BODY ASTM A 216 Gr WCB | IS 210 Gr FG 200 TRIMS 13 Cr PISTON RING CAF 40 MFG STD MARCK | 018 INSP & TEST STD MARCK | 018 MAX. C.W.P 175 Psig (12.3 KgCm ²) ENDS FLANGED TO DIN 2533 (PN 16) HYD-TEST PRESSURE BODY : 341 Psig (24 KgCm ²) SEAT : 225 Psig (16 KgCm ²) SIZE RANGE 15 MM TO 200 MM