Brooks Mechanical Pressure Regulator Model 8601

Model 8601 Pressure Overview OverviewOverview Product Featur oduct Featuroduct Features Mechanical Pressure Regulator Model 8601 Pressure Regulator DS-PR-8601-eng January, 2018 Brooks® 8601 Pressure Regulators are high precision supply pressure regulators which are direct-acting, non-relieving units that provide bubble-tight shut-off on helium at 100 psi. Compact and economical, these units are assembled in a “clean room” environment and are tested under simulated operating conditions. • Compact design • Suitable for line or panel mounting • Pressure gauge connection • Bubble-tight shut-off to 100 psi • Replaceable stainless steel inlet filter elementSpecifications 8601 Capacity CapacityCapacity The pressure regulator is ideal for use at up to a maximum of 1,000 sccm air Max. Inlet Supply Pressure 250 psi (1,724 kPa) Max. Working Temperature Standard: 140°F (60°C), Optional: 350°F (177°C) Total Pressue Drop Minimum: 10 psi, Maximum: 250 psi Connections ConnectionsConnections Standard: 1/8” NPT; Optional 1/4” NPT, 1/8” or 1/4” compression fitting, 1/4” ID hose adaptors Standard Seals & Fittings Brass w/Buna-N, Stainless Steel w/Viton fluoroelastomer Fittings FittingsFittings 1/8” FNPT or 1/4” FNPT Dimensions DimensionsDimensions See Dimensions Figure Maximum Temperature 250°F/121°C Typical Characteristics Helium 60 psig supply, 50 psig output Drift Less than 1% in first fifteen minutes to total of no more than 1.5% long term Supply Pressure Effect 10 psi increase in supply will not change output more than 0.07 psi Flow Regulation From 3 sccm to 70 sccm helium, output pressure will not decrease more than: 0.08 psig (0-10, 0-30 psi Regulators) 0.10 psig (0-60 psi Regulators), 0.125 psig (0-100 psi Regulators), 0.15 psig (0-150 psi Regulators), 0.175 psig (0-200 psi Regulators) Ambient Temperature Effect Standard 60 psi range, 0.020 psi/°F Base Line Oscillation .0025 psi Valve Adjustment & Oper.Range Fifteen turns for 0-10, 0-30, 0-60, 0-100, 0-150 or 0-200 psig output range Materials of Construction Body Standard: Aluminum; Optional: 316 Stainless Steel Bonnet Aluminum Valve Seat Valve SeatValve Seat Standard: Brass; Optional 316 Stainless Steel Valve Stem Valve StemValve Stem 316 Stainless Steel Diaphragm DiaphragmDiaphragm Reinforced Buna-N, Viton-A® fluoroelastomers Range Spring Music Wi Range Spring re, zinc plated Filter 40 Filter micron, 316L Sintered Stainless Steel with Viton fluoroelastomers or Buna retainer sleeve