R418 Series Stainless Steel Pressure Regulator
The R418 Series Stainless Steel Pressure Regulator features a single-stage diaphragm pressure reducing structure, delivering stable outlet pressure. It is designed for ultra-high flow applications, with a maximum flow capacity reaching 1,000 Nm³/h. It is recommended to install a high-flow precision filter upstream of this regulator.
Features
Single-stage pressure reduction design、Large 150 mm diameter diaphragm ensures excellent pressure regulation performance even under high flow conditions、Inlet/Outlet: DN50 SS316 Stainless Steel Slip-on Flanges、Cleaned with ultrapure water for clean flow path, suitable for 6N (99.9999% purity) high-purity gas applications、Gauge Port Connection: 1/4" FNPT
Typical Applications
Pressure regulation stations for high-purity gas / cryogenic storage tanks、Petrochemical industry、Reactor furnaces
Materials
Body: SS316 Stainless Steel、Upper Cap: SS304 Stainless Steel、Diaphragm: EPDM、Spring: SS316L Stainless Steel、Valve Poppet: SS316L Stainless Steel、Valve Seat: PTFE or EPDM、Built-in Filter Screen: 120 mesh
Specifications
Maximum Inlet Pressure: 230 PSIG, 800 PSIG、Outlet Pressure Range: 2–20, 5–50, 15–150, 20–200, 30–300 PSIG、Proof Pressure: 1.5 × Maximum Inlet Pressure、Leak Rate: 2 × 10⁻⁸ atm·cc/sec He、Operating Temperature: -40 °C to +74 °C、Flow Coefficient (Cv): 8.9 (at 230 PSIG Inlet) / 5.5 (at 800 PSIG Inlet)、Net Weight: 15 kg
