Plast-O-Matic Series RVD Compact Economical Angle Pattern Pressure Relief Valves 1/4″ – 1/2″
Plast-O-Matic Series RVD Compact Economical Angle Pattern Pressure Relief Valves 1/4" - 1/2"
https://www.watercareproducts.com.sg/pressure-relief-valves/plast-o-matic-engineering-valves-controls/plast-o-matic-series-rvd-compact-economical-2-way-angle-pattern-inline-elastomer-diaphragm-pressure-relief-backpresure-valves