butterfly valve

API BUTTERFLY VALVE
we could supply the following valve,the Features is as follow:
1) Composed of wafer and flange
2) Uses: petroleum, chemical industry, industrial environmental protection,
water treatment, high rise buildings, water supply and draining
3) Reliable hermetic capability
4) High temperature resistant, long life, high antisepsis
5) Design standard: API609-83
6) Flange connection dimension: ANSI B 16.5
7) Structure length: ANSI B 16.10-1992
8) Pressure test: API 598-82