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AVK AIR RELIEF VALVE, ANTI-SLAM, EN1092, 16-40 BAR

Fox 3F-AS, full bore for clean water, A2 Delta Seal GZ fasteners, 250µm blue RAL5005 EP coating

CHAN

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Chan Chee Leong

Senior Manager, Sales and Marketing

Air relief valve for clean water and neutral liquids to max., 70°C

AVK anti water hammer combination air valves ensure the proper operation of the pipeline network allowing the release of air pockets during working conditions, the entrance of large volumes of air during draining operations and pipeline bursts. The air is discarged with controlled speed, to prevent water hammer. The valve is generally used near pumps, where there are changes in slope ascending and at high points where the pipeline is subjected to water hammer.

Variant 861/01-001
Connection: No connection type specified
Material: Ductile iron
DN: DN25 - DN250
PN: PN 10/40

Features

  • Single chamber body in ductile cast iron, PN40 bar rated.
  • Internal ribs ensure a consistant and accurate guiding of the mobile block.
  • Drainage valve for chamber control and pressurerelief during maintenance.
  • Mobile block made of a cylindrical float and upper disc in solid polyprolylene, joined together by the air release system in AISI 316. The cylindrical floats are solid which prevents deformation and ensure great precision when moving inside the chamber.
  • Nozzle and gasket holder are wear resistant due to the gasket compression control.
  • Easy maintenance without removing the air valve from the pipesystem.
  • The Anti water hammer system consists of a spring and shaft in stainless steel and a disc with adjustable nozzels for control of the air flow. Thereby the system is never in concact with the water.
  • 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.

 

 

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Datasheet

Reference nos. and dimensions:

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Reference no. Gross Price
MYR		 DN
mm		 Flange
drilling		 PN
Class		 L
mm		 H3
mm		 Theoretical
weight/kg		 Notes
861-0025-01-0911 2,752 25 PN40 117 240 4.0 1" BSP thread
861-0025-01-1911 price on request 25 PN40 117 295 4.0 1" BSP thread
861-0025-01-2911 price on request 25 PN40 117 240 4.0 1" BSP thread
861-0050-01-0111 4,128 50 PN10/16 PN40 165 305 9.5
861-0050-01-0911 3,538 50 PN40 141 295 7.5 2" BSP thread
861-0050-01-1711 price on request 50 PN25 PN40 165 305 9.5
861-0050-01-1911 price on request 50 PN40 141 295 7.5 2" BSP thread
861-0050-01-2811 price on request 50 PN40 PN40 165 305 9.5
861-0050-01-2911 price on request 50 PN40 141 295 7.5 2" BSP thread
861-0080-01-0111 5,267 80 PN10/16 PN40 210 315 14
861-0080-01-1711 price on request 80 PN25 PN40 210 315 14
861-0080-01-2811 price on request 80 PN40 PN40 210 315 14
861-0100-01-0111 7,207 100 PN10/16 PN40 235 370 22
861-0100-01-1711 price on request 100 PN25 PN40 235 370 22
861-0100-01-2811 price on request 100 PN40 PN40 235 370 22
861-0150-01-0111 14,413 150 PN10/16 PN40 305 515 45
861-0150-01-1711 price on request 150 PN25 PN40 305 515 45
861-0150-01-2811 price on request 150 PN40 PN40 305 515 45
861-0200-01-0011 22,667 200 PN10 PN40 375 625 85
861-0200-01-0111 22,929 200 PN16 PN40 375 625 85
861-0200-01-1711 price on request 200 PN25 PN40 375 625 85
861-0200-01-2811 price on request 200 PN40 PN40 375 625 85
861-0250-01-0011 38,585 250 PN10 PN40 450 785 134
861-0250-01-0111 38,585 250 PN16 PN40 450 785 134
861-0250-01-1711 price on request 250 PN25 PN40 450 785 134
861-0250-01-2811 price on request 250 PN40 PN40 450 785 134
Enquiry
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Components

1. Body Ductile iron GJS-450-10
2. Cap Ductile iron GJS-450-10
3. O-ring NBR rubber
4. O-ring NBR rubber
5. Seat Stainless steel AISI 304
6. Nozzle Stainless steel AISI 304
7. Upper part Polypropylene
8. Float Polypropylene
9. Studs Stainless steel A2
10. Nuts Stainless steel A2
11. Washer Stainless steel A2
12. Disc Stainless steel AISI 304
13. Screw Stainless steel A2
14. Drain valve Stainless steel AISI 303
15. Spacer Stainless steel AISI 304
16. Screen Stainless steel AISI 304
17. Nut Stainless steel AISI 303
18. Spring Stainless steel AISI 302
19. Shaft Stainless steel AISI 303
20. Disc Stainless steel AISI 304
21. Nut Stainless steel A2
22. Label 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 part 1
  • Flange drilling to EN1092, PN10/16/25/40
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