Product Description: 3'' & 4'' YORK Non return valve-Check Valve
Suitable for domestic water services, heating and air-conditioning plants, compressed air systems.
They can be installed in any position: vertical, horizontal, oblique.
Body in brass.
Plate in polymer.
Washer in NBR.
Spring in stainless steel.
Minimum and maximum working temperatures: -20°C, 100°C.
Threads: ISO228 (equivalent to DIN EN ISO 228 and BS EN ISO 228).
Made in Italy
