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AVK GATE VALVE, FLANGED, PN10/16

Ductile iron, EN 1092 flange, A2 bolts, stem cap, EPDM wedge rubber, GSK coating

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IRVAN HASUDUNGAN

WEST AREA SALES MANAGER SALES - WATER SUPPLY & WASTEWATER

Resilient seat gate valve for water and waste water. Temperature range: -10° C to +70° C. Max 10% solid matter.

The AVK series 21 are flanged, resilient seat gate valves with replaceable stem seal designed to the heavy duty BS5163 Type B standard for use in systems with drinking water, waste water or other neutral liquids.

Variant 21/36-002
Connection: Flanged
Material: Ductile iron
DN: DN50 - DN400
PN: PN 16
Closing direction: Clockwise to Close

Features

  • Cap top as standard
  • Fixed, integral wedge nut prevents vibration and ensures durability
  • Stem seal replaceable under pressure
  • The ductile iron core is fully vulcanized with drinking water approved EPDM rubber, no iron parts are exposed to the medium and the excellent rubber vulcanization prevents creeping corrosion underneath the rubber
  • The wedge has a large through bore and as there are no hollows in the core, stagnant water or impurities cannot collect and cause contamination
  • Stainless steel stem with rolled threads for high strength
  • Full circle brass thrust collar provides fixation of the stem and low free running torques
  • Double stem seal: a replaceable polyamide bearing with two O-rings and an O-ring on the stem
  • Round bonnet gasket fixed in a recess groove in bonnet preventing it from being blown out by pressure surges
  • Bonnet bolts encircled by the bonnet gasket to protect against contact with the fluid and against corrosion
  • Fusion bonded epoxy coating acc. to GSK, blue RAL 5017
  • Bonnet and gland bolts sealed with hot-melt for protection against corrosion

Downloads

Datasheet
Appendix
Tender Text

Reference nos. and dimensions:

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AVK ref. no. DN
mm		 Flange
drilling		 L
mm		 W
mm		 H
mm		 H3
mm		 F
mm		 F1
mm		 F2
mm		 Turns
to open		 Theoretical
weight/kg
21-050-36-2142064 50 PN10/16 178 173 83 411 28 35 63 5 14
21-065-36-2142064 65 PN10/16 190 185 93 422 28 35 63 6 16
21-080-36-2142064 80 PN10/16 203 200 100 437 28 35 63 7.5 17
21-100-36-2142064 100 PN10/16 229 220 110 469 28 35 63 8.5 19
21-150-36-2142064 150 PN10/16 267 285 143 591 28 35 63 12.5 34
21-200-36-2042064 200 PN10 292 340 170 705 28 35 63 16.5 52
21-200-36-2142064 200 PN16 292 340 170 705 28 35 63 16.5 52
21-250-36-2042064 250 PN10 330 422 200 872 28 35 63 21 85
21-250-36-2142064 250 PN16 330 422 200 872 28 35 63 21 84
21-300-36-2042064 300 PN10 356 455 228 983 28 35 63 25 117
21-300-36-2142064 300 PN16 356 455 228 983 28 35 63 25 116
21-350-36-2042064 350 PN10 381 564 253 1186 40 48 75 29 179
21-350-36-2142064 350 PN16 381 564 267 1200 40 48 75 29 212
21-400-36-2042064 400 PN10 406 565 283 1243 40 48 75 33 189
21-400-36-2142064 400 PN16 406 580 290 1250 40 48 75 33 217
Enquiry
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Components

1. Body Ductile iron GJS-500-7
2. Wedge rubber EPDM rubber
3. Wedge core Ductile iron GJS-500-7
4. Wedge shoe Polyamide
5. Wedge nut Brass
6. Stem Stainless steel 1.4021 (420)
7. Bonnet gasket EPDM rubber
8. Bonnet Ductile iron GJS-500-7
9. O-ring EPDM rubber
10. Bolt Stainless steel A2
11. Cover Hot melt glue
12. Stem cap Grey iron
13. Screw Stainless steel A2
14. Insert Plastic
15. Wiper ring NBR rubber
16. Gland flange Ductile iron GJS-500-7
17. Bearing shell Polyamide
18. O-ring EPDM rubber
19. Thrust collar Brass
20. O-ring EPDM rubber
21. Bolt Stainless steel A2

Test/Approvals

  • Hydraulic test according to 1.5 x PN
  • Materials approved according to WRAS

Standards

  • BS5163 Type B, EN 1074 part 1 & 2
  • Face-to-face dimension according to EN 558, Series 3
  • Flange drilling to EN1092, PN10/16
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