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shut-off valve

If you want to know more about the shut-off valve, the following articles will give you some help. These news is the latest market situation, trend in development, or related tips of the shut-off valve industry. More news about shut-off valve, are being released. Follow us / contact us for more shut-off valve information!

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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