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AVK AIR RELIEF VALVE, EN1092, 10-40 bar

Lynx 3F combat version, reduced bore for clean water, A2/A4 Delta Seal GZ fasteners, 250 µm blue RAL 5005 EP coating

AVK Valves India Pvt Ltd

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AVK Valves India Pvt Ltd

117 & 118, 1st Floor, Road Number 3 Vijayanagar, EPIP Phase I, Whitefield, Bengaluru, Karnataka 560066, India

Air relief valve for clean water and neutral liquids to max., 60°C. Used in applications as transmission lines, water distribution networks and for irrigation.

AVK Air Release Valve is designed for operation in water supply systems. Its innovative triple- action design efficiently expels large volumes of air, while continuously releasing smaller amounts that tend to accumulate at high points during normal operation. During pipeline drainage it allows air to enter, preventing the formation of a vacuum that could cause pipe collapse. The robust float is designed to withstand the impact of sudden water hammer; the valve provides a clear passage that maximizes discharge capacity. Additionally, the valve is equipped with a tamper-proof design, including a protective net and bolt nut-covered cowl on top, safeguarding against unauthorized access and ensuring long-term security and dependable operation.

Variant 861/10-001
Connection: No connection type specified
Material: Ductile iron
DN: DN50 - DN400

Features

  • Triple acting
    • Large air release during filling
    • Small air release under pressure
    • Large air intake during draining
  • High discharge capacity
  • Robust float design to withstand water hammer
  • Tamper proof Robust float design to withstand water hammer
  • Compact design
  • 250µm WRAS approved blue RAL 5005 epoxy coating
  • Easy to maintain
  • Cover in ductile iron and screen in stainless steel prevents materials and insects entering the valve. Outlet for submerged applications are optional
  • Working conditions 0.2 - 40 bar differential pressure
  • Combat version (epoxy seat / no drain plug)

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Datasheet

Reference nos. and dimensions:

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Reference no. DN
mm		 Flange
drilling		 PN
Class		 L
mm		 H3
mm		 Theoretical
weight/kg
861-0050-10-0111002 50 PN16 PN16 165 236 7.0
861-0050-10-0911002 50 PN16 PN16 117 231 5.0
861-0050-10-1711002 50 PN25 PN25 165 236 7.0
861-0050-10-1911002 50 PN25 PN25 117 231 5.0
861-0050-10-2811002 50 PN40 PN40 165 236 7.0
861-0050-10-2911002 50 PN40 PN40 117 231 5.0
861-0080-10-0111002 80 PN16 PN16 210 305 11
861-0080-10-1711002 80 PN25 PN25 210 305 11
861-0080-10-2811002 80 PN40 PN40 210 305 11
861-0100-10-0111002 100 PN16 PN16 235 303 14
861-0100-10-1711002 100 PN25 PN25 235 303 14
861-0100-10-2811002 100 PN40 PN40 235 303 14
861-0150-10-0111002 150 PN16 PN16 305 337 23
861-0150-10-1711002 150 PN25 PN25 305 337 23
861-0150-10-2811002 150 PN40 PN40 305 337 23
861-0200-10-0011002 200 PN10 PN10 375 515 55
861-0200-10-0111002 200 PN16 PN16 375 515 55
861-0200-10-1711002 200 PN25 PN25 375 515 55
861-0200-10-2811002 200 PN40 PN40 305 515 55
861-0250-10-0011002 250 PN10 PN10 450 625 101
861-0250-10-0111002 250 PN16 PN16 450 625 101
861-0250-10-1711002 250 PN25 PN25 450 625 101
861-0250-10-2811002 250 PN40 PN40 450 625 101
861-0300-10-0011002 300 PN10 PN10 485 735 127
861-0300-10-0111002 300 PN16 PN16 485 735 127
861-0300-10-1711002 300 PN25 PN25 485 735 127
861-0300-10-2811002 300 PN40 PN40 485 735 127
861-0350-10-0011002 350 PN10 PN10 580 850 251
861-0350-10-0111002 350 PN16 PN16 580 850 251
861-0350-10-1711002 350 PN25 PN25 580 850 251
861-0350-10-2811002 350 PN40 PN40 580 850 251
861-0400-10-0011002 400 PN10 PN10 660 995 304
861-0400-10-0111002 400 PN16 PN16 660 995 304
861-0400-10-1711002 400 PN25 PN25 660 995 304
861-0400-10-2811002 400 PN40 PN40 660 995 304
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Components

1. Screw Stainless steel AISI 304
2. Body Ductile iron GJS-450-10
3. Tag Stainless steel AISI 304
4. Nozzle Stainless steel AISI 316
4. O-ring NBR rubber
5. O-ring NBR rubber
6. Nuts Stainless steel AISI 304
7. Screen Stainless steel AISI 304
8. Cap Ductile iron GJS-450-10
9. Nuts Stainless steel AISI 304
10. Studs Stainless steel AISI 304
11. Spacer Stainless steel AISI 304
12. Washer Stainless steel AISI 304
13. Seat Steel, epoxy coated
14. O-ring NBR rubber
15. Screw Stainless steel A2
15. Upper part Polypropylene
16. Float Polypropylene
17. Label Stainless steel AISI 304
17. Drain valve Stainless steel AISI 304
18. Deflector Stainless steel AISI 304
19. Washer Stainless steel AISI 304

Test/Approvals

  • Hydraulic test according to EN 1074-1 and 4 / EN 12266
  • Approved according to EN 1074-1 and 4

Standards

  • AWWA C512, EN 1074-4
  • Flange drilling to EN1092, PN10/16/25/40
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