Send the following on WhatsApp
Continue to ChatAVENTICS - 0821003028 - Pilot-operated non-return valve, Series NR02 (NON-RETURN VALVE G 1/2) https://www.valves-direct.com/product/aventics-0821003028-pilot-operated-non-return-valve-series-nr02-non-return-valve-g-1-2/