Product Name: Double Stage Regulator Model NO.: CR31 Material: Stainless Steel Structure: Diaphragm Valve Seat: Double-Seat Connection: Thread Temperature: Ordinary Temperature Certification: CE Trademark: CSHERUN Transport Package: Cartoon Specification: 1.4kg Origin: China HS Code: 8481100090 Product Description ApplicationsLaboratoryGas ChromatographGas LaserGas bus-barPetrochemical industryTested instrumentationApplied to high pure gas, standard gas, corrosive gasSpecification:Max inlet pressure:500, 3000 psiOutlet pressure:0~25, 0~50, 0~100, 0~250psiSafety testing pressure: 1.5 times of max. inlet pressureWorking temperature: -40ºF~+165ºF (-40~+74ºC)Leakage rate: 2*10-8 atm cc/sec HeCv: 0.06Standard versionFive hole design of the bodyTwo -stage reduce Structure.Use hard-seal between body and diaphragmBody Thread: input and output connection 1/4" NPT F&bsp; MaterialBody: 316L, BrassBonnet:316L, BrassDiaphragm:316LStrainer: 316LSeat: PTFESpring:316LStem:316LOptional Outlet : needle valve , diaphragm valveMounting: Panel mountable or wall mounting available