The APR1 series is a versatile, general purpose pressure reducing valve for semiconductor, laboratory, chemical analysis, instrumentation, etc. 

316L stainless steel body and stainless steel stem and adjusting handle to avoid environmental corrosion, 

High surface finish inside the body, 

A wide range of seat materials, internal diameters, and pressure ranges are available, 

Stainless steel diaphragm alloy provides excellent accuracy, sensitivity, and stable pressure set point. Reliability in pressure and flow control, 

Excellent accuracy, sensitivity, and stable pressure set point, 

Single-stage pressure reducing valves, 

Maximum inlet pressure: 6000 psig, 

Maximum operating temperature: 300°C, 

Outlet pressure ranges: 0-10, 0-25, 0-50, 0-100, 0-300 psig, 

Internal component materials: 
Seat: PCTFE, 
Diaphragm: Alloy 625, 
Filtering Element: 316L, 

Operating Temperature: -55℃~+300℃, 

Leakage Rate (Helium): 
Internal Leakage: <1x10-10mbar-l/s, 
External Leakage: <1x10-10mbar-l/s, 

Flow Coefficient (Cv): 0.06, 

Weight (Pressure Reducing Valve only): 0.9kg, 

Body Ports: 1/4" NPT female threads.