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" .… -
Difference between
Above all,we suggest "Hard back Seat" as an economic choice if the valve size is less than DN500. We suggest "Soft back Seat" type when you have applications where valves need to be replaced on a regular basis and you don't have a machine to change the "Hard back Seat".…