Summary: The Parker Denison R1V12-533-001-S5 is a discontinued pilot-operated hydraulic relief valve designed to regulate system pressure and protect components from overpressure. The following components have been identified as a replacement combination: R4V0657310A1 and S26-53511-0. The proposed replacement combination must be evaluated and verified for dimensional and functional compatibility with the original installation before it is accepted for use.
Applies to: Anyone identifying, quoting, or ordering replacement parts for the Parker Denison R1V12-533-001-S5 pressure relief valve.
FINAL ACCEPTANCE CRITERIA
- Original valve identified as no longer manufactured.
- Proposed replacement combination R4V0657310A1 + S26-53511-0 verified for dimensional and functional compatibility.
- Hydraulic and functional requirements verified to ensure suitability for the intended application.
- Customer-facing product information updated to communicate the discontinued status and the need for compatibility verification.
TECHNICAL BULLETIN
This bulletin clarifies the identification and discontinued status of the Parker Denison R1V12-533-001-S5 and provides replacement part references for evaluation. Before installation or final acceptance, the proposed replacement must be evaluated against the original application to verify dimensional compatibility and hydraulic functionality.
