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Double orifice air valve

  

Main parts and materials

No.
Parts Name
Material
1
Body
Ductile Iron
2
Float Ball
Plastic ABS
3
Bolt
Steel
4
Ball Seal Large Orifice
EPDM
5
Larfe Orifice Cover
Ductile Iron
6
Dust Cap
Ductile Iron
7
Nut
Steel
8
Washer
Steel
9
float Ball
Plastic ABS
10
Screw Plug
Steel
11
Ball Seal Large Orifice
EPDM
12
Gasket
EPDM
13
Bolt
Steel
14
Seated Orifice
EPDM
15
Screw Plug
Brass
16
Small Orifice
Ductile Iron
17
Nut
Steel
18
Washer
Steel

Outline and connecting measurement

DN
D
D1
D2
B
f
n-d
H
A
80
200
160
132
19
3
8-19
244
283
100
220
180
156
19
3
8-19
270
302
125
250
210
184
19
3
8-19
323
353
150
285
240
211
19
3
8-23
323
353
200
340
295
266
20
3
12-23
401
433

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