1- Parker Division: Autoclave Engineers

2- Series: QS

Automatically Selected

»	Valve Type: Check Valve
»	Pressure Range: Medium pressure
»	Configuration Type: Inline
»	Inch/Metric: Inch
»	Material: 316 Stainless steel
»	Cracking Pressure: 20 psig (1.38 bar)
»	Parker Group: Instrumentation
»	Pressure Rating: 15,000 psi (1034 bar)

Inlet Connection

QS250 (2) QS375 (2) QS562 (2) QS750 (2)

Outlet Connection

QS250 (2) QS375 (2) QS562 (2) QS750 (2)

CV Factor

0.15 (2) 0.63 (2) 2.3 (2) 4.7 (2)

Operating Temperature

0 F to 400 F (-17.8 C to 204 C) (1) 0 F to 650 F (-17.8 C to 343 C) (1)

Orifice size

0.188 Inch (4.78mm) (2) 0.250 Inch (6.4mm) (2) 0.359 Inch (9.1mm) (2) 0.516 Inch (13.11mm) (2)

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View Variants »Autoclave Engineers Medium Pressure Ball Check Valve - QS

View Variants »Autoclave Engineers Medium Pressure O-Ring Check Valve - QS

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