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Electric flange butterfly valve
   
   
Electric flange butterfly valve
Model:FLD941-16
Series:
Description

1. Product introduction

The electric flange butterfly valve is characterized by simple structure, small volume, light weight. The butterfly valve is full open or closed when the disc is rotated a quarter turn with good flow control characteristic.  It’s very small pressure from the disc when the butterfly valve is in full open position.  They are widely used in water supply, fire protection, air condition, environmental protection, food, light industry, electrical,  petroleum, papermaking and so on.

NO.

Part  Names

Material

1

Hex screw

1 Cr18Ni9Ti

2

Bonnet

QT450,        1Cr18Ni9Ti,             WCB

3

Spacer

1 Cr18Ni9Ti

4

Seat seal ring

stainless steel,  Flexible graphite,   PTFE

5

Spacer

1 Cr18Ni9Ti

6

Disc

QT450,           WCB,          1 Cr18Ni9Ti

7

Straight pin

45 steel,                           1 Cr18Ni9Ti

8

Bottom cover

QT450,     1Cr18Ni9Ti,         WCB

9

Spacer

stainless steel,   Flexible graphite,   PTFE

10

Bonnet bush

stainless steel composite bearing

11

Valve body

QT450,             1Cr18Ni9Ti,          WCB

12

Valve stem

 1Cr18Ni9Ti

13

Bracket 

QT450,              1Cr18Ni9Ti,            WCB

14

Key

45 stainless steel

15

Bonnet bush

stainless steel composite bearing

16

Packing

 Flexible graphite,                  PTFE

17

Gland

 Flexible graphite,                   PTFE

18

Bolt

35 stainless steel,                   1 Cr18Ni9Ti

19

Bracket 

1 Cr18Ni9Ti

20

Coupling

1 Cr18Ni9Ti

21

Actuator

Fosd series