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2021-01-25How to turn the electric valve to manual
The action force distance of the electric valve is larger than that of the ordinary valve. The opening and closing action speed of the electric valve can be adjusted. The structure is simple and easy t...
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2021-01-25What is the difference between gate valve and globe valve
The gate valve is a gate with opening and closing parts. The movement direction of the gate valve is perpendicular to the fluid direction. The gate valve can only be fully opened and fully closed. Stop...
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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: ...
