WENZHOU WEITUO VALVE CO., LTD.
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What is the purpose of stainless steel knife gate valves?
What is the purpose of stainless steel knife gate valves?… -
Do knife gate valves have requirements for fire and static protection
Do knife gate valves have requirements for fire and static protection?… -
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Which is better, welded ball valve or flanged ball valve
Which is better, welded ball valve or flanged ball valve… -
The difference between the with pin and pinless butterfly valve
1,Price:"With Pin" is cheaper than "Pinless" by 10%. 2, Performance:"Pinless" has better sealing performance and longer cycle life than "With pin" because the pin will wear and rust and happen to leakage after passing through a certain time. 3,After sales:"Pinless" is easier to replace parts than "With pin" type.… -
The difference between the ''Cartridge Sea'' and ''Booted Sea'' of Butterfly Valve
1,Price: ①DN40-450:"Cartridge" is cheaper than "Booted" by 2%-20%.It is because the "Cartridge" type butterfly valve's body costs less metal material . ②DN500-800:"Cartridge" is more expensive than "Booted" by 2%-20%.It is because the large size more than DN450 butterfly valve needs preciser skills to install the "Cartridge seat" .…