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CI026 Cast Iron Air Release Valve Double Ball Type PN-16 (Flanged)

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  • Item Code: CI0026
  • Pressure Rating: PN-10 & PN-16
  • Testing Standard: Mfg. Standard
  • Size Range: 25mm to 200mm
  • Product Standard: Mfg. Standard

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Material Specification

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)

 

ci026

Dimensional Data

ci026
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)
CI026 Cast Iron Air Release Valve Double Ball Type PN-16 (Flanged)
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