SR 4 High Pressure Single Stage Piston Regulators, Oxygen, CGA 540, 3,000 psig

Features: High pressure | Dead-end testing | May be panel mounted | Single stage design | Piston type actuation | All SR 4 series regulators have a swaged lock type stainless steel outlet fitting | Cartridge type seat assembly with PCTFE seat | Delrin cap bushing for smooth adjustments | External adjustable relief valves on F and G range models | Hydrogen models have ventable relief valves