8600 Series
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DATA SHEET Pressure Measurement Model 8601 Mechanical Pressure Regulator Model 8601 Pressure Regulator Model 8601 mechanical pressure regulators are compact, economical, high-precision supply pressure regulators. They are direct-acting, non-relieving units that provide bubble-tight shut-off on helium at 100 psi. • • • • • Compact design Suitable for line or panel mounting Pressure gauge connection Bubble-tight shut-off to 100 psi Replaceable stainless steel inlet filter element Product Specifications Capacity Max. Inlet Supply Pressure Max. Working Temperature Total Pressue Drop Connections Standard Seals & Fittings Fittings Dimensions Maximum Temperature Typical Characteristics Drift Supply Pressure Effect Flow Regulation Ambient Temperature Effect Base Line Oscillation Valve Adjustment & Oper.Range Materials of Construction Body Bonnet Valve Seat Valve Stem Diaphragm Range Spring Filter The pressure regulator is ideal for use at up to a maximum of 1,000 sccm air 150 psi (1,034 kPa) Standard: 140°F (60°C), Optional: 350°F (177°C) Minimum: 10 psi, Maximum: 150 psi Standard: 1/8” NPT; Optional 1/4” NPT, 1/8” or 1/4” compression fitting, 1/4” ID hose adaptors Brass w/Buna-N, Stainless Steel w/Viton fluoroelastomer 1/8” FNPT or 1/4” FNPT See Dimensions Figure 250°F/121°C Helium 60 psig supply, 50 psig output Less than 1% in first fifteen minutes to total of no more than 1.5% long term 0 psi increase in supply will not change output more than 0.07 psi 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) Standard 60 psi range, 0.020 psi/°F .0025 psi Fifteen turns for 0-10, 0-30, 0-60, 0-100, 0-150 psig output range Standard: Aluminum; Optional: 316 Stainless Steel Aluminum Standard: Brass; Optional 316 Stainless Steel 816 Stainless Steel Reinforced Buna-N, Viton-A® fluoroelastomers Music Wire, zinc plated 40 micron, 316L Sintered Stainless Steel with Viton fluoroelastomers or Buna retainer sleeve View Model 8601 Product

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Product Dimensions Brooks is committed to assuring all of our customers receive the ideal flow solution for their application, along with outstanding service and support to back it up. We operate first class repair facilities located around the world to provide rapid response and support. Each location utilizes primary standard calibration equipment to ensure accuracy and reliability for repairs and recalibration and is certified by our local Weights and Measures Authorities and traceable to the relevant International Standards. Visit www.BrooksInstrument.com to locate the service location...

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