closing operation of the valve.

As a petroleum machinery manufacturer, our company also produces Blowout Preventer, Manifold, Cellar Connection, Valve, Pipe Fitting and Control Apparatus, etc. If you need, please contact us.

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Jianhu Fulida Machinery Manufacturing Co. , Ltd.

 Audited supplier

3 month

Address: China

Main Product: Wellhead installation, Metal valve, Blowout preventer , Fracturing Manifold, Forged steel flange, Forged pipe fittings

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