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AVK CONCENTRIC BUTTERFLY VALVE, WAFER TYPE, DN50-DN400

SS Disc, EPDM Liner, A4 Fasteners, PN16

AVK Wingfield Plant

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AVK Australia Civil

559A Grand Junction Road Wingfield SA 5013 Sales and Technical enquiry

Loose liner butterfly valve for neutral liquids like drinking water, river water and treated wastewater free from solids and fibrous impurities to max 70°C

The AVK Series 76 is a wide range of concentric, loose liner butterfly valves available in both wafer and lug design, fitted with AVK's high quality EPDM rubber liner that significantly increases the service life. The one-piece replaceable liner also serves as a profiled flange gasket and is also available in hydrocarbon resistant NBR. Disc material is stainless steel 316. The shaft in stainless steel, installed in low friction PTFE bearings in an anti-blow out design, plus the unique disc sealing profile, results in low operating torque and long life.

Variant 76/70-010
Material: Ductile Iron
DN: DN50 - DN400
PN: PN16

Features

  • Body in ductile iron, GJS 500-7
  • Loose, replaceable liner in drinking water approved EPDM with reinforced seating area and integrated, profiled flange gaskets
  • Shaft seal integrated in the liner
  • Anti-blow-out shaft design with an anti blow-out plate at the top and a plug at the bottom
  • Radial bearings in low friction stainless steel/PTFE composite
  • Shaft in stainless steel, 1.4057 (431)
  • Disc in cast stainless steel, 1.4408 (316L)
  • Slim disc design with internal hexagon for drive shaft connection
  • DN≤200: Hand lever with 8 position notch plate
  • DN>200: Self-locking handwheel operated worm gearbox
  • IP67 Rotork Gearbox
  • Blue RAL 5017 epoxy coating to AS/NZS 4158
  • Approved to AS/NZS 4020

Downloads

Datasheet
Tender Text
Certificate(s)
Installation, Operation & Maintenance

Reference nos. and dimensions:

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AVK ref. no. DN
mm		 Product
PN Class		 L
mm		 L1
mm		 F
mm		 F2
mm		 D
mm		 H1
mm		 H2
mm		 H3
mm		 W
mm		 ISO
Flange		 Theoretical
weight/kg		 Notes
76-0050-70-818702690301 50 PN16 83 43 12 12 67 125 65 246 258 F05 2.2
76-0065-70-818702690301 65 PN16 83 46 12 12 67 150 78 291 264 F05 2.8
76-0080-70-818702690301 80 PN16 83 46 12 12 67 157 85 306 268 F05 3.5
76-0100-70-818702690301 100 PN16 109 52 14 17 90 182 98 351 323 F07 5.3
76-0125-70-818702690301 125 PN16 110 56 14 19 92 201 114 384 328 F07 6.8
76-0150-70-818702690301 150 PN16 110 56 14 19 92 214 127 413 491 F07 8.1
76-0200-70-818702690301 200 PN16 110 60 14 23 92 245 157 476 518 F07 13 With lever
76-0200-70-818702690326 200 PN16 200 60 14 23 92 245 157 531 257 F07 14 With wormgear
76-0250-70-818702690326 250 PN16 220 68 14 28 130 283 194 608 310 F10 23
76-0250-70-818742690326 250 PN16 220 68 14 28 130 283 194 604 310 F10 23 Gearbox, centering holes according to AS2129 table D
76-0300-70-818702690326 300 PN16 220 78 14 28 130 308 219 674 365 F10 32
76-0350-70-818702690326 350 PN16 400 78 16 29 150 354 272 864 469 F12 50
76-0400-70-818702690313 400 PN16 400 102 20 29 175 383 301 919 583 F14 83
2D/3D drawings
Enquiry
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Components

1. Plate POM
2. O-ring NBR rubber
3. Ring POM
4. Rivet Stainless steel A4
5. Name plate Stainless steel 304
6. Body Ductile iron GJS-500-7
7. Bearing Stainless steel / PTFE coated
8. Shaft, drive Stainless steel 1.4057
9. Liner EPDM rubber
10. Disc Stainless steel 1.4408
11. Shaft, stub Stainless steel 1.4057
12. O-ring NBR rubber
13. Plug Stainless steel A4
14. Bolt Stainless steel A4
15. Lever PA 6.6
16. Notch plate Stainless steel 304
17. Washer Stainless steel A4
18. Nut Stainless steel A4
19. O-ring NBR rubber
20. Spacer PA 6.6
21. Gearbox Aluminium

Test/Approvals

  • Production test according to AS 4795.1 Body: 1,5 x PN, Sealing/Reverse: 1.1 x PN
  • StandardsMark approved to AS 4795.1
  • WaterMark approved to AS 4795.1

Standards

  • End connection to EN 1092-2 PN10/16, AS 2129 Table D/E, ASME B16.1 CL125/150
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