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Ball and Poppet Check Valves

Applications

Prevents reversed flow to protect solenoids, regulators, and pumps

Locks pressure in hydraulic cylinders

Low pressure inline relief valve

Vent valve to purge a syste

Unit of Measure

Connections - Inlet	N/A 1/4" NPT Male
Connections - Outlet	N/A 1/4" NPT Male
Body Material	N/A 316 Stainless Steel
Operating Pressure Range	N/A 6000 psig at 70° F (414 bar at 21° C)
Operating Temperature Range	N/A Buna N: -40 to +200, Viton: -20 to +350 ºFBuna N: -40 to +93, Viton: -29 to +177 ºC
Orifice	N/A 0.187 in4.75 mm
Cv	N/A 0.3, 2.4
C Hex	N/A 11/16 in17 mm
D Hex	N/A .75 in19 mm
E	N/A 2 3/8 in60 mm
Features & Benefits	N/A O-ring seat provides leak-tight shutoff Internal design guides flow around or inside spring, not through coils, when valve is open All models are tested in production to assure a leak-tight body joint and seat Ball and poppet designs are available as standard Ball type provides effective leak-tight closure with minimum flow resistance Poppet models provide large fl ows with a minimum of chatter and fluctuation Valves are available with various cracking pressures, from 1/3 to 25 psig (0 to 2 bar). 2-piece body permits interchangeability of end connections Special High Tolerance NPT Thread

Connections - Inlet