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AVK DOUBLE ECCENTRIC BUTTERFLY VALVE, PN 16

IP67 gearbox w. act. flange/pos. ind., SS seal ring/SS-4057 shaft, intgr. seat, A2 fasteners

Contact

AVK Saudi Valves

Jeddah Industrial City, Phase 4, Street no 45 P.O. Box 10830, 21443 Jeddah 24/7 Leakage Repair Service +966 55 909 9395

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. The valves are suitable for bi-directional application.

Variant 756/102-142
Connection: Flanged
Material: Ductile iron
DN: DN150 - DN600
PN: PN 10/16
Closing direction: Clockwise to Close

Features

  • Double eccentric design releases the compression of the disc sealing after a few degrees of opening, which extends the durability and gives low operating torques
  • The disc is fixated to prevent wear and fluttering
  • The disc seal profile and rubber quality ensure low closing torques
  • All rubber parts are multi approved
  • Seal retainer ring of stainless steel
  • The threaded bolt holes in the disc are corrosion protected with O-rings
  • Machined and epoxy coated ductile iron seat integrated in the body
  • Shaft of stainless steel with self-lubricating bearings
  • The shaft ends are corrosion protected with a stainless steel security plate and a gasket
  • Replaceable shaft sealing with an EPDM O-ring on a stainless steel ring, a back-up EPDM O-ring in the housing.
  • Body and disc of ductile iron with epoxy coating to DIN 3476, RAL 5017

Downloads

Datasheet
Appendix
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		 D1
mm		 L
mm		 L1
mm		 L2
mm		 H2
mm		 W1
mm		 W2
mm		 W3
mm		 W4
mm		 W5
mm		 A
mm		 B
mm		 C
mm		 ISO
Flange		 Theoretical
weight/kg
756-0150-1-14002 150 PN10/16 20 210 - - 200 155 278 - - 122 216 176 F10 38
756-0200-1-14002 200 PN16 20 230 - - 226 182 297.5 - - 172 122 235 186 F10 51
756-0250-1-14002 250 PN16 20 250 - 1 260 215 331.5 - 6 172 122 269 196 F10 68
756-0300-1-14002 300 PN16 20 270 1 12 293 242 374.5 6 114 313 263 312 240 F10 83
756-0350-1-14002 350 PN16 20 290 19 25 318 272 400.5 155 176 313 263 338 250 F10 110
756-0400-1-14002 400 PN16 20 310 33 39 349 302 431.5 216 232 313 263 369 260 F10 166
756-0450-1-14002 450 PN16 20 330 47 53 389 332 498 269 283 320 269 403 203 F10 184
756-0500-1-14002 500 PN16 20 350 63 69 426 371 535 326 338 320 269 440 213 F10 240
756-0600-1-14002 600 PN16 20 390 92 98 502 435 657 424 435 406 355 532 235 F10 410
2D/3D drawings
Enquiry
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Components

1. Body Ductile iron GJS-500-7 (GGG-50)
2. Drive shaft Stainless steel 431
3. Bearing Bronze / PTFE composite
4. Cover Stainless steel
5. Key Stainless steel A2
6. Set screw Stainless steel A2
7. End cover Stainless steel
8. Disc Ductile iron GJS-500-7 (GGG-50)
9. Stub shaft Stainless steel 431
10. Spacer Bronze
11. Thrust bearing Bronze
12. End plate Ductile iron GJS-500-7 (GGG-50)
13. Washer Stainless steel A2
14. Bolt Stainless steel A2
15. Screw Stainless steel A2
16. O-ring EPDM rubber
17. Gasket EPDM rubber
18. Nut Stainless steel A2
19. Seal retainer ring Stainless steel
20. Seal ring EPDM rubber
21. Gearbox Cast iron

Test/Approvals

  • Hydraulic test according to EN 1074-1 and 2 / EN 12266 |
  • Seat: 1.1 x PN. Body: 1.5 x PN. 
  • Approved according to WRAS
  • Approved by SASO
  • Approved according to KIWA Certificate K 6320 (DN 700-800 only)
  • Approved according to DIN-DVGW Certificate NW-6201BR0451 (DN 700-1200 only)

Standards

  • EN 593
  • Face to face according to EN 558 Table 2 Basic Series 14
  • Flange drilling to EN1092-2 (ISO 7005-2), PN10/16
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