As a leading entity in we are, This sector dedicated to providing superior grade offerings high-grade selection made from cast iron parallel slide blow off valve. Technical construction material specifications for part s namematerialsspecificationsbonnetcast steelgrade A216 of ASTM specificationwcbbushbronzebs 1400, Lg, 2pinionbronzebs 1400, Lg, 2rackbronzebs 1400, Lg, 2gasketcaf,,, Bodycast steelastm a216 gr. Wcbbody seat rings. S. Aisi, 410female discs. S. Aisi, 410male discs. S. Aisi, 410springs. S. Aisi, 304bushbronzebs 1400, Lg, 2stuffing boxbronzebs 1400, Lg, 2studs & nutscarbon steelbs 916glandbronzebs 1400, Lg2gland packinggraphitedasbestos. .. Dimensions in mm dimensionnominal sizebdl, 1. 5th~25mm25. 4120. 717019. 0519740mm38. 1139. 826722. 225450mm50165. 130525. 4300