Tianjin Exxon Valve Co.,Ltd,Website:http://www.aksvalves.com, with professional factory, is one of the leading China 150lb butterfly valve manufacturers, we are able to offer you cheap 150lb butterfly valve, wafer butterfly valve. Welcome to wholesale products from us.150lb lug butterfly valveValves size from 2" to 48", and connection ways can be lugged or semi-lugged wafer style, double flanged style, single flanged style, etc. Working pressures range can be from 150 to 250 psig. Body materials can be cast iron, ductile iron, stainless steel, wcb, etc, and the dis materials can be ductile iron (nickel coated cast iron and nylon coated cast iron are available). Valve seat materials consist of neoprene, silicone, hypalon, viton, buna n, and EPDM.Detailed description:Series lugged worm gear butterfly valveSize: Dn40-dn1200/1.5"-48"End flange: ANSI b 16.1, ASTM b 16.47, en 1092, as 2129, ISO pn10/16, JIS b2212/2213, bs 10 table d, bs 10 table e, bs4504Face to face: ANSI b 16.10, API 609, bs5155 short, ISO5752(series 13), DIN3202 f16Top flange: ISO 5211Normal pressure: Dn40-dn600(1.5"-24") pn1.0/1.6mpa(150/200psi) dn700-dn1200(28"-48") pn1.0mpa(150psi)Body: Cast iron/ductile iron/wcb/carbon steel/al-bronze/CF8, ss304/CF8m, ss316Disc: Ductile iron/ni-plated ductile iron/nylon-plated ductile iron/al-bronze/rubber lined disc/1.2501/1.4529/CF8/CF8m/hastelloy alloy/monelStem: Ss416/ss304/ss316/ss431/17-4pH/monel/carbon steel 45/45#Seat: NBR/hypalon/EPDM/neoprene/nr/wear-resistant EPDM/viton/silicon/heat-resistant EPDM/white EPDM/EPDM/PTFESuitable temperature: Normal temperature -45 ~150Medium: Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.