API butterfly valve
Product Sort:Butterfly valve>>Metallic seal Butterfly valve
Pressure:Class150LB-Class300LB
Size:2"-48"
Design Std:API
Product Material:Grey Cast Iron;Ductile Iron;Stainless steel; WCB;Bronze

Purpose and characteristic

The API series of butterfly valve has several connection types such as clamp,flange,welding,protruding ear type(socket around body).and uses 3-dimension eccentric structure.with almost no attrition between seat and disc.with Function of sealing tighter and tighter and no matter under condition of sub zero or high tem-Perature of high pressure all have fine sealing performance.lt is is widely utilzed in foodstuff,pharmacy,petroleum,chemical industry,light industry,textile,metallurgy,mine,energy etc,as well as construction,environmental protection,water supply and drainage piping for opening and dosing or as just capacity of medium.

Adopt stamdard :

Cibbect dunebsuib : ANSI B16.5a-92 MSS SP-44-91 API609-83
Face to face: ANsI B16.10-86 API 609-91 MSS SP-68-97
Oressyre test: APl 598-94 MSS SP44-91 APl609-83