日本Parker派克阀PV2204VN1FL04FL04T UHP Fluoropolymer ultra clean valves are made from PFA and PTFE for semiconductor liquid applications including high concentration acids and bases, clear chemistries and slurries. Technical Specifications Material Cover Type: PVDF Connection 2 Style: Flare Body Material: PFA Connection 2 Size: 1/2" Valve Size (Inch): 1/2" Connection 1 Size: 1/2" Connection 1 Style: Flare Diaphragm Material: Modified PTFE Connection Material: PFA Nut Housing Material: PVDF Housing Connection Thread Size (inch): 10-32 UNF Spring Material: SS, Fluoropolymer Coated Screw Material: SS Maximum Operating Pressure: 80 psig Actuation Pressure: 60 to 100 psig Operating Temperature: 32 to 212 °F, 0 to 100 °C Proof Pressure: 120 psig Burst Pressure: 200 psig Flow Rate: 2.3 Actuation: Pneumatic-Normally Closed Special Options: None