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Bronze Process Steam Pressure Regulators

Series 252A Process Steam Pressure Regulators are used in commercial, industrial, and institutional applications to regulate steam pressure in autoclaves, steam tables/irons, vulcanizers and large capacity process services. They are highly sensitive to reduced pressure changes. They have a bronze body construction with NPT threaded female inlet and outlet connections, stainless steel strainer, laminated metal diaphragm, and sensitivity adjustment feature for critical flow. Series 252A offers full volume with minimum pressure drop and in-line serviceability. It is ideal for use on sterilizers, process lines, testing fixtures, and oil lines. Tight seating Model 252A-T available for dead end and liquid services. Maximum Supply Pressure: Up to 300psi (21 bar).


  • Highly sensitive response to reduced pressure changes, with ability to maintain full volume without appreciable reduced pressure drop
  • Bronze body with stainless steel strainer screen, disc and stem guide
  • Serviceable in-line
  • Sensitivity adjuster eliminates vibrating that can arise due to critical flow requirements

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Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: