Product Description
“Didtek DIN Lift Check Valves are manufactured to the latest edition of EN 10739 and tested to EN12266. Applicable Standards: – Design DIN3352 – Face to face EN 558-1 – End flanges EN 1092-1 – Butt welding ends EN 12627 – Inspection and test EN 12266-1 Pressure Rating: – PN16~PN100 Temperature Range: – -50°C~650°C Size Range: – DN40~DN900 Design Description: – Bolted bonnet and Pressure Seal – Seat in stellite or 13%Cr – Flange Ends – Butt-welding Ends – One piece body – Unidirection”