Air Valve triple function nonslam
Product Description
Combination Air Release Valve which is self-operating float type and can be fitted to any peak on a pipeline, capable of fulfilling the venting requirement of the pipeline and release any air or gas under pressure accumulated in the pipe system automatically.
Triple Functions & Anti-Shock Design
● discharge large air flow from water pipeline
● admit large air flow into water pipeline
● purge entrapped air from pipeline under pressure
Main Features
● Stainless steel float, SS304/SS316
● Smooth cage outside of the float, keep float moving in specified guide rail.
● Inside&outside fusion bond epoxy coating
● WRAS paint and rubber upon request
● Optional outlet for submerged applications
● Anti water hammer system
● Anti-insects screen (SS304)
● Full bore body design
● 100% water tightness
● low pressure sealing at 0.2bar
Comply Standards
● Hydrostatic tests to EN-12266-1, class A.
● Designed to EN-1074/4 and AWWA C-512
● Flanges to EN-1092/2 or ANSI-150
Service Fields
● water distribution system
● main transmission pipeline
● irrigation system
● fire fighting
Technical details
|
No. |
Component | Standard Material | Optional upon request |
|
1 |
Body | ductile cast iron GJS 500-7 | |
|
2 |
Bushing | stainless steel AISI 304 | stainless steel AISI 316 |
|
3 |
Floating Ball | stainless steel AISI 304 | stainless steel AISI 316 |
|
4 |
Disc | stainless steel AISI 304 | stainless steel AISI 316 |
|
5 |
Sealing Ring | NBR | EPDM |
|
6 |
O-Ring | NBR | EPDM |
|
7 |
Seat | ductile cast iron GJS 500-7 | |
|
8 |
Screen | stainless steel AISI 304 | stainless steel AISI 316 |
|
9 |
Cap | ductile cast iron GJS 500-7 | |
|
10 |
Stud | stainless steel AISI 304 | stainless steel AISI 316 |
|
11 |
Bolt | stainless steel AISI 304 | stainless steel AISI 316 |
|
12 |
Washer | stainless steel AISI 304 | stainless steel AISI 316 |
|
13 |
Guide shaft | CuZn39Pb1 Brass | stainless steel AISI 304/316 |
|
14 |
Shaft Nut | stainless steel AISI 304 | stainless steel AISI 316 |
|
15 |
O-Ring | NBR | EPDM |
|
16 |
Lock Nut | CuZn39Pb1 Brass | |
|
17 |
Sealing plug | Silcon rubber | |
|
18 |
Sealing sleeve | CuZn39Pb1 Brass | |
|
19 |
Screw | stainless steel AISI 304 | stainless steel AISI 316 |
|
20 |
Drain valve | stainless steel AISI 304 | stainless steel AISI 316 |
Dimensions
| SIZE | Height | Flange to EN1092-2 / BS4504 (mm) | ||||||||
| End Flange PN10/16 | End Flange PN25 | |||||||||
| DN | inch | H | D | K | n-d |
B |
D | K | n-d | B |
| DN50 | 2'' | 305 | 165 | 125 | 4-φ19 |
19 |
165 | 125 | 4-φ19 | 19 |
| DN65 | 2.5'' | 305 | 185 | 145 | 4-φ19 |
19 |
185 | 145 | 8-φ19 | 19 |
| DN80 | 3'' | 330 | 200 | 160 | 8-φ19 |
19 |
200 | 160 | 8-φ19 | 19 |
| DN100 | 4'' | 370 | 220 | 180 | 8-φ19 |
19 |
235 | 190 | 8-φ23 | 19 |
| DN150 | 6'' | 450 | 285 | 240 | 8-φ23 |
19 |
300 | 220 | 8-φ28 | 20 |
| DN200 | 8'' | 500 | 340 | 295 | 8-φ23 12-φ23 |
20 |
360 | 310 | 12-φ28 | 22 |
Designs, materials and specifications shown are subject to change without notice due to our continuing program of product development.
Flow Diagram
Air release during working conditions
Product Display
