Air Valve

Comply to BS 4504 - PN16
Range : Ductile Iron

Flange Drilling

Type
Single Small Orifice (Screwed End) - (DN20-DN25)
Double Orifice Kinetic - (DN50 - DN200)
Double Orifice Standard - (DN50 - DN200)

Coating
High solid epoxy coating standard, other coating on request.

Properties
Removable cover on top of valve body casing for easy inspection of bearings and movement of door.
No.        Part                                         Material Description
1
 Large Orifice Float ABS ISO 2580
2
 Ball Guide PVC
3
 Body Ductile Iron, BS EN 1563 Grade 500/7
4
 Body Stainless Steel 304
5
 Large Orifice Float Ductile Iron, BS EN 1563 Grade 500/7
6
 Air Release Nipple Brass BS 143/1256
7
 Bolt Stainless Steel 304
8
 Large Orifice Float Ductile Iron, BS EN 1563 Grade 500/7
9
 Bolt Stainless Steel 304
10
 Air Release Nipple Brass BS 143/1256
11
 Ball Guide PVC
12
 Small Orifice Float ABS ISO 2580
13
 Small Orifice Float Ductile Iron, BS EN 1563 Grade 500/7
                     DN50              DN80               DN100            DN150             DN200
DN
50
80
100
150
200
D1
99
132
156
211
266
D2
125
160
180
240
295
D3
165
200
220
285
340
B
20
20
23
23
23
b
3
3
3
3
3
n-ø
4ø19
8ø19
8ø19
8ø23
12ø23
H
205
225
260
315
480
L1
150
170
190
240
296
L2
76
82
93
119
148
L3
195
208
217
243
352