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Solenoid Valves suitable for Acids, Alkali's and other very aggressive media with Isolating Diaphragm (Dry Armature) 

Below are the more common isolated diaphragm and isolated piston solenoid valves for use with extremely aggressive and corrosive acids and alkali's.
These plastic or synthetic bodied solenoid valves are constructed in such a way that the aggressive media can only come into contact with the valve seal and the body, thus protecting the stainless steel internals such as AISI430F armature, AISI302 armature spring or the AISI304 core tube preventing corrosion and ensuring these solenoid valves work reliably no matter how corrosive or aggressive the media.


We recommend that you check media compatibility with the body and seal materials of the isolating solenoid valve construction before ordering. There is a comprehensive chemical material compatibility list that can be found here however we always recommend checking chemical resistance with our technical sales team or preferably with your chemical supplier. This is especially important for Branded Chemicals for which exact chemical composition is not known or just even for piece of mind. Keep in mind pressure ratings, port sizes, temperature and control voltage are also critical in ensuring the valves meets the requirements of the application. Helpful hint: all media must be free of debris and particle contaminants that might prevent the plastic solenoid valve from sealing or functioning correctly. 

You read more about Acid and Alkali control valves here...
Solenoid Valves with Isolated Diaphragm
2/2 Normally Closed 

Plastic solenoid Valve

Series: PE
Function: 2/2 normally closed 
Operation: assisted lift zero rated
Pressure: 0 to 5 Bar
Port: 1/4,3/8,1/2,3/4 and 1" BSP or NPT
Body: PTFE
Seal: PTFE
Media: very aggressive media, acid and alkali

Plastic Solenoid Valve Isolating Diaphragm (Dry Armature) Series PH PTFE 2/2 N/Closed 0 to 10 Bar Sizes 1/4

Series: PH 
Function: 2/2 normally closed 
Operation: assisted Lift
Pressure: 0 to 10 Bar
Port: 1/4,3/8,1/2 or 3/4" BSP or NPT
Body: PTFE
Seal: PTFE
Media: very aggressive media, acid and alkali

Plastic Solenoid Valve Isolating Diaphragm (Dry Armature) Series C40 PVC 2/2 N/Closed 0 to 0.5 Bar Sizes 1/2

Series: C40
Function: 2/2 normally closed 
Operation: direct acting
Pressure: 0 to 0.5 Bar
Port: 1/2" BSP or NPT thread
Body: PVC
Seal: PVC
Media: very aggressive media, acid and alkali

Plastic Solenoid Valve Isolating Diaphragm (Dry Armature) Solenoid valve Series PPA1 2/2 N/Closed 0 to 2 Bar Sizes 1/4

Series: PPA1 
Function: 2/2 normally closed
Operation: direct acting
Pressure: 0 to 2 Bar
Port: 1/4" BSP or NPT thread
Body: PPA
Seal: FKM, EPDM or Silicone
Media: very aggressive media, acid and alkali

Plastic Solenoid Valve UDC N/Closed 0-1 Bar

Series: UDC
Function: 2/2 normally closed 
Operation: direct acting
Pressure: 0 to 1 Bar
Port: 1/4, 3/8 or 1/2" BSP or NPT thread
Body: PVC
Seal: PTFE
Media: very aggressive media, acid and alkali

Plastic Solenoid Valve N/Closed Cement Socket 1/4 BSP

Series: 111 
Function: 2/2 normally closed 
Operation: direct acting
Pressure: 0 to 6 Bar
Port: cement socket, 1/4" BSP or NPT
Body: PVC, PVDF or PTFE
Seal: EPDM or FKM
Media: very aggressive media, acid and alkali

Isolating Diaphragm (Dry Armature) Solenoid valve Series 148 PVC or PTFE 2/2 N/Closed 0 to 6 Bar Sizes 1/4

Series: 148 
Function: 2/2 normally closed 
Operation: direct acting
Pressure: 0 to 6 Bar
Port: cement socket, 1/4, 3/8 or 1/2" BSP / NPT
Body: PVC or PTFE
Seal: FKM or EPDM
Media: very aggressive media, acid and alkali

Isolating Diaphragm (Dry Armature) Solenoid valve Series 150 PVC,PVDF or PTFE 2/2 N/Closed 0 to 2 Bar Sizes 1/4

Series: 150
Function: 2/2 normally closed
Operation: direct acting
Pressure: 0 to 2 Bar
Port: cement socket, 1/4 to 1/2" BSP
Body: PVC, PP or PTFE
Seal: FKM or EPDM
Media: very aggressive media, acid and alkali

Isolating Diaphragm (Dry Armature) Solenoid valve Series 160 PVC,PVDF or PTFE 2/2 N/Closed 0.3 to 6 Bar Sizes 1/2

Series: 160A 
Function: 2/2 normally closed 
Operation: servo pressure assisted diaphragm
Pressure: 0.3 to 6 Bar
Port: 1/2, 3/4, 1, 11/4, 11/2 or 2" BSP or NPT
Body: PVC, PP or PTFE
Seal: FKM or EPDM
Media: very aggressive media, acid and alkali

 Isolating Diaphragm (Dry Armature) Solenoid valve Series 136 PVC 2/2 N/Closed 0 to 6 Bar Sizes 1/2

Series: 136 plastic angle seat solenoid valve
Function: 2-way normally closed
Operation: direct acting
Pressure: 0 to 6 Bar
Port: 1/2 to 2"
Body: PVC
Seal: FKM or EPDM
Media: very aggressive media, acid and alkali
2/2 Normally Open
Isolating Diaphragm Solenoid Valves

Isolating Diaphragm (Dry Armature) Solenoid valve Series PPA2 2/2 N/Open 0 to 1 Bar Sizes 1/4

Series: PPA2 
Function: 2/2 normally open
Operation: direct acting
Pressure: 0 to 1 Bar
Port: 1/4" BSP or NPT thread
Body: PPA
Seal: FKM, EPDM or Silicone
Media: very aggressive media, acid and alkali

Isolating Diaphragm (Dry Armature) Solenoid valve Series NO150 PVC,PVDF or PTFE 2/2 N/Open 0 to 2 Bar Sizes 1/4

Series: NO150 
Function: 2/2 way normally open 
Operation: direct acting
Pressure: 0 to 2 Bar
Port: cement socket, 1/4 to 1/2" BSP or NPT
Body: PVC, PP or PTFE
Seal: FKM or EPDM
Media: very aggressive media, acid and alkali

Isolating Diaphragm (Dry Armature) Solenoid valve Series NO160 PVC,PVDF or PTFE 2/2 N/Open 0.3 to 6 Bar Sizes 1/2

Series: NO160B 
Function: 2/2 normally open
Operation: servo pressure assisted diaphragm
Pressure: 0.3 to 6 Bar
Port: 1/2, 3/4, 1, 11/4, 11/2 or 2" BSP or NPT thread
Body: PVC, PP or PTFE
Seal: FKM or EPDM
Media: very aggressive media, acid and alkali
 
Media
Port Size - Type
Port Option
N-open/closed
Min Pressure
Max Pressure
Body Material
Protection
Special Option

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