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Gate valve butterfly valve check valve structure analysis diagram, exploded diagram

Views:50     Author:hong     Publish Time: 2021-01-08      Origin:TFW VALVE

Gate valve butterfly valve check valve structure analysis diagram, exploded diagram

do you know? Many parts of the butterfly valve have a variety of optional materials, and the difference in materials is mainly related to the medium.

TFW Butterfly valve Exploded view

No.

Part Name

Material

1

Body

Carbon Steel/Stainless Steel/Cast Iron/Ductile Iron/ Al-Bronze

2

Disc

Al-Bronze/CF8M/Ductile iron/WCB

3

Seat

EPDM/PEFE/Buna/NBR/Hypalon

4

Stem

Carbon Steel/Stainless Steel314/Stainless Steel316

5

Bushing

PTFE/Lubricating

6

O ring

EPDM/PEFE/Buna/NBR/Hypalon

7

Pin

SS316/SS416/SS304


2.Gate valve is also like this, many parts have a variety of optional materials, the difference in materials is mainly related to the medium pressure environment.

TFW gate valve Exploded view

NO. Part Name Material
1 Body Cast Iron/Ductile Iron
2 Body Seat Ring Brass
3 Wedge Ductile Iron
4 Wedge Seat Ring Brass
5 Stem Nut Brass
6 Stem Stainless Steel
7 Bonnet Bolt Carbon Steel
8 Nut Carbon Steel
9 Washer Carbon Steel
10 Gasket NBR
11 Bonnet Cast Iron/Ductile Iron
12 O-Ring NBR
13 Locating Ring Brass
14 O-Ring NBR
15 Bonnet Nut Brass
16 Mini Pad PTFE
17 Dust Ring NBR
18 Wheel Ductile Iron
19 Washer Carbon Steel
20 Bolt Carbon Steel

3.The structure of the double-plate pair clamp check valve is relatively simpler.

TFW CHECK VALVE

1

Body

Cast Iron, Ductile Iron 
2 Plate Ductile Iron+Ni, CF8, CF8M, Bronze
3 Spring  Stainless Steel 
4 Hinge Pin  Stainless Steel 
5 Plug Canbon Steel 
6 Body Bearing  PTFE
7 Spring Bearing  PTFE
8 Stop Pin Stainless Steel 
9 Eye Bolt Canbon Steel 
10 Body Seat  NBR, EPDM, Viton, Neoprene

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