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2021-01-14Manual for JJ-M1 Pressure Gauge Needle Globe Valve
Manual 1. Manufacturing standard: GB/T12224-2005 JB/T7747-1995 2. Connection form: pipe joint internal thread connection (NPT, G, Rc, Rp...) 3. Structural features: tapered or spherical seal 4. Valve I...
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2021-01-14What are the differences between needle valve and globe valve
Needle valve is to press a cone, cone or ball into the center of the valve seat to seal. Good sealing effect, suitable for working under the conditions of high pressure, small flow and small diameter; ...
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2021-01-11The working principle and general situation of J744X hydraulic angle type mud valve
J744X hydraulic angle type sludge discharge valve adopts electric two-position four-way reversing valve or manual two-position four-way or one-way valve for centralized control, which is easy to operat...
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2021-01-07American standard plug valve installation and maintenance
When installing the American standard plug valve, in order to prevent damage to the plug valve and ensure the full performance of the plug valve, the following four points should be paid attention to: ...
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2021-01-07Structural characteristics and application scope of safety breathing valve
Fire safety breathing valve is composed of two parts: safety breathing valve and fire extinguisher. The structure of the safety breathing valve is concentric, and the suction port is equipped with a du...
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2021-01-04All-weather breathing valve instruction manual
The all-weather breathing valve is installed on the top of the storage tank to solve the positive and negative pressure in the tank, so that the liquid in the tank is not obstructed. When the external ...
