CI026 Cast Iron Air Release Valve Double Ball Type PN-16 (Flanged)
- Item Code: CI0026
- Pressure Rating: PN-10 & PN-16
- Testing Standard: Mfg. Standard
- Size Range: 25mm to 200mm
- Product Standard: Mfg. Standard
Suitable For
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Material Specification
CI026 Cast Iron Air Release Valve Double Ball
| P. NO. | NAME OF PART | MATERIAL |
|---|---|---|
| 1 | COVER PLATE | STEEL |
| 2 | BOLTS AND NUTS | CARBON STEEL (BS 916) |
| 3 | STUDS AND NUTS | CARBON STEEL (BS 916) |
| 4 | COVER | CAST IRON (BSEN 1561 Gr.200) |
| 5 | BODY | CAST IRON (BSEN 1561 Gr.200) |
| 6 | SEAT RING | SYNTHETIC RUBBER (IS 638 TYPE B) |
| 7 | BALL | EPDM COATED WOODEN BALL |
| 8 | PACKING RING | SYNTHETIC RUBBER (IS 638 TYPE B) |
| 9 | NIPPLE (RUBBER COATED) | GUN METAL (BSEN 1982 CC491K)/ STAINLESS STEEL (ASTM A182 Gr. F6a) |
| 10 | COVER | CAST IRON (BSEN 1561 Gr.200) |
Dimensional Data
| SIZE (mm) | 25 | 40 | 50 | 65 | 80 | 100 | 150 | 200 |
|---|---|---|---|---|---|---|---|---|
| ∅A | 115 | 150 | 165 | 185 | 200 | 220 | 285 | 340 |
| B | 16 | 18 | 20 | 20 | 22 | 24 | 26 | 26 |
| ∅C | 25 | 38 | 50 | 65 | 76 | 100 | 150 | 200 |
| ~D | 217 | 245 | 221 | 265 | 292 | 320 | 370 | 370 |
| E | 8 | 8 | 9.5 | 9.5 | 11 | 11 | 12.7 | 12.7 |
| F | 293 | 356 | 356 | 435 | 435 | 524 | 680 | 737 |
| P | 85 | 110 | 125 | 145 | 160 | 180 | 240 | 295 |
| n | 4 | 4 | 4 | 4 | 8 | 8 | 8 | 8 |
| ∅d | 14 | 19 | 19 | 19 | 19 | 19 | 23 | 23 |
Principle Features
INTRODUCTION
The inclusion of air in water can have a very considerable negative effect on the functioning of pipeline system, such as
- Reduction of flow
- Pressure fluctuations
- Water hammer
- Dry running of pumps
Leader Air Release Valve is typically designed to mount at the high points in a piping system to automatically remove pockets of air as they accumulate, The valve canals are used to slowly release air in tanks and pump casings.
- Foat-operated, a resilent-seated valve designed to handle clean fluids.
- Double Ball Type, EPDM Coated Wooden Balls.
- Used to release entrapped air in any piping system.
- Maintains system flow efficiency.
- Temper Proof design eliminates wastage of water.
- Flanges as per BS:4504 PN1O(FF) Drilled.
- An isolating valve must be provided below the air release valve to isolate it while doing the maintenance in the release valve.
- Widely accepted by Municipal Corporations, Irrigation Authorities, Water Supply Authorities, National Thermal Power Corporations, Nuclear Power Corporations, and Industrial users.
END CONNECTION
- Flanges as pr BS:4504 PN10 (FF) Drilled.
- Flange drilling as per other standards also available upon request.
UTILISATION & SERVICE
- Best suited for potable water & treated fresh water.
WORKING PRESSURE
- Maximum Working Pressure: 10 Bar.
- See Pressure / Temperature Diagram.
TEMPERATURE LIMITS
- Maximum Working Temperature: 80°C.
- See Pressure / Temperature Diagram.
TEST PRESSURE (Hydrostatic)
| Rating | PN-10 | PN-16 |
|---|---|---|
| Body (Hyd.) | 16 Bar | 24 Bar |
| Seat (Hyd.) | 11 Bar | 17.6 Bar |
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CI026 Cast Iron Air Release Valve Double Ball Type PN-16 (Flanged)
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