Check Valves

Check Valves for Chemical InjectorsCheck Valves are available to prevent water from the main line from entering the injector feed lines.  Inyo offers a variety of check valves to best suit any application.

Size

(in) NPT

Pressure to Open (psi)

Maximum Pressure (psi)

Maximum Back Pressure (psi)

Maximum Temperature

1/2

1.5

150

100

PVC 140 ºF

CPVC 180 ºF

PVDF 180 ºF

3/4

 

 

PVC, CPVC, PP & PVDF Check Valves
Pipe Size (NPT thread) A B C  
in mm in mm in mm
1/2" 3.8 97 1.3 33 2.4 62 RKM050V-PV
3/4" 4.1 105 1.6 39 2.8 72 RKM075V-PV
1" 4.7 120 1.9 48 2.8 72 RKM0100V-PV
Available with Viton or EPDM diaphragmRKM(series) 050(size) V(seal material) - PV(body material)
Part numbers shown are Viton seals with PVC bodies.
• For EPDM seals, change "V" to "EP" (RKM050EP-PV)
• For Buna-N seals, change "V" to "B" (RKM050B-PV)
• For Kynar PVDF body, change "-PV" to "-PF" (RKM050V-PF)
• For Polypropylene body, change "-PV" to "-PP" (RKM050V-PP)
• For Corzan CPVC body, change "-PV" to "-CP" (RKM050V-CP)
Standard connections are threaded. For socket connection, add "S" after seal material (RKM050VS-PV)
For spigot or other connection types, consult factory.


 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check Valve Dimensions for Chemical Injection check valves

Check Valve Graph for chemical injector

PTFE Check Valves

Pipe Size (NPT thread)

A

B

C

 

 in

mm

in

mm

in

mm

3/4"

3.6

92

1.9

48

3.0

76

RK075V-TF

1"

4.3

110

1.9

48

3.0

76

RK0100V-TF

Available with Viton, EPDM, or Buna N seals

RK(series) 050(size) V(seal material) - TF(body material)

Part numbers shown have Viton seals.

• For EPDM seals, change "V" to "EP" (RK050EP-TF)

• For Buna-N seals, change "V" to "B" (RK050B-TF)

Threaded connections only.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


CPVC Check Valve for Chemical Injector