Cast iron boilers
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Bolted Bonnet, Outside Screw & Yoke type Rising Stem, Body & Bonnet : Cast Iron as per IBR 86 to 93 Gr. A, Handwheel : Cast Iron as per IS 210 Gr. FG 200, Gasket : Steam Joining Sheet as per IS 2712 Gr. W3,Hydraulic Test Pressure : Body 26 Kgcm2, Seat 17.3 Kgcm².