Direct Acting Corrosive Liquid Solenoid Valves

DEMA’s direct acting valves for corrosive liquids are constructed from PVC, EPDM seal, have a 5/32” orifice size and a CV flow factor of .27. DEMA offers 3 different models. The 481P direct acting diaphragm valve designed for vacuum lines with corrosive liquids. It is designed for 1/8” pipe but can also be injector mounted by using Kit 24-50. The 481-2 is designed to be injector mounted and has dual inlets. It can be mounted on all DEMA B and C series injectors. The 482-2 is also a direct acting diaphragm used on vacuum lines with corrosive liquids but is adjustable and designed for 1/4” pipe.

     
 

481P
481.2
482.2

Model No.
Pressure Differential
Body Material
Pipe Size N.P.T.
CV Flow Factor #
GPM @ 60 psi (cv # x √ psi)
min/psi
max/psi
481P
Vacuum
PVC
1/8
.27
2.09
481.2
Vacuum
PVC
1/8
.27
2.09
481.2
Vacuum Dual Inlet
PVC
1/4
.27
2.09
482.2
Vacuum
PVC
1/4
.27
2.09
482.2
Vacuum Adjustable
PVC
1/4
.27
2.09