Lehry manufactures a cast iron dual plate check valve with the following specifications: Body made of IS 210 GR. Fg 200, Closure Plate (Disc) made of SS 304, Hinge Pin made of AISI 316, Stop Pin made of AISI 316, Spring made of stainless steel, Seat made of nitrile. The valve is manufactured in accordance with API 6D standards and inspected and tested according to API 6D standards. The valve ends are wafer type and suitable for ANSI 16.1 (150 #) and DIN 2532(PN 10)/DIN 2533 (PN 16). The valve is hydraulically tested with a pressure of 21kg/cmsq for the body and 16 kg/cmsq for the seat. The valve has a temperature rating of up to 90 deg^c with nitrile material