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AVK RESILIENT SEAT SWING CHECK VALVE, PN10/16

BS 5153 short, lever/weight RH side SS-316 shaft, brass bushings, EPDM, A4 bolts, 300µm blue EP coating

CHAN

Contact

Chan Chee Leong

Senior Manager, Sales and Marketing

Resilient seat swing check valve to EN 1074 standard. For drinking water and neutral liquids to max. 70°C

AVK series 41 swing check valves come with both metal and resilient seats. Installed in pumping applications to prevent back flow they can be used for drinking water as well as waste water. The disc is connected to the shaft via a flexible bush that allows disc and valve seat to adjust exactly. All interior parts are stainless steel or coated with drinking water approved epoxy or EPDM. The series 41 valves are available with either closed bushings or protruding shaft end where a lever with a weight or a spring can be fitted to mitigate pressure surges.

Variant 41/22-001
Connection: Flanged
Material: Ductile iron
DN: DN50 - DN300
PN: PN 16

Features

  • Resilient seat provides a drop tight closure and due to the light weight it requires a minimum of force to open/close
  • Shaft fitted in the bonnet allowing for easy maintenance without removing valve from pipeline
  • Shaft material 1.4404 (AISI 316L) stainless steel
  • Position indicating lever with an adjustable weight that aids the disc in closing quickly to reduce water hammer
  • Hinge of stainless steel for sizes ≤ DN 200; ductile iron coated with drinking water approved epoxy for larger
  • Bonnet gasket in a groove between bonnet and body to prevent blow-out
  • All seals and coatings with contact to the fluid are approved for drinking water - coating is blue, 300µm fusion bonded epoxy
  • Disc design with a steel or ductile iron insert fully vulcanized with EPDM rubber
  • Bosses on each side of the valve seat allow for installation of pressure gauge, by-pass, etc.

Downloads

Datasheet
Certificate(s)
Animation
AVK_swing_check_valve_animation.mp4

Reference nos. and dimensions:

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AVK ref. no. Gross Price
MYR		 DN
mm		 Flange
drilling		 L
mm		 H3
mm		 W1
mm		 D
mm		 Dt
mm		 Dh
mm		 Ds
mm		 Number
of bolts		 Theoretical
weight/kg
41-050-22-0180106 2,702 50 PN10/16 203 203 160 165 102 125 19 4 16
41-080-22-0180106 2,110 80 PN10/16 241 236 160 200 138 160 19 8 20
41-100-22-0180106 2,616 100 PN10/16 292 260 175 220 158 180 19 8 24
41-150-22-0180106 4,565 150 PN10/16 356 354 220 285 212 240 23 8 45
41-200-22-0080106 price on request 200 PN10 495 416 240 340 268 295 23 8 76
41-200-22-0180106 6,596 200 PN16 495 416 240 340 268 295 23 12 76
41-250-22-0080106 price on request 250 PN10 622 572 415 406 320 350 23 12 162
41-250-22-0180106 15,961 250 PN16 622 572 415 406 320 355 28 12 162
41-300-22-0080106 price on request 300 PN10 699 640 415 460 370 400 23 12 213
41-300-22-0180106 18,388 300 PN16 699 640 415 460 370 410 28 12 213
Enquiry
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Components

1. Bolt Stainless steel A4
2. Nut Stainless steel A4
3. Washer Stainless steel A4
4. Bushing Polyamide
5. Disc Steel S235JR
6. Body Ductile iron GJS-500-7 (GGG-50)
7. Gasket EPDM rubber
8. Bolt Stainless steel A4
9. Pin Stainless steel A4
10. Hinge Stainless steel AISI 316
11. Key Stainless steel A4
12. Bonnet Ductile iron GJS-500-7 (GGG-50)
13. Washer Stainless steel A4
14. Thrust plate Stainless steel
15. Bushing, closed Brass DZR
16. Tab washer Stainless steel A4
17. Bolt Stainless steel A4
18. Shaft Stainless steel AISI 316L
19. O-ring EPDM rubber
20. O-ring EPDM rubber
21. Bushing, open Brass DZR
22. O-ring EPDM rubber
23. Lever Ductile iron GJS-500-7 (GGG-50)
24. Washer Stainless steel A4
25. Nut Stainless steel A4
26. Weight Cast iron GJL-250 (GG-25)
27. Screw Stainless steel A4

Test/Approvals

  • Seat: 1.1 x PN (in bar), Body: 2 x PN (in bar). Operation torque test.
  • Approved according to WRAS Certificate No. 1811031 to max. 50°C

Standards

  • EN 1074-3
  • Face-to-face dimension according to EN 558, Series 10
  • Flange drilling to EN1092, PN10/16
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