1. Check valves are generally suitable for clean media, not for media containing solid particles and high viscosity.2. For low pressure check valves below 50mm, butterfly check valves, vertical lift check valves and diaphragm check valves should be used; for medium and low pressure check valves larg

Check valves can be divided according to their structure and installation methods:1. swing check valve: swing check valve is suitable for large caliber occasions with low flow rate and infrequent change of flow, but not suitable for pulsating flow, which is used to prevent the medium from stopping f

Check valve refers to the valve that automatically opens and closes the disc depending on the flow of the medium itself to prevent the medium from flowing back, also known as check valve, one-way valve, reverse flow valve, and back pressure valve.The check valve is a kind of automatic valve, i

Dear All,According to the country's specific arrangements for the New Year's Day holiday time in 2021, our company has notified the New Year's Day holiday time as follows:The New Year's Day holiday in 2021: January 1st - January 3rd, for a total of 3 days. We will go to work as usual

1. Handwheels, handles and transmission mechanisms are not allowed to be used for lifting, and collisions are strictly prohibited.2. The double gate valve should be installed vertically (that is, the valve stem is in the vertical position and the handwheel is on the top).3. The gate valve with bypas