Specifications
SAFETY RATING
150 PSI - PVC, CPVC, and PVDF models
1500 PSI - 316SS, C-276, and Alloy20 models
​
OPERATION
Non-Retractable
​​
​​​​TUBE SIZE
1/4" (nominal)
​​​​​​
PROCESS CONNECTION SIZE/TYPE
IQ-50: 1/2" Male NPT​
IQ-75: 3/4" Male NPT
​​​​​
INLET SIZE/TYPE
1/2" Male NPT
​​​
CHECK VALVE
Integrated Spring Loaded Ball Check​
Ordering Options
1/2" Process Connection
Valve Material
IQ-50
Valve Material
CHECK SEAL
MATERIAL
​
V = FKM​
E = EPDM
K = FFKM
Valve Material
INLET SIZE/TYPE
​​
5 = 1/2" MNPT
Valve Material
INSERTION
LENGTH
​​​
Specify insertion length in inches. Note: PVC/CPVC have a maximum of 6".
Valve Material
BODY MATERIAL
​​​
P = PVC
C = CPVC
K = PVDF
S = 316SS​
H = C-276
A = Alloy 20
CHECK SPRING
​​​​
H = C-276
S = 316SS
​
Note: 316SS spring, only available with 316SS body material selection
Ordering Options
3/4" Process Connection
Valve Material
IQ-75
Valve Material
CHECK SEAL
MATERIAL
​
V = FKM​
E = EPDM
K = FFKM
Valve Material
INLET SIZE/TYPE
​​
5 = 1/2" MNPT
Valve Material
INSERTION
LENGTH
​​​
2 = 2"
3 = 3"
4 = 4"
5 = 5"
6 = 6"
Valve Material
BODY MATERIAL
​​​
P = PVC
C = CPVC
K = PVDF
CHECK SPRING
​​​​
H = C-276
Technical Notes
-
Check valve spring cracking pressure of 10 PSI.
-
Solution Tube Dimensions:
-
PVC, CPVC, and PVDF models: 1/4" S80 Nominal Pipe Size (OD .540", ID .302")​
-
316SS, C-276, and Alloy 20 models: 1/4" S40 Nominal Pipe Size (OD .540", ID .364")
-
-
Safety Rating:
-
PVC, CPVC, and PVDF models: 150 PSI
-
316SS, C276, and Alloy 20 models: 1500 PSI
-
-
Maximum available insertion length for PVC, CPVC, and PVDF models is 6". For longer insertion length, select a chemically compatible alloy material (316SS, C-276, Alloy20).​
-
PVC, CPVC, and PVDF models are not recommended nor covered by warranty when used in applications with process flow velocities greater than 6fps.
​