Specifications

1.DN50-1200(2"~48")
2.PN10/16(150/200PSI)
3.API, ANSI, ASME, DIN, BS,JIS, ISO approved
4.material:CI,DI,WCB,SS,ALB,brass,etc

worm gear flange type butterfly valve

Butterfly Valve Design and Features:

Series of butterfly valve used in food,beverage,water treatment chemicals,industrial enviroment,such sa highrise bulidings,water supply and drainage pipeline for open/close(seal) or adjust medium flux.

1.Simplestructure,small size,light weight and low installation dimensions.According to the types of body connection,they are basically classified to wafer type (including lug wafer type),flanged and welded.

2.Sealing materials may be soft or hard,plased on body or disc,to meet different working conditions,and to effect good seal and long life.

1) Soft sealing structure is applicable for single and double eccentric butterfly valves,pressure rating Class600.

Centered sealing structure is applicable for pressure ating≤Class 250.Sealing ring(PTFE)is placed on the valve body to feature the following

A)To effect dependable sea with no need of accessorial sealing ring or metal bracing ring.

B)Bidrectional leakproof seal.

C)Little maintenance and long service life.

Standard:

Performance:

Material List: