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The working principle and characteristics of the globe valve
The globe valve is a tool that relies on the pressure of the valve stem to make the sealing surface of the disc and the sealing surface of the valve seat tightly fit to prevent the flow of the medium. It is a forced sealing valve and is one of the most widely used valves. […]
Features and working principle of silent check valve
Silent check valve refers to a valve that automatically opens and closes the disc depending on the flow of the medium itself to prevent the medium from flowing back. It is also called check valve, one-way valve, silence check valve, reverse flow valve, and back pressure valve. Check valve is a kind of automatic valve, […]
Y type ball check valves’ work theory, construction feature, advantage
1. Overview of ball check valve: Ball type check valve is widely used in petroleum, chemical and electric heating boilers and other devices. It is mainly used to prevent the reverse flow of the medium in the pipeline and protect the safe operation of the equipment. It is an ideal non-return device for pipelines. However, […]
Ball check valve introduction
Check valves are also known as counterflow valves, check valves, back pressure valves, and one-way valves. This kind of valve is automatically opened and closed by the force generated by the flow of the medium itself in the pipeline, and belongs to an automatic valve. Uses and characteristics of ball check valve: HQ44X single-ball micro-resistance […]
Introduction of Carbon steel lift check valve H41H-16C
H41H-16C carbon steel lift check valve (check valve) is also known as one-way valve or check valve. Its opening and closing parts are opened or closed by the flow and force of the medium, and its function is to prevent the medium in the pipeline from flowing back . check valve can be divided into […]
Introduction of cast steel lift swing check valve
1. Overview of Cast steel lift check valve: The lift check valve is selected for the pipelines of various working conditions such as petroleum, chemical industry and thermal power plants with a nominal pressure of PN1.6～6.4MPa and a working temperature of -29～550℃. Applicable media are: water, oil, steam, etc. 2. Structural features of Cast steel […]
Swash plate type non-impact check valve
“Swash plate check valve” generally refers to tilting disc swing check valve. Chinese name: PXH44H-150LB swash plate type non-impact check valve Structure length: ASME B16.10 Product design press: ASME B16.34 Inspection and testing: API 598 PXH44H-150LB swash plate type non-impact check valve details: 1. Product overview: It is a new type of check valve developed […]
Wafer type double disc swing check valve introduction
Introduction of wafer type double wing check valve: 1. Product appication of wafer type double swing check valve: H76H/, H77H wafer butterfly double flap check valve is used for pure pipelines and industrial, environmental protection, water treatment, high-rise building water supply and drainage pipelines to prevent the reverse flow of media. 2. Product Features of […]
The principles and difference between one-way valve and check valve
One-way valve is sometimes called a check valve. One-way valve is a device in which fluid can only flow along the water inlet, but the medium at the outlet cannot flow back. The function of the check valve is to prevent the medium in the pipeline from flowing back. So what is the difference between […]
The difference between one-way valve and check valve
One-way valve means that the fluid can only flow along the water inlet, and the medium at the water outlet cannot return. Used in hydraulic systems to prevent reverse flow of oil or pneumatic systems to prevent reverse flow of air. Check valve refers to a valve whose opening and closing parts are circular discs […]