Plast-O-Matic Series RVDT Pressure Relief Valves 1/4″ – 4″
Plast-O-Matic Series RVDT Pressure Relief Valves 1/4" - 4"
https://www.watercareproducts.com.sg/pressure-relief-valves/plast-o-matic-engineering-valves-controls/plast-o-matic-series-rvdt-rvdtm-2-way-inline-ptfe-diaphragm-pressure-relief-backpresure-valves