Shut-off valves
Material
Acid-proof stainless steel
Dimensions
1/2" - 2"
DN15 - DN50
SMSØ25 - Ø51
Connection
Female
Butt weld
2/2-way angle seat valve in stainless steel with pneumatic single acting actuator NC. Also avaible with pneumatic double acting actuator or as NO.
ATEX
Material
Cast iron
Stainless steel
Dimensions
DN50 - DN1200
Connection
SemiLUG
Knife gate valve, uni-directional. Available as metallic sealing or with other kinds of seals. Stainless steel spade. Available with actuator.
Material
Acid-proof stainless steel
Dimensions
1/4" - 1"
Connection
Female
Needle valve in stainless steel for regulation and shut-of steam, gas, oil and acid. The valve is equipped with dust cap to protect the stem. Handle in stainless steel.
The correct choise of shut-off valve depends on different factors: How big is the pipe dimension? What is pressure and temperature? What is the requirement for the leek? Is the media abrasive?
A ball valve or butterfly valve will often be the obvious choice (due to the price). For more extreme tasks, such as overheated steam (over 12 bar), valve types like seat valves, piston valves and gate valves will be usable. Here you should be aware that only the piston valve can achieve 100% density.
DVC offer all of the valve types and many others - see them below.
Our shut-off valves are divided into the following categories: