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AVK ECCENTRIC PLUG VALVE, AS4087/B5, 16 BAR

Flanged, bare shaft, for wastewater, NBR rubber, A4 bolts

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AVK Valves Company Hong Kong Ltd.

Unit 803, 8/F, Pilkem Commercial Centre, 8 Pilkem Street, Jordan, Kowloon Hong Kong

Resilient seated, quarter turn, eccentric plug valve with welded nickel seat, for wastewater and other neutral liquids to max. 70°C

AVK eccentric plug valves are quarter turn with obstacle-free bore, adapted for pump control shut-off and throttling service with bi-directional flow in applications where waste water is contaminated with particles or hydrocarbon residues. The plug is fully vulcanized with AVK’s own hydrocarbon resistant NBR rubber compound which due to its sturdy design, double bonding vulcanization and the rubber’s ability to regain its original shape features an outstanding durability. The valve seat is corrosion resistant, welded nickel with a full port design that allows for high flow capability, an ISO 5211 actuator flange is incorporated in the valve housing and fusion bonded epoxy coating protects internally and externally.

Variant 764/51-001
Connection: Flanged
Material: Ductile iron
DN: DN80 - DN300
PN: PN 16
Closing direction: Clockwise to Close

Features

  • Quarter turn with no shaft through the bore gives a quickly operated valve that is not clogged by stringy or fibrous objects in the water

  • Seat in 95% nickel, welded on the cast body for corrosion protection and extended life time
  • Round rubber bonnet gasket fits into a groove in the valve bonnet preventing it from being blown out by pressure surges
  • Bonnet gasket and plug rubber in hydrocarbon resistant NBR according to EN681-1
  • Bonnet bolts in stainless steel A4-70, encircled by the bonnet gasket and sealed with hot melt
  • Fusion bonded epoxy coating to AS 4158, AS 4020 compliance approved, blue RAL5017
  • V-type stem seal packing, easily adjustable during use
  • Self-lubricating, stainless steel backed, PTFE coated, bronze bearings along with upper and lower bronze washers ensures consistently low operating torque
  • Actuator mounting flange to ISO 5211
  • Rectangular port opening, full port area
  • Flange feet on large sizes for easy transport
  • Seals from both directions up to 16 bar
  • Plugs with integrated stems
  • Plug stem extensions with zinc plating for corrosion protection
  • Main stem seal and bearings are protected from particles and grit in the liquid by a triple lip integrated in the plug rubber coat pressing against the inside of the thrust bearing. Parallel to that an O-ring also seals the outside of the thrust bearing and the inside of the radial bearing

Downloads

Datasheet
Tender Text

Reference nos. and dimensions:

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AVK ref. no. DN
mm		 L
mm		 W
mm		 W1
mm		 W2
mm		 H
mm		 H3
mm		 F2
mm		 D2
mm		 Actuator
flange		 Key
 Theoretical
weight/kg
764-080-51-5301200000 80 203 200 57 19 170 304 34 25 F07 - 21
764-100-51-5301200000 100 229 230 69 24 190 347 39 28 F10 8X7X32 29
764-150-51-5301200000 150 267 285 96 25 224 418 40 35 F12 10X8X32 45
764-200-51-5301200000 200 292 345 107 29 309 591 54 45 F14 14X9X50 76
764-250-51-5301200000 250 330 405 135 30 367 704 59 55 F16 16X10X56 115
764-300-51-5301200000 300 356 485 152 32 419 821 65 60 F16 18X11X63 167
2D/3D drawings
Enquiry
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Components

1. ISO flange Ductile iron GJS-450-10
2. Cover Hot melt glue
3. Bolt Stainless steel A4-70
4. Bonnet gasket NBR rubber
5. Body Ductile iron GJS-450-10
6. Stud Stainless steel A4-70
7. Hex nut Stainless steel A4-70
8. Washer Stainless steel A4-70
9. Gland Ductile iron GJS-450-10
10. V-pack NBR rubber
11. Plug core Ductile iron GJS-450-10
12. Plug rubber NBR rubber
13. Thrust washer Bronze CC499K
14. O-ring NBR rubber
15. Bearing Bronze/PTFE composite
16. Seat Nickel

Test/Approvals

  • Hydraulic tests according to DIN EN 1074-1 and 5, cover:1.1×PN, body:1.5×PN

Standards

  • AWWA C517
  • Face-to-face dimension according to AS2638.2
  • Flange drilling to AS/NZS 4087 B5
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