Circle Valve Technologies Inc.
1533 Gehman Road
Harleysville, PA 19438

Toll Free:800-645-6733
Phone: 267-933-6300
Fax: 267-933-6305
Email: [email protected]
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Features & Benefits
  • Low Pressure
    Lightweight check valve for pressures to 25 psig.
  • Ultra-sensitve
    Unique design allows flow with minimum pressure differential. Crak pressure is 4" H2O maximum.
  • Positive Sealing
    Unique knife-edge on the poppet positions snugly to provide zere sealing even with extremely low pressure.
100 Series Check Valve
Unit of Measure
1 2 

Item #

Body Material

O-Ring Material

Connection Size

Cracking Pressure

Operating Temperature

119B-1PP N/A Brass N/A Buna N N/A 1/8 in N/A 0.15 psig N/A -40 to 250 ºF
119B-2PP N/A Brass N/A Buna N N/A 1/4 in N/A 0.15 psig N/A -40 to 250 ºF
119B-3PP N/A Brass N/A Buna N N/A 3/8 in N/A 0.15 psig N/A -40 to 250 ºF
119B-4PP N/A Brass N/A Buna N N/A 1/2 in N/A 0.15 psig N/A -40 to 250 ºF
119B-6PP N/A Brass N/A Buna N N/A 3/4 in N/A 0.15 psig N/A -40 to 250 ºF
132B-1PP N/A Brass N/A Viton N/A 1/8 in N/A 0.15 psig N/A -20 to 400 ºF
132B-2PP N/A Brass N/A Viton N/A 1/4 in N/A 0.15 psig N/A -20 to 400 ºF
132B-3PP N/A Brass N/A Viton N/A 3/8 in N/A 0.15 psig N/A -20 to 400 ºF
132B-4PP N/A Brass N/A Viton N/A 1/2 in N/A 0.15 psig N/A -20 to 400 ºF
132B-6PP N/A Brass N/A Viton N/A 3/4 in N/A 0.15 psig N/A -20 to 400 ºF
119A-1PP N/A Aluminum N/A Buna N N/A 1/8 in N/A 0.15 psig N/A -40 to 250 ºF
119A-2PP N/A Aluminum N/A Buna N N/A 1/4 in N/A 0.15 psig N/A -40 to 250 ºF
119A-3PP N/A Aluminum N/A Buna N N/A 3/8 in N/A 0.15 psig N/A -40 to 250 ºF
119A-4PP N/A Aluminum N/A Buna N N/A 1/2 in N/A 0.15 psig N/A -40 to 250 ºF
119A-6PP N/A Aluminum N/A Buna N N/A 3/4 in N/A 0.15 psig N/A -40 to 250 ºF
132A-1PP N/A Aluminum N/A Viton N/A 1/8 in N/A 0.15 psig N/A -20 to 400 ºF
132A-2PP N/A Aluminum N/A Viton N/A 1/4 in N/A 0.15 psig N/A -20 to 400 ºF
132A-3PP N/A Aluminum N/A Viton N/A 3/8 in N/A 0.15 psig N/A -20 to 400 ºF
132A-4PP N/A Aluminum N/A Viton N/A 1/2 in N/A 0.15 psig N/A -20 to 400 ºF
132A-6PP N/A Aluminum N/A Viton N/A 3/4 in N/A 0.15 psig N/A -20 to 400 ºF
119T1-1PP N/A 316 Stainless Steel N/A Buna N N/A 1/8 in N/A 0.15 psig N/A -40 to 250 ºF
119T1-2PP N/A 316 Stainless Steel N/A Buna N N/A 1/4 in N/A 0.15 psig N/A -40 to 250 ºF
119T1-3PP N/A 316 Stainless Steel N/A Buna N N/A 3/8 in N/A 0.15 psig N/A -40 to 250 ºF
119T1-4PP N/A 316 Stainless Steel N/A Buna N N/A 1/2 in N/A 0.15 psig N/A -40 to 250 ºF
119T1-6PP N/A 316 Stainless Steel N/A Buna N N/A 3/4 in N/A 0.15 psig N/A -40 to 250 ºF
Unit of Measure
1 2