BWSX Cast Iron worm gear driven Fire Control signal Wafer center line Butterfly Valve

Group Butterfly valve
Min. Order 1 piece
Terms of Payment all
Update Time 2017-06-12
Item specifics
Nominal Pressure1.0/1.6/2.5MPa
Suitable MediumWater
Medium Temperature-10-+80℃
Test StandardGB/T13927-1992
Description

Brief Introduction


fire signal butterfly valve is concentric butterfly valve developed with the technology introduced from foreign country, with the advantage of simple structure, good seal performance, easy to open, long service life, easy to maintain. It is widely used in various pipelines for drainage, building fire control and so on. Especially in fire control pipeline. This signal valve can correctly show the open/close status of valve, so it is widely used in fire control system.




Specification



Nominal Pressure

1.0/ 1.6 /2.5 MPa

Nominal Diameter

50-400mm

Suitable Media

Water, Oil, Gas

Suitable Temperature

-10-+80

Seal Test Pressure

1. 1 times of nominal pressure

Strength Test Pressure

1. 5 times of nominal pressure





Main Material

1

Valve Body

Gray Cast iron, Ductile Iron, Cast Steel

2

Stem

Fine Carbon Steel 45#, Stainless Steel

3

Disc

Gray Cast iron, Ductile Iron, Cast Steel

4

Valve Seat

EPFM, PTFE

5

Bush

Bronze, PTFE

6

Seal Ring

NBR, EPDM

7

Ring Washer

Bronze, Stainless Steel

8

Split Collar

Bronze, Stainless Steel

9

Retainer Ring

Spring Steel





Dimension