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shut-off valve

These are related to the shut-off valve news, in which you can learn about the updated information in shut-off valve, to help you better understand and expand shut-off valve market. Because the market for shut-off valve is evolving and changing, so we recommend that you collect our website, and we will show you the latest news on a regular basis.

The gate of the gate valve moves linearly with the valve stem, which is called the rising stem gate valve. Usually, there is a trapezoidal thread on the lifting rod, and the rotary motion is changed into a linear motion by the nut at the top end of the valve and the guide groove on the valve body.

13

2019-03

Lift check valve structure principle

The main advantage of the lift check valve is its simple construction. Since the conical disc is the only moving part, the valve is durable and requires little maintenance, and because it is a metal seat, there is little wear.

06

2019-03

Lift check valve definition

Lifting check valve: The check valve sliding along the vertical center line of the valve body. The internal thread check valve can only be installed on the horizontal pipe.

20

2019-02

Swing check valve vs lift check valve

The driving mode of swing check valve is automatic, the connection mode can be selected from flange, clip type, welding, thread, structure can be selected with swing type, sealing structure can be selected with PTFE, PPL, hard seal, pressure range PN10~ PN160, the nominal diameter is DN15-1200mm, the material can be selected from WCB, 304, 316, alloy steel and so on.

18

2019-01

Check valve definition

Check valve is a valve in which the opening and closing member is a circular valve flap and acts on its own weight and medium pressure to block the reverse flow of the medium. It is an automatic valve, also known as a check valve, non return valve or isolation valve.

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