API BUTTERFLY VALVE


API BUTTERFLY VALVE


Our butterfly valves are structured to centered seal, single eccentric seal, double eccentric seal, triple eccentric seal,variable eccentric seal. Soft seal and metal seal


Size Range: 3"-120’’  

Pressure Range:150LB-600LB

Operation:Handweel,Gearbox,Actuated(hydraulic,pneumatic,electric and other special designs)

Application:Chemical,Petrochemical,Oil & Gas,Refining and Water Treatment Industry,etc;

                        ASTM Materials list of Butterfly Valve

 

No

 

Part Name

 

 

Carbon Steel to ASTM

 

 

Stainless Steel to ASTM

1

Body

A216 WCB

A351 CF8

A351 CF8M

2

Key

A182 F6a

SS304

SS316

2a

Pin

-

SS304

SS316

3

Stem

-

A182 F304

A182F316

4

Disc

A216 WCB

A351 CF8

A351 CF8M

5

Seal Ring

Graphite+304

-

-

6

Retainer Flange

A216 WCB

-

-

7

BoIt

A193 B7

-

-

8

Bolt

A193 B7

-

-

9

Cover

A216 WCB

-

-

10

Gasket

-

-

-

11

Bushing

PTFE+Bronze

-

-

12

Bushing

PTFE+Bronze

-

-

13

Packing Seat

SS

-

-

14

Packing

Graphite

-

-

15

Bolt

-

-

-

16

Packing Bushing

SS

-

-

17

Nut

-

-

-

18

Bolt

-

-

-

19

Yoke

Carbon Steel

-

-