Check
Check valves operate on slight differential pressure. Free flow is permitted in the direction of the arrow, positive check in the opposite direction.
These tough valves are ideal for general industrial and mobile applications including plastic injection molding machines, packaging equipment, machine tools, car washes, hospital beds, and many types of automotive equipment.

Check
Check
Schematic | Model | Series | Thread Type | Ports | Size | Flow gpm | Flow lpm | Max psi | Max bar | Material | 3D PDF | STP File |
---|---|---|---|---|---|---|---|---|---|---|---|---|
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APIDC30S | Female-to-Female | NPTF | 1/2" | 12.0 | 45.4 | 3000 | 207 | Steel | 3D PDF | STP |
Schematic | Model | Series | Thread Type | Ports | Size | Flow gpm | Flow lpm | Cracking Pressure psi | Cracking Pressure bar | Cv Factor | Max psi | Max bar | Material | 3D PDF | STP File |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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C10S | Female-to-Female | NPTF | 1/8" | 1.5 | 5.7 | 2.50 | 0.17 | 0.23 | 5000 | 345 | Steel | 3D PDF | STP | |
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C10SS | Female-to-Female | NPTF | 1/8" | 1.5 | 5.7 | 2.50 | 0.17 | 0.23 | 5000 | 345 | Stainless Steel | 3D PDF | STP | |
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C20S | Female-to-Female | NPTF | 1/4" | 3.0 | 11.4 | 2.50 | 0.17 | 0.54 | 5000 | 345 | Steel | 3D PDF | STP | |
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C20SS | Female-to-Female | NPTF | 1/4" | 3.0 | 11.4 | 2.50 | 0.17 | 0.54 | 5000 | 345 | Stainless Steel | 3D PDF | STP | |
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C25S | Female-to-Female | NPTF | 3/8" | 5.0 | 18.9 | 2.50 | 0.17 | 0.83 | 5000 | 345 | Steel | 3D PDF | STP | |
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C25SS | Female-to-Female | NPTF | 3/8" | 5.0 | 18.9 | 2.50 | 0.17 | 0.83 | 5000 | 345 | Stainless Steel | 3D PDF | STP | |
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C30S | Female-to-Female | NPTF | 1/2" | 8.0 | 30.3 | 2.50 | 0.17 | 1.47 | 5000 | 345 | Steel | 3D PDF | STP |
Schematic | Model | Series | Thread Type | Ports | Size | Flow gpm | Flow lpm | Cracking Pressure psi | Cracking Pressure bar | Cv Factor | Max psi | Max bar | Material | 3D PDF | STP File |
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C10B | Female-to-Female | NPTF | 1/8" | 1.5 | 5.7 | 2.50 | 0.17 | 0.23 | 2000 | 138 | Brass | 3D PDF | STP | |
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C20B | Female-to-Female | NPTF | 1/4" | 3.0 | 11.4 | 2.50 | 0.17 | 0.54 | 2000 | 138 | Brass | 3D PDF | STP | |
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C25B | Female-to-Female | NPTF | 3/8" | 5.0 | 18.9 | 2.50 | 0.17 | 0.83 | 2000 | 138 | Brass | 3D PDF | STP | |
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C30B | Female-to-Female | NPTF | 1/2" | 8.0 | 30.3 | 2.50 | 0.17 | 1.47 | 2000 | 138 | Brass | 3D PDF | STP | |
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C30SS | Female-to-Female | NPTF | 1/2" | 8.0 | 30.3 | 2.50 | 0.17 | 1.47 | 5000 | 345 | Stainless Steel | 3D PDF | STP | |
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C35B | Female-to-Female | NPTF | 3/4" | 12.0 | 45.4 | 2.50 | 0.17 | 1.90 | 2000 | 138 | Brass | 3D PDF | STP | |
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C35S | Female-to-Female | NPTF | 3/4" | 12.0 | 45.4 | 2.50 | 0.17 | 1.90 | 5000 | 345 | Steel | 3D PDF | STP | |
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CMM10B1 | Male-to-Male | NPTF | 1/8" | 1.0 | 3.8 | 2.50 | 0.17 | 0.17 | 2000 | 138 | Brass | STP | ||
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CMM20B | Male-to-Male | NPTF | 1/4" | 2.5 | 9.5 | 2.50 | 0.17 | 0.56 | 2000 | 138 | Brass | 3D PDF | STP | |
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CMM20S | Male-to-Male | NPTF | 1/4" | 2.5 | 9.5 | 2.50 | 0.17 | 0.56 | 3000 | 207 | Steel | 3D PDF | STP | |
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CMM20SS2 | Male-to-Male | NPTF | 1/4" | 2.5 | 9.5 | 2.50 | 0.17 | 0.56 | 3000 | 207 | Stainless Steel | 3D PDF | STP | |
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CMM25B | Male-to-Male | NPTF | 3/8" | 6.0 | 22.7 | 2.50 | 0.17 | 1.31 | 2000 | 138 | Brass | 3D PDF | STP | |
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CMM25S | Male-to-Male | NPTF | 3/8" | 6.0 | 22.7 | 2.50 | 0.17 | 1.31 | 3000 | 207 | Steel | 3D PDF | STP | |
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CMM30B | Male-to-Male | NPTF | 1/2" | 10.0 | 37.9 | 2.50 | 0.17 | 2.71 | 2000 | 138 | Brass | 3D PDF | STP | |
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CMM30S | Male-to-Male | NPTF | 1/2" | 10.0 | 37.9 | 2.50 | 0.17 | 2.71 | 3000 | 207 | Steel | 3D PDF | STP | |
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CMMO10B1 | Male-to-Male | NPTF | 1/8" | 1.0 | 3.8 | 2.50 | 0.17 | 0.17 | 2000 | 138 | Brass | 3D PDF | STP | |
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CMMO20SS2 | Male-to-Male | NPTF | 1/4" | 2.5 | 9.5 | 2.50 | 0.17 | 0.56 | 3000 | 207 | Stainless Steel | 3D PDF | STP | |
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CMMO25B | Male-to-Male | NPTF | 3/8" | 6.0 | 22.7 | 2.50 | 0.17 | 1.31 | 2000 | 138 | Brass | 3D PDF | STP | |
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CMMO25S | Male-to-Male | NPTF | 3/8" | 6.0 | 22.7 | 2.50 | 0.17 | 1.31 | 3000 | 207 | Steel | 3D PDF | STP | |
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CMMO25SS | Male-to-Male | NPTF | 3/8" | 6.0 | 22.7 | 2.50 | 0.17 | 1.31 | 3000 | 207 | Stainless Steel | 3D PDF | STP | |
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CMMQ20B | Male-to-Male | NPTF | 1/4" | 2.5 | 9.5 | 2.50 | 0.17 | 0.56 | 2000 | 138 | Brass | 3D PDF | STP | |
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CMMQ20S | Male-to-Male | NPTF | 1/4" | 2.5 | 9.5 | 2.50 | 0.17 | 0.56 | 3000 | 207 | Steel | 3D PDF | STP | |
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CMMQ30B | Male-to-Male | NPTF | 1/2" | 10.0 | 37.9 | 2.50 | 0.17 | 2.71 | 2000 | 138 | Brass | 3D PDF | STP | |
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CMMQ30S | Male-to-Male | NPTF | 1/2" | 10.0 | 37.9 | 2.50 | 0.17 | 2.71 | 3000 | 207 | Steel | 3D PDF | STP | |
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CMMQ35B | Male-to-Male | NPTF | 3/4" | 15.0 | 56.8 | 2.50 | 0.17 | 3.40 | 2000 | 138 | Brass | 3D PDF | STP | |
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CP10B | Female-to-Female | NPTF | 1/8" | 1.5 | 5.7 | 2.50 | 0.17 | 0.23 | 60 | 4 | Brass | 3D PDF | STP | |
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CP10SS | Female-to-Female | NPTF | 1/8" | 1.5 | 5.7 | 2.50 | 0.17 | 0.23 | 60 | 4 | Stainless Steel | 3D PDF | STP | |
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CP20B | Female-to-Female | NPTF | 1/4" | 3.0 | 11.4 | 2.50 | 0.17 | 0.54 | 60 | 4 | Brass | 3D PDF | STP | |
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CP20SS | Female-to-Female | NPTF | 1/4" | 3.0 | 11.4 | 2.50 | 0.17 | 0.54 | 60 | 4 | Stainless Steel | 3D PDF | STP | |
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CP25B | Female-to-Female | NPTF | 3/8" | 5.0 | 18.9 | 2.50 | 0.17 | 0.83 | 60 | 4 | Brass | 3D PDF | STP | |
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CP30B | Female-to-Female | NPTF | 1/2" | 8.0 | 30.3 | 2.50 | 0.17 | 1.47 | 60 | 4 | Brass | 3D PDF | STP | |
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CPMF20B | Male-to-Female | NPTF | 1/4" | 2.5 | 9.5 | 2.50 | 0.17 | 0.43 | 60 | 4 | Brass | STP | ||
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EC10B | Female-to-Female | NPTF | 1/8" | 3.0 | 11.4 | 2.50 | 0.17 | 0.75 | 2000 | 138 | Brass | 3D PDF | STP | |
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EC20B | Female-to-Female | NPTF | 1/4" | 6.0 | 22.7 | 2.50 | 0.17 | 1.47 | 2000 | 138 | Brass | 3D PDF | STP | |
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EC20S | Female-to-Female | NPTF | 1/4" | 6.0 | 22.7 | 2.50 | 0.17 | 1.47 | 5000 | 345 | Steel | 3D PDF | STP | |
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EC20SS | Female-to-Female | NPTF | 1/4" | 6.0 | 22.7 | 2.50 | 0.17 | 1.47 | 5000 | 345 | Stainless Steel | 3D PDF | STP | |
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EC40B | Female-to-Female | NPTF | 1" | 55.0 | 208.2 | 5.00 | 0.34 | 9.60 | 2000 | 138 | Brass | 3D PDF | STP | |
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EC40S | Female-to-Female | NPTF | 1" | 55.0 | 208.2 | 5.00 | 0.34 | 9.60 | 5000 | 345 | Steel | 3D PDF | STP | |
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ECB10S | Female-to-Female | BSPT | 1/8" | 3.0 | 11.4 | 2.50 | 0.17 | 0.75 | 5000 | 345 | Steel | 3D PDF | STP | |
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ECB20S | Female-to-Female | BSPT | 1/4" | 6.0 | 22.7 | 2.50 | 0.17 | 1.47 | 5000 | 345 | Steel | 3D PDF | STP | |
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ECB25S | Female-to-Female | BSPT | 3/8" | 10.0 | 37.9 | 2.50 | 0.17 | 3.30 | 5000 | 345 | Steel | 3D PDF | STP | |
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ECB30S | Female-to-Female | BSPT | 1/2" | 12.0 | 45.4 | 2.50 | 0.17 | 3.60 | 5000 | 345 | Steel | 3D PDF | STP | |
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ECB35S | Female-to-Female | BSPT | 3/4" | 20.0 | 75.7 | 2.50 | 0.17 | 5.41 | 5000 | 345 | Steel | 3D PDF | STP | |
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ECBP20S | Female-to-Female | BSPP | 1/4" | 6.0 | 22.7 | 2.50 | 0.17 | 1.47 | 5000 | 345 | Steel | 3D PDF | STP | |
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ECBP25S | Female-to-Female | BSPP | 3/8" | 10.0 | 37.9 | 2.50 | 0.17 | 3.30 | 5000 | 345 | Steel | 3D PDF | STP | |
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ECBP30S | Female-to-Female | BSPP | 1/2" | 12.0 | 45.4 | 2.50 | 0.17 | 3.60 | 5000 | 345 | Steel | 3D PDF | STP | |
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ECBP35S | Female-to-Female | BSPP | 3/4" | 20.0 | 75.7 | 2.50 | 0.17 | 5.41 | 5000 | 345 | Steel | 3D PDF | STP | |
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EDC25B | Female-to-Female | NPTF | 3/8" | 10.0 | 37.9 | 2.50 | 0.17 | 3.30 | 2000 | 138 | Brass | 3D PDF | STP | |
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EDC25S | Female-to-Female | NPTF | 3/8" | 10.0 | 37.9 | 2.50 | 0.17 | 3.30 | 5000 | 345 | Steel | 3D PDF | STP | |
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EDC25SS | Female-to-Female | NPTF | 3/8" | 10.0 | 37.9 | 2.50 | 0.17 | 3.30 | 5000 | 345 | Stainless Steel | 3D PDF | STP | |
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EDC30B | Female-to-Female | NPTF | 1/2" | 12.0 | 45.4 | 2.50 | 0.17 | 3.60 | 2000 | 138 | Brass | 3D PDF | STP | |
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EDC30S | Female-to-Female | NPTF | 1/2" | 12.0 | 45.4 | 2.50 | 0.17 | 3.60 | 5000 | 345 | Steel | 3D PDF | STP | |
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EDC30SS | Female-to-Female | NPTF | 1/2" | 12.0 | 45.4 | 2.50 | 0.17 | 3.60 | 5000 | 345 | Stainless Steel | 3D PDF | STP | |
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EDC35B | Female-to-Female | NPTF | 3/4" | 20.0 | 75.7 | 2.50 | 0.17 | 5.41 | 2000 | 138 | Brass | 3D PDF | STP | |
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EDC35S | Female-to-Female | NPTF | 3/4" | 20.0 | 75.7 | 2.50 | 0.17 | 5.41 | 5000 | 345 | Steel | 3D PDF | STP | |
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EDC35SS | Female-to-Female | NPTF | 3/4" | 20.0 | 75.7 | 2.50 | 0.17 | 5.41 | 5000 | 345 | Stainless Steel | 3D PDF | STP |
Schematic | Model | Series | Thread Type | Ports | Size | Flow gpm | Flow lpm | Cracking Pressure psi | Cracking Pressure bar | Cv Factor | Max psi | Max bar | Material | STP File |
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MOC20S | Female-to-Female | NPTF | 1/4" | 5.0 | 18.9 | 2.50 | 0.17 | 0.54 | 3000 | 207 | Steel | STP |
Schematic | Model | Series | Thread Type | Ports | Size | Flow gpm | Flow lpm | Max psi | Max bar | Material | 3D PDF | STP File |
---|---|---|---|---|---|---|---|---|---|---|---|---|
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PIC20S | Female-to-Female | NPTF | 1/4" | 6.0 | 22.7 | 3000 | 207 | Steel | 3D PDF | STP | |
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PICB20S | Female-to-Female | BSPT | 1/4" | 6.0 | 22.7 | 3000 | 207 | Steel | 3D PDF | STP | |
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PICB25S | Female-to-Female | BSPT | 3/8" | 10.0 | 37.9 | 3000 | 207 | Steel | |||
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PIDC25S | Female-to-Female | NPTF | 3/8" | 10.0 | 37.9 | 3000 | 207 | Steel | |||
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PIDC30S | Female-to-Female | NPTF | 1/2" | 12.0 | 45.4 | 3000 | 207 | Steel | 3D PDF | STP |