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AVK DOUBLE ECCENTRIC BUTTERFLY VALVE, PN10/16

Integral seat, IP67 gearbox, DN700-2800

AVK headquater in Skovby Galten, Denmark

Contact

AVK International A/S

Bizonvej 1, Skovby, 8464 Galten, Denmark

Double eccentric butterfly valve with integral seat and IP67 gearbox w/handwheel, 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 thus ability to regain its original shape. The high quality GSK/DVGW or WRAS approved epoxy coating and fully encapsulated shaft/disc connection ensure high durability. The valves up to DN2400 are suitable for bi-directional application, DN2600 and above must be operated uni-directional.

Variant 756/100-671
Connection: Flanged
Material: Ductile Iron
DN: DN700 - DN2800
PN: PN10/16
Closing direction: Clockwise to Close

Features

  • Machined and epoxy coated ductile iron seat integrated in the body
  • The double eccentric design combined with a tilted disc allows release of 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
  • All rubber parts are drinking water approved by multiple institutes
  • Fasteners in stainless steel A2
  • Stainless steel shaft and seal retainer 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 seals the disc interior against corrosion. 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 and an NBR gasket protecting against contamination from outside
  • Bi-directional operation up to DN2400 and uni-directional from DN2600 and above
  • Body and disc of ductile iron with fusion bonded epoxy coating 250µm RAL 5017 in compliance with DIN 3476 part 1 and EN 14901, approved by GSK and WRAS-DVGW/W270/UBA
    DN≥1800: Body and disc coated with 2-pack epoxy, blue RAL 5017 externally, ribbon blue or cream white internally, according to WRAS
  • IP67 Rotork gear with position indicator, operated by handwheel. Coated black RAL9005, 50-60µm. Input shaft, bolts and nuts in stainless steel AISI 303

Downloads

Datasheet
Appendix
Tender Text
Certificate(s)
Installation, Operation & Maintenance
Animation
AVK butterfly 756 2024.mp4
Guidelines

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		 Notes
756-0700-1-04 700 PN10 600 430 127 133 550 448 641 533 543 457 444
756-0700-1-14 700 PN16 700 430 127 133 550 455 641 533 543 517 517
756-0800-1-04 800 PN10 600 470 156 162 620 508 711 627 636 457 592
756-0800-1-14 800 PN16 700 470 156 162 620 513 711 627 636 517 663
756-0900-1-04 900 PN10 700 510 186 192 690 558 791 722 730 517 745
756-0900-1-14 900 PN16 700 510 186 192 690 563 791 722 730 570 874
756-1000-1-04 1000 PN10 700 550 216 222 770 615 871 816 824 530 974
756-1000-1-14 1000 PN16 600 550 216 222 770 628 871 816 824 570 1113
756-1200-1-04 1200 PN10 600 630 269 275 855 728 956 986 993 570 1442
756-1200-1-14 1200 PN16 700 630 269 275 855 743 956 986 993 591 1678
756-1400-1-04 1400 PN10 700 710 333 339 970 838 1071 1182 1189 570 2150
756-1400-1-14 1400 PN16 700 710 333 339 970 843 1119 1182 1189 591 2472
756-1500-1-04 1500 PN10 700 750 363 369 1070 893 1171 1274 1281 570 2606
756-1500-1-14 1500 PN16 700 750 363 369 1070 913 1219 1274 1281 591 3001
756-1600-1-04 1600 PN10 700 790 390 396 1145 958 1294 1359 1366 591 3187
756-1600-1-14 1600 PN16 700 790 390 396 1145 965 1294 1359 1366 631 3468
756-1800-1-04 1800 PN10 600 870 448 454 1220 1058 1369 1540 1547 734 3794
756-1800-1-14 1800 PN16 600 870 448 454 1220 1065 1398 1540 1547 734 4217
756-2000-1-04 2000 PN10 600 950 521 527 1382 1180 1547 1753 1760 734 5287
756-2000-1-14 2000 PN16 600 950 521 527 1382 1180 1560 1753 1760 734 5755
756-2200-1-04 2200 PN10 500 1030 576 582 1472 1275 1650 1926 1932 784 6534
756-2200-1-14 2200 PN16 600 1030 576 582 1482 1278 1657 1926 1932 810 8361
756-2400-1-04 2400 PN10 600 1110 633 639 1613 1380 1759 2103 2109 810 9370
756-2400-1-14 2400 PN16 600 1110 633 639 1584 1382 1753 2103 2109 810 11520
756-2600-1-04000 2600 PN10 600 1190 693 699 1820 1490 1980 2289 2295 826 11083 Uni-directional
756-2600-1-14000 2600 PN16 400 1190 693 699 1855 1535 2050 2289 2295 780 14111 Uni-directional
756-2800-1-04000 2800 PN10 600 1270 738 739 1921 1600 2080 2441 2442 780 12564 Uni-directional
BIM drawings
2D/3D drawings
Enquiry
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Components

1. Key Stainless steel A2
2. Valve shaft Stainless steel 431
3. Seal housing Bronze
4. O-ring EPDM rubber
5. O-ring EPDM rubber
6. Radial bearing Bronze / PTFE composite
7. Disc cover Stainless steel
8. Disc cover gasket EPDM rubber
9. O-ring EPDM rubber
10. Dowel Stainless steel A2
11. O-ring EPDM rubber
12. Blanking flange Ductile iron GJS-500-7
13. Body Ductile iron GJS-500-7
14. Disc Ductile iron GJS-500-7
15. Screw Stainless steel A2
16. Security plate Stainless steel
17. Screw Stainless steel A2
18. O-ring EPDM rubber
19. Spring washer Stainless steel A2
20. O-ring EPDM rubber
21. Washer Zinc
22. Nut Stainless steel A2
23. Washer Stainless steel A2
24. Screw Stainless steel A2
25. Screw Stainless steel A2
26. Thrust bearing Bronze
27. Screw Stainless steel A2
28. End plate Ductile iron GJS-500-7
29. Gasket EPDM rubber
30. Stub shaft Stainless steel 431
31. Safety key Stainless steel A2
32. Screw Stainless steel A2
33. Screw Stainless steel A2
34. O-ring EPDM rubber
35. Bolt Stainless steel A2
36. Washer Stainless steel A2
37. O-ring EPDM rubber
38. Seal retainer ring Stainless steel
39. Disc seal EPDM rubber
40. Gearbox Cast iron

Test/Approvals

  • Hydraulic test according to EN 1074-1 and 2 / EN 12266
  • Approved according to DIN-DVGW Certificate NW-6201BR0451 (DN≤1200)
  • Approved according to KIWA Certificate K 6320 (DN≤800)
  • Approved for drinking water according to WRAS Certificate No. 2307007 (DN900-1200)

Standards

  • Designed according to EN 593
  • Face-to-face dimension according to EN 558 Table 2 Series 14 (DN≤2000)/DIN 3202 - F4 (DN>2000)
  • Flange drilling to EN1092-2 (DN700-2000) / DIN2501 (DN>2000 PN10 body) / special drilling (DN>2000 PN16 body)
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