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AVK DOUBLE ECC. BUTTERFLY VALVE, SHORT, PN10/16

IP67 gearbox w. act. flange/pos. ind., intgr. seat, SS-shaft, A2 fasteners, 250µm EP coating

Double eccentric butterfly valve to EN 593 for neutral liquids like drinking water and treated waste water free from solids and fibrous impurities to max 70°C.

AVK double eccentric butterfly valves with tilted disc are designed for easy operation and long service life. The disc seal is made of AVK's drinking water approved EPDM rubber featuring an excellent compression set and ability to regain the original shape. The high quality epoxy coating and fully encapsulated shaft/disc connection ensure optimal corrosion protection and durability

Variant 756/202-007
Connection: Flanged
Material: Ductile iron
DN: DN200 - DN600
PN: PN 16
Closing direction: Clockwise to 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
  • All rubber parts drinking water approved by multiple institutes
  • Fasteners in stainless steel, A2
  • Stainless steel shaft
  • Machined and epoxy coated ductile iron seat integrated in the body
  • All threaded connections are sealed with O-rings for protection against medium and environment
  • Radial bearings in self-lubricating PTFE/bronze composite
  • Shaft ends 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 DN≤1600: Blue RAL 5017 FBE to DIN 3476, GSK and approved by WRAS-DVGW/W270/UBA, 250µm
  • Drinking water approved by DVGW and WRAS (DN≤1200)

Downloads

Datasheet
Certificate(s)

Reference nos. and dimensions:

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Reference no. DN
mm		 Flange
drilling		 D1
mm		 L
mm		 L1
mm		 L2
mm		 H2
mm		 W1
mm		 W2
mm		 W3
mm		 W4
mm		 W5
mm		 Theoretical
weight/kg
756-0200-2-04002014 200 PN10 15 152 18 28 227 182 308 107 134 158 54
756-0200-2-14002014 200 PN16 15 152 18 28 227 182 308 107 134 158 54
756-0250-2-04002014 250 PN10 15 165 34 44 261 215 342 164 184 158 73
756-0250-2-14002014 250 PN16 15 165 34 44 261 215 342 164 184 158 73
756-0300-2-04002014 300 PN10 15 178 47 58 292 242 373 209 227 158 102
756-0300-2-14002014 300 PN16 17 178 47 58 292 242 373 209 227 182 114
756-0350-2-04002014 350 PN10 15 190 70 76 318 272 398 271 279 158 130
756-0350-2-14002014 350 PN16 17 190 70 76 318 272 398 271 279 182 142
756-0400-2-04002014 400 PN10 17 216 82 89 349 302 434 313 322 182 179
756-0400-2-14002014 400 PN16 17 216 82 89 349 302 434 313 322 182 179
756-0450-2-04002014 450 PN10 17 22 102 109 390 332 471 365 374 182 216
756-0450-2-14002014 450 PN16 25 222 102 109 390 332 471 365 374 236 242
756-0500-2-04002014 500 PN10 17 229 124 130 418 338 499 420 427 182 240
756-0500-2-14002014 500 PN16 25 229 124 130 427 370 550 420 427 236 305
756-0600-2-04002014 600 PN10 25 267 155 161 481 393 613 514 521 236 308
756-0600-2-14002014 600 PN16 20 267 155 161 503 435 627 514 521 364 438
Enquiry
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Components

1. Body Ductile iron EN-GJS-500-7
2. Shaft Stainless steel AISI 420
3. Bearing PTFE
4. O-ring EPDM rubber
5. Screw Stainless steel A2
6. Cover Stainless steel
7. Gasket EPDM rubber
8. Key Stainless steel A2
9. Set screw Stainless steel A2
10. Gasket EPDM rubber
11. End cover Stainless steel
12. Screw Stainless steel A2
13. Disc Ductile iron EN-GJS-500-7
14. Shaft Stainless steel AISI 420
15. Spacer Bronze
16. Bearing Bronze
17. End plate Ductile iron EN-GJS-500-7
18. Washer Stainless steel A2
19. Bolt Stainless steel A2
20. Screw Stainless steel A2
21. O-ring EPDM rubber
22. O-ring EPDM rubber
23. Gasket EPDM rubber
24. Nut Stainless steel A2
25. O-ring EPDM rubber
26. O-ring EPDM rubber
27. Screw Stainless steel A2
28. Seal retainer ring Epoxy coated steel
29. Seal ring EPDM rubber
30. Gearbox Cast iron

Test/Approvals

  • Hydraulic test according to EN 1074-1 and -2 / EN 12266
  • Approved according to KIWA Certificate K 6320 (DN ≤ 800)
  • WRAS approved materials

Standards

  • EN 593
  • Face-to-face dimension according to EN 558, basic series 13
  • Flange drilling to EN1092, PN16
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