Detailed description:
Series lugged worm gear butterfly valve
Size: 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, bs4504
Face to face: ANSI b 16.10, API 609, bs5155 short, ISO5752(series 13), DIN3202 f16
Top flange: ISO 5211
Normal 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, ss316
Disc: Ductile iron/ni-plated ductile iron/nylon-plated ductile iron/al-bronze/rubber lined disc/1.2501/1.4529/CF8/CF8m/hastelloy alloy/monel

Stem: 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/PTFE
Suitable temperature: Normal temperature -45 ~150
Medium: Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.