Normally Open High Pressure Valves

DEMA’s offers 2 high pressure valves, the 0453P and O453S. Both are designed for pressures from 10 psi up to 1000 psi, have brass bodies, Teflon seals, designed for 3/8” pipes and have 11/32” orifices. The only difference is the 0453S features a stainless steel piston. The high pressure valves operate the same as a pilot operated valve except the pilot port is in a separate chamber from the piston. This allows the plunger to operate closer to the top plug with more force and consequently higher opening pressure.

     
 

O453P/S

Model No.
Pressure Differential
Body Material
Pipe Size N.P.T.
CV Flow Factor #
GPM @ 60 psi (cv # x √ psi)
min/psi
max/psi
O453P*
10
1000
Brass
3/8
1.8
13.95
O453S**
10
1000
Brass
3/8
1.8
13.95

* – Stainless Steel Piston

** – Stainless Steel Piston and Stainless Steel Sleeve