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AVK DOUBLE ECCENTRIC BUTTERFLY VALVE

ACC, Double Flange, PN16, AS/NZS 4087 B5, DN200-1200

AVK Wingfield Plant

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AVK Australia Civil

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

Double eccentric butterfly valve for drinking water and neutral liquids to max. 70°C

AVK double eccentric butterfly valves are designed with tilted disc for easy operation. The disc seal is made of AVK's drinking water approved EPDM rubber featuring an excellent compression set and ability to retain its original shape. The fully encapsulated shaft/disc connection ensures high durability and service life. The valves are suitable for bi-directional application.

Variant 756/242-001
Connection: Flanged
Material: Ductile Iron
DN: DN200 - DN1200
PN: PN16
Closing direction: Anti Clockwise Close

Features

  • Double eccentric design releases seal compression after only few degrees of opening resulting in low operating torque
  • Disc firmly fixed to the shaft to prevent fluttering and a slight tilt allows for precise adjustment of the closed position
  • Disc seal profile and rubber quality ensure low closing torque
  • Fasteners in stainless steel, A4
  • Shaft in duplex stainless steel and seal retainer ring in AISI 316 stainless steel
  • Replaceable seat ring in stainless steel 1.4401/AISI 316 pressed into the body (DN≤600) or fixed with bolts (DN≥700) and sealed with an O-ring
  • All threaded connections are sealed with O-rings for protection against medium and environment
  • Radial bearings in self-lubricating PTFE/bronze composite
  • Shaft ends DN≤600 fitted with an end cover that keeps the shaft in position against system pressure and seals the disc interior against corrosion
  • Shaft ends DN≥700 fully encapsulated in the disc and fixed with O-ring sealed dowels held in place with a security plate. Key and keyway as backup
  • Replaceable shaft seals with two EPDM O-rings; gaskets to the exterior in hydrocarbon resistant NBR
  • Coating protection according to AS/NZS 4158
  • IP68 Gearbox with Position Indicator

Downloads

Datasheet
Related Datasheets
Certificate(s)
Installation, Operation & Maintenance
Animation
AVK butterfly 756 2024.mp4

Reference nos. and dimensions:

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AVK ref. no. DN
mm		 Flange
drilling		 D
mm		 L
mm		 L1
mm		 L2
mm		 H2
mm		 W1
mm		 W2
mm		 W3
mm		 W4
mm		 W5
mm		 Theoretical
weight/kg
756-0200-2-5474297 200 AS2129 D 500 152 15 25 226 182 279 104 130 528 50
756-0250-2-5474297 250 AS2129 D 500 165 32 42 260 215 313 161 181 528 67
756-0300-2-5474297 300 AS2129 D 500 178 46 58 293 242 369 209 228 669 105
756-0350-2-A474297 350 AS2129 D/E 500 190 69 75 318 272 381 271 279 669 128
756-0375-2-5474297 375 AS2129 D 500 216 80 86 349 302 403 312 320 669 153
756-0400-2-A474297 400 AS2129 D/E 500 216 80 86 349 302 425 312 320 669 153
756-0450-2-5474297 450 AS2129 D 500 222 101 107 389 332 490 365 372 675 201
756-0500-2-A474297 500 AS2129 D/E 500 229 124 130 426 371 530 422 428 675 256
756-0600-2-5474297 600 AS2129 D 500 267 153 159 502 435 600 512 518 741 410
756-0700-2-5474297 700 AS2129 D 500 292 193 199 565 455 644 616 621 748 518
756-0750-2-5474297 750 AS2129 D 500 318 231 237 635 513 735 717 722 748 545
756-0800-2-A474297 800 AS2129 D/E 500 318 231 237 635 513 714 717 722 748 644
756-0900-2-A474297 900 AS2129 D/E 500 330 275 281 705 563 805 820 825 719 797
756-1000-2-5474297 1000 AS2129 D 500 410 285 291 785 628 921 894 899 875 1155
756-1200-2-5474297 1200 AS2129 D 500 470 348 354 874 743 1024 1072 1077 875 1652
2D/3D drawings
Enquiry
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Components

1. End plate Ductile iron GJS-500-7
2. Gasket EPDM rubber
3. Bearing Bronze
4. Seal housing Bronze
5. Shaft, stub Stainless steel 1.4462, duplex
6. Seal ring EPDM rubber
7. Disc Ductile iron GJS-500-7
8. Bearing Bronze
9. Shaft, drive Stainless steel 1.4462, duplex
10. Body Ductile iron GJS-500-7
11. Gearbox
12. Plug Steel
13. Pin Stainless steel 1.4462, duplex
14. Bolt Stainless steel A4
15. Disc cover Stainless steel 316
16. Seat ring Stainless steel 316L
17. Bolt Stainless steel A4
18. End cover Stainless steel 1.4462, duplex
19. Bolt Stainless steel A4
20. Key Stainless steel A4
21. Bolt Stainless steel A4
22. Valve seat ring Stainless steel 316

Test/Approvals

  • Approved according to KIWA Certificate K 6320 (DN 700-800 only)
  • Approved according to WRAS Certificate No. 1702367

Standards

  • Face-to-face dimension according to EN 558 Table 2 Basic Series 13
  • Flange drilling to AS/NZS 4087 B5
  • Materials according to AS 4795.2
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