Tamper Proof Air Valve

BODY COVER COWL CAST IRON, DUCTILE IRON, CAST IRON SEAT RING NITRILE | EPDM SMALL ORIFICE NIPPLE BRONZE (STANDARD) | STAINLESS STEEL SMALL ORIFICE BALL STAINLESS STEEL (STANDARD) | RUBBER LINED SEASONED TIMBER MFG STD IS 14845 | MARCK 016 MAX. C.W.P PN 10 | PN 1.6 ENDS FLANGED END TO IS 1538 | ASME B 16.5 HYD-TEST PRESSURE BODY : 225 PSIG (15 KGCM²) SEAT : 165 PSIG (11.5 KGCM²) SIZE RANGE 50 MM TO 200 MM