Function and structure of pigging valve…

Which is better, welded ball valve or flanged ball 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.…

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" .…

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".…

The flanged three-way ball valve is a three-channel rotary ball valve. The valve core of the flanged three-way ball valve has L type and T type, which can meet different production process requirements. Either pipe can be used as inlet or outlet as required. The L-type valve cuts off two of the three pipes, and the T-type valve realizes the confluence and diversion of the three connected pipes.…

The third type is the pressure self-tightening bonnet forged steel globe valve. The valve designed according to this connection form, the valve body and the bonnet are connected by screw mosquitoes, and the internal pressure is sealed by the self-sealing ring. The advantage is that the greater the internal pressure, the more The better the sealing performance. You can choose the valve reasonably a…

Electric butterfly valve is a kind of electric valve and electric regulating valve. The main connection methods of electric butterfly valve are: flange type, wafer type and lug type. According to the transmission mode, it can be divided into manual, gear transmission, pneumatic, hydraulic and electric. It is an important execution unit in the field of industrial automation control. Electric butter…