SHOP Check Valves

Parker check valves feature stainless steel poppets with soft seats in sizes 200 through 800/1020. Available in brass, steel and stainless steel in sizes 1/8 through 2 inch. Thread types include NPT, SAE, BSPT and BSPP.  Choose from many different cracking pressures.  Colorflow brand Parker flow control valves for your hydraulic metering applications are also readily available.
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Colorflow Check Valve - NPTColorflow Check Valve - NPT

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Colorflow Check Valve - NPT

Parker Colorflow Check Valve - NPT Ports
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Bold items are most common and readily available.
Showing 1 - 20 of 21
UOM Thread 1 Max Flow Material Effective Orifice Area - Control Flow (in2) Effective Control Flow CV Factor
EA 1/8 NPT 3 GPM (11 LPM) Brass 0.023 0.53
EA 1/8 NPT 3 GPM (11 LPM) Steel 0.023 0.53
EA 1/4 NPT 5 GPM (19 LPM) Brass 0.068 1.56
EA 1/4 NPT 5 GPM (19 LPM) Steel 0.068 1.56
EA 3/8 NPT 8 GPM (30 LPM) Brass 0.099 2.27
EA 3/8 NPT 8 GPM (30 LPM) Steel 0.099 2.27
EA 3/8 NPT 8 GPM (30 LPM) Stainless Steel 0.099 2.27
EA 3/8 NPT 8 GPM (30 LPM) Steel 0.099 2.27
EA 1/2 NPT 15 GPM (57 LPM) Brass 0.224 5.11
EA 1/2 NPT 15 GPM (57 LPM) Steel 0.224 5.11
EA 1/2 NPT 15 GPM (57 LPM) Stainless Steel 0.224 5.11
EA 1/2 NPT 15 GPM (57 LPM) Steel 0.224 5.11
EA 1/2 NPT 15 GPM (57 LPM) Steel 0.224 5.11
EA 3/4 NPT 25 GPM (95 LPM) Brass 0.348 7.95
EA 3/4 NPT 25 GPM (95 LPM) Steel 0.348 7.95
EA 1 NPT 40 GPM (151 LPM) Brass 0.453 10.35
EA 1 NPT 40 GPM (151 LPM) Steel 0.453 10.35
EA 1 NPT 40 GPM (151 LPM) Steel 0.453 10.35
EA 1 1/4 NPT 70 GPM (265 LPM) Steel 0.855 19.52
EA 1 1/2 NPT 100 GPM (379 LPM) Steel 0.955 21.82
Parker Colorflow Check Valve - NPT Ports

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