Brass Vacuum Relief Valve VR38 Series With Adjustable 0 To 30 In Hg Pressure, Three Eighths Inch Inlet NPT, Proportional Opening Rate, Stainless Steel Spring For Corrosion Resistance, Preset At 20 PSI And Up To 5 CFM Max Flow By Control Devices
✔️ Brass body with stainless spring; 3/8 NPT; preset 20 psi, 5 CFM
The VR38-100 vacuum relief valve features a brass body, stainless steel spring for corrosion resistance, nylon poppet, and nitrile seal. It’s designed for vacuum systems to prevent tank collapse during draining or SIP processes, with a proportional opening rate and adjustable relief from 0 to 30 inHg using a knurled adjustment screw and locking jam nut. Factory preset at 20 psi with a maximum flow of 5 CFM.
✅ Adjustable relief pressure: 0 to 30 inHg✅ 3/8 NPT inlet
✅ Brass body with stainless steel spring for corrosion resistance
✅ Nylon poppet with nitrile seal
✅ Proportional opening rate for smooth venting
✅ Factory preset at 20 psi, max 5 CFM
✅ Operating temperature up to 250°F
💡 What is a vacuum relief valve used for in industrial systems? Vacuum relief valves protect vessels and piping by venting excess vacuum and reseating when normal pressure returns. - Handy for SIP processes in food and pharma - Helps prevent tank collapse during draining or drying cycles - Brass body with corrosion-resistant stainless spring - Adjustable 0-30 inHg with 20 psi preset, 5 CFM