AVK GATE VALVE, FLANGED

Flanged gate valve. Flanges according to EN 558 basic series 14. For gas -10°C to +60°C

AVK gate valves are designed with built-in safety in every detail and with full traceability of vital valve components. The wedge is fully vulcanized with AVK’s own oil and gas resistant NBR rubber compound. It features an outstanding durability due to the ability of the rubber to regain its original shape, the double bonding vulcanization process and the sturdy wedge design. The triple safety stem sealing system replaceable under pressure, the high strength stem and the thorough corrosion protection safeguard the unmatched reliability.

變種 06/70-003
連接 Flanged
材料 Ductile iron
DN 範圍 DN50 - DN300
PN類別 PN 16
關閉方向 Clockwise to Close

產品特點

  • Fixed, integral wedge nut prevents vibration and ensures durability
  • Wedge fully vulcanized with NBR rubber and equipped with wedge shoes to provide smooth operation
  • Wedge and body guide rails ensure stable operation
  • Stainless steel stem with wedge stop and rolled threads for high strength
  • Full circle thrust collar provides fixation of the stem and low free running torques
  • Triple safety stem sealing with an NBR wiper ring and four NBR O-rings in a stem seal nut of dezincification resistant brass replaceable under pressure
  • An NBR lip seal is the first seal against the media
  • Round NBR bonnet gasket fixed in a recess
  • Countersunk and sealed stainless steel bonnet bolts encircled by the bonnet gasket
  • Full bore
  • Low operating torque
  • Fusion bonded epoxy coating in compliance with DIN 3476-1 and EN 14901
  • DN 450-600 are fitted with stainless steel roller bearings providing low operating torques, ISO top flange F14 and eye lifting bolts

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Datasheet
Appendix
Tender Text
Certificate(s)
Installation, operation and maintenance manuals

參考編號 和尺寸

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Reference no. DN
mm
Flange
drilling
PS
bar
L
mm
H
mm
H1
mm
H3
mm
W
mm
F
mm
F1
mm
F2
mm
Theoretical
weight/kg
便条
06-050-70-01237 50 PN10/16 16 150 246 - 329 165 14 17 29 10
06-080-70-01237 80 PN10/16 16 180 297 - 302 200 17 20 34 15
06-100-70-01237 100 PN10/16 16 190 334 - 444 220 19 22 38 22
06-150-70-01237 150 PN10/16 16 210 453 - 596 285 19 22 38 36
06-200-70-01237 200 PN16 15 230 567 - 737 340 24 28 42 54
06-250-70-01237 250 PN16 12 250 664 - 864 400 27 31 47 80 Not ÖVGW approved
06-300-70-01237 300 PN16 10 270 740 - 968 455 27 31 47 116 Not ÖVGW approved
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組件

1. Stem Stainless steel 1.4104 (AISI 430F)
2. Wiper ring NBR rubber
3. Stem seal nut Brass DZR CW602N
4. O-ring NBR rubber
5. Bonnet Ductile iron EN-GJS-500-7
6. Thrust collar Brass DZR CW602N
7. Lip seal NBR rubber
8. Bonnet bolt Stainless steel A2, sealed with hot melt
9. Bonnet gasket NBR rubber
10. Wedge nut Brass DZR CW626N
11. Wedge Ductile iron, NBR encapsulated
12. Body Ductile iron EN-GJS-500-7
13. Key Stainless steel A2
14. Wiper ring NBR rubber
15. Gland flange Ductile iron EN-GJS-500-7
15. Bolt Stainless steel A2
16. O-ring NBR rubber
17. O-ring NBR rubber
18. Stem seal nut Brass DZR CW602N
19. Thrust washer Stainless steel 1.4104 (AISI 430F)
20. Roller bearing Stainless steel
21. Thrust collar Stainless steel 1.4104 (AISI 430F)
22. O-ring NBR rubber
23. Lip seal NBR rubber

批准

  • Hydraulic test to DIN 3230-5, PG 3 and EN 13774, Hydraulic test to DIN 3230-5, PG 3, Hydraulic test to DIN 3230-5, PG 3 and EN 13774, Hydraulic test to DIN 3230-5, PG 3 and EN 13774, Hydraulic test to DIN 3230-5, PG 3 and EN 13774
  • Production test to EN 13774, ref. EN 12266-1. Shell strength 1.5 x PS (water), shell tightness 1.1 x PS and 0.5 bar (air), seat tightness 1.1 x PS and 0.5 bar (air)
  • Approved according to DIN-DVGW Certificate NG-4313BO0281
  • Approved according to DVGW EC Certificate CE-0085BO0317
  • Approved according to ÖVGW Certificate G 2.711
  • Approved according to SVGW Certificate No. 08-068-5
  • Approved according to KIWA Certificate 65139/03

標準

  • EN 1171 (maximum pressure, PS, is specified in the table with references and dimensions), EN 13774
  • Face-to-face dimension according to EN 558, series 14
  • Flange Drilling according to EN1092-2
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