Normally Closed High Pressure Valves
DEMA’s high pressure valves are designed for pressures from 10 psi up to 1200 psi, are available for 3/8-1” pipes, have orifices from 11/32-15/16”, and are intended for use with water only. They 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.
Detail Information
| Power Source | Water powered |
|---|
|
Model No.
|
Pressure Differential min/psi
|
Pressure Differential max/psi
|
Body Material
|
Pipe Size N.P.T
|
CV Flow Factor #
|
GPM @ 60 psi
|
|
453P*
|
10
|
1200
|
Brass
|
3/8"
|
1.8
|
13.95
|
|
453S**
|
10
|
1200
|
Brass
|
3/8"
|
1.8
|
13.94
|
|
454P*
|
10
|
1200
|
Brass
|
1/2"
|
3.7
|
28.66
|
|
458P*
|
10
|
1200
|
Brass
|
1"
|
11.1
|
85.98
|
|
458PS**
|
10
|
1200
|
Brass
|
1"
|
11.1
|
85.98
|
|
*Stainless Steel Piston
**Stainless Steel Piston and Stainless Steel Sleeve
Shown above are the most common configurations. Many additional configurations are readily available. Contact us at [email protected] or speak with your DEMA sales representative for more information.
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