4000 Series Quarter-Turn Valves are an excellent choice for today's most demanding high purity applications. The Quarter-Turn valve handle gives clear indication of open/closed position.

Series 4000: Diaphragm Sealed Quarter-Turn Valves
	Specifications
	Pressure Range: vacuum to 3000 psig (207.8 bar) Temperature Range: -65°F to +149°F (-54°C to +65°C) Valve Seat: KEL-F Style: straight, 90°angle and "T" configurations available Typical leak rate less than 2 X 10-8 cc/sec He. High Purity, Low Diffusion Flow coefficient Cv:0.16
	Features of Stainless Steel Quarter-Turn Valves
	Electropolished to EMS 15 (except with NPT connectors) Cleaned for oxygen service