Georg Fischer Ppr Pipes Catalogue

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FAQ

Manual ball valve type: Class400, 20 ', what does that mean, industrial knowledge?
The pressure rating of the valve type and American StandardIt's a 20 inch, 400 pound valve20 inch =DN500 (nominal diameter)400 pounds equivalent to nominal pressure PN64 Mpa
What is the service valve?
In front of the valve will need to be all pass, that is, the hole and the ball valve line diameter consistent, the ball will not be card.
Difference between fireproof and antistatic ball valve and ordinary ball valve
Ha ha, that is, non sparking metal, alloy, copper, alloy, aluminum is all right
Can the check valve replace the ball valve?
Can not be replaced, because the ball valve to play a maintenance, cut off the role of water sources
What are the advantages of an air operated ball valve in comparison with other types of valves?
The thrust bearing reduces the friction torque of the stem, so that the valve stem can be operated stably for a long time.The utility model has the advantages of simple structure, small size and light weight.Convenient operation, open and close rapidly: from fully open to fully closed as long as 90 degree rotation, facilitate remote control.Easy maintenance: ball valve structure is simple, the sealing ring is generally active, disassembly and replacement are more convenient.
What does W represent in copper ball valve Q11W-16T?
Valve sealing materials are all valves of the body material, sealing surface material code with "W" said
For our valve beginners, how intuitive decision is floating ball valve or fixed ball valve?
Floating ball valves and fixed ball valves can be located in the lower stem position, if there is a lower stem is fixed ball valve
What does "ball Q41F-16" mean?
Q- ball, 4- flange connection, 1- DC channel, floating ball, F- sealing material for fluorine plastic, 16- nominal pressure of 16 kg, the valve body material for gray cast iron. If you want to know the details of the valve named model establishment, can refer to the JBT-308-2004 standard.