Model 81-6-558 Series High Purity Stainless Steel  Dual Stage Regulator

Description High purity brass regulators designed for use with analytical applications.  Shown here with Protocol Station Applications Supply of carrier gas/detector support gas for a variety of gas chromatography applications (see table below for details) Supply of calibration standards to on-line process analyzers, emission monitoring systems, etc. High purity applications with corrosive gases requiring a constant delivery pressure Gas Chromatography Detectors requiring the 81-6-558 Series Regulators Detector Type Detection Level Regulator Flame Ionization Detector (FID) All levels Model 81-6-558 High Purity Stainless Steel Dual Stage Regulator Thermal Conductivity Detector (TCD) All levels Nitrogen Phosphorous Detector (NPD) All levels Flame Photometric Detector (FPD) All levels Photoionization Detector (PID) All levels Helium Ionization Detector (HID) All levels Electrolytic Conductivity Detector (ELCD or Hall Detector) Levels >50 ppm Electron Capture Detector (ECD) Levels >50 ppm Design Features/Components Dual Stage regulator delivers constant pressure even with a decreasing cylinder pressure High purity 316 Stainless Steel barstock bodies High purity 316 stainless steel diaphragms Metal to metal seals minimize diffusion of contaminants 2"stainless steel  inlet and delivery pressure gauges Equipped with stainless steel outlet diaphragm valve Bonnet ported and threaded to pipe gases away from work area ¼" compression tube outlet Porous metal filter protects seat from contamination Panel mountable Optional interstage relief valve available Materials of Construction Gauges: Stainless Steel Body: Stainless Steel barstock Bonnets: Nickel plated brass Diaphragms: 316 stainless steel Seats: 1st Stage--PFA Teflon® 2nd Stage--TFE Teflon® Seals: Metal to metal Specifications Maximum Inlet Pressure: 3000 psig (24,200 kPa) Maximum Flow Rate: (At 2500 psig, N2) Model 81-6-558-25: 70 SCFH (30 SLPM) Model 81-6-558-50: 150 SCFH (130 SLPM) Model 81-6-558-100: 300 SCFH (130 SLPM) Model 81-6-558-250: 500 SCFH (235 SLPM) Flow Capacity (Cv): 0.05 Operating Temperature: -40ºF to 165ºF (-40ºC to 74ºC) Porting: 1/4" NPT female Porting Configuration: 2 High, 2 Low Shipping Weight: 5 lbs Ordering Information Model* Delivery Pressure Range Delivery Pressure Gauge Cylinder Pressure Gauge 81-6-558-25CGA 0-25 psig 0-60 psig 0-4000 psig 81-6-558-50 CGA 0-50 psig 0-100 psig 0-4000 psig 81-6-558-100 CGA 0-100 psig 0-200 psig 0-4000 psig 81-6-558-250 CGA 0-250 psig 0-400 psig 0-4000 psig Vacuum Gauge Option Vacuum gauge available for 25, 50 and 100 delivery pressure ranges Note: Some CGA limitations may apply Options Model Description 4753-CGA Tee Purge Assembly 4774-CGA Cross Purge CON-0070-BO Swagelok® 1/4" Tube Fitting QC(CGA)-4-B Cylinder Quick Coupler Inlet ADP-0016-BA Bonnet Venting Adapter to 1/8" NPT 83000052 Protocol Station Stainless Steel KIT-0204-SA Bonnet Panel Mounting Kit (2) MSP-0012-XX Inboard Helium Leak Rate Certification MSP-0013-XX Combination Inboard/Outboard Helium Leak Rate Certification

 

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