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FISHER™ TYPE R622

Technical Specifications Category Specification Type Pilot-Operated Pressure Regulator Service Natural Gas, Inert Gases Pressure Ratings ANSI Class 150, 300, 600 Size Range 2" through 12" (50 mm through 300 mm) Connections Flanged (RF or RTJ) Maximum Inlet Pressure Up to 1440 psig (99 bar) depending on class Outlet Pressure Range Configurable from inches of water column to hundreds of psig Temperature Range -20°F to 150°F (-29°C to 66°C) Body Materials Carbon Steel (standard), Ductile Iron, Stainless Steel Trim Materials Stainless Steel Typical Applications City Gate Stations Industrial Plant Inlets Pipeline Pressure Control Storage Field Regulation Compressor Station Control Distribution System Pressure Reduction

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The Fisher Type R622 is a high-performance, pilot-operated pressure regulator designed for demanding natural gas pressure reduction applications. As a key product in Fisher's gas regulation portfolio, it is engineered to provide precise, reliable control in high-capacity systems such as city gate stations, industrial plant inlets, and pipeline distribution networks.