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AVK GATE VALVE, FLANGED, METAL SEATED, PN25

SS stem, gunmetal seat, S&C, A4 bolts, CTC/CTO, blue FBE/2-pack, by-pass

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AVK Valves Company Hong Kong Ltd.

Unit 803, 8/F, Pilkem Commercial Centre, 8 Pilkem Street, Jordan, Kowloon Hong Kong

Metal seat gate valves with rotating, non-rising stem. Operating direction clockwise to close or clockwise to open. For drinking water and neutral liquids to max. 70°C, and sewage without solid impurities. On DN350-600 operation is either by manual handwheel/gearbox or by electric actuation; on DN≥700 operation is possible only via gearbox or actuator that is able to support the axial thrust loads.

AVK metal seated gate valves are designed for isolation of pipeline sections or individual pieces of equipment. The use of a ductile iron body and gate with bronze seal rings creates a heavy duty, watertight seal. The non-rising stem design ensures the stem thread is adequately lubricated by the water passing through the valve, a factor that safeguards the longevity of the valve.
Variant 54/4344-003
Connection: Flanged
Material: Ductile iron
DN: DN350 - DN1000
PN: PN 25
Closing direction: Clockwise to Close or Clockwise to Open

Features

  • Gunmetal bronze valve seat
  • Metal faces machined to a high finish for optimum contact and minimum leakage
  • Stem in stainless steel
  • DN350-600 an NBR wiper ring protecting against impurities from outside; full circle brass thrust collar provides fixation of the stem and low free running torques; a replaceable polyamide bearing with two O-rings and independent O-ring stem seals
  • DN≥700 stuffing box with ample depth gives long life to the PTFE packing
  • Round body-bonnet O-cord gasket fixed in a recess to avoid blow-out
  • Full bore
  • Lifting holes for easy handling
  • All rubber and coating in contact with the water are drinking water approved
  • Copper alloy shoes and channels provide low friction guides for the wedge when opening and closing
  • DN350-800 protected by 250µm blue fusion bonded epoxy coating
  • DN≥900 protected by 250µm blue 2-pack epoxy coating
  • A by-pass valve is fitted to reduce differential pressure and facilitate operation

Downloads

Datasheet
Appendix
Installation, operation and maintenance manuals

Reference nos. and dimensions:

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AVK ref. no. DN
mm		 Operating
Direction		 Flange
drilling		 L
mm		 H1
mm		 H2
mm		 W
mm		 W1
mm		 F2
mm		 Actuat.
flange		 By-pass
DN		 Theoretical
weight/kg
54-0350-43-7141410 350 CTC PN25 572 834 278 952 653 189 F14 80 443
54-0350-44-7141410 350 CTO PN25 572 834 278 952 653 189 F14 80 443
54-0400-43-7141410 400 CTC PN25 610 910 310 1002 673 189 F14 80 569
54-0400-44-7141410 400 CTO PN25 610 910 310 1002 673 189 F14 80 569
54-0450-43-7141410 450 CTC PN25 660 995 335 1072 723 194 F14 80 699
54-0450-44-7141410 450 CTO PN25 660 995 335 1072 723 194 F14 80 699
54-0500-43-7141410 500 CTC PN25 711 1073 365 1113 723 194 F14 80 815
54-0500-44-7141410 500 CTO PN25 711 1073 365 1113 723 194 F14 80 815
54-0600-43-7141410 600 CTC PN25 787 1240 423 1186 734 194 F14 80 1210
54-0600-44-7141410 600 CTO PN25 787 1240 423 1186 734 194 F14 80 1210
54-0700-43-7143410 700 CTC PN25 810 1749 513 1432 885 177 F25 100 2208
54-0700-44-7143410 700 CTO PN25 810 1749 513 1432 885 177 F25 100 2208
54-0800-43-7144410 800 CTC PN25 810 1900 563 1507 910 195 F30 100 2567
54-0800-44-7144410 800 CTO PN25 810 1900 563 1507 910 195 F30 100 2567
54-0900-43-7344410 900 CTC PN25 810 2118 613 1673 1003 191 F30 100 3883
54-0900-44-7344410 900 CTO PN25 810 2118 613 1673 1003 191 F30 100 3883
54-1000-43-7344410 1000 CTC PN25 910 2273 680 1763 1033 235 F30 100 4439
54-1000-44-7344410 1000 CTO PN25 910 2273 680 1763 1033 235 F30 100 4439
2D/3D drawings
Enquiry
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Components

1. Body Ductile iron GJS-500-7 (GGG-50)
2. Seat ring Bronze CC491K (LG2)
3. Face ring Bronze CC491K (LG2)
4. Wedge Ductile iron GJS-500-7 (GGG-50)
5. Wedge nut Alu-bronze CC333G (AB2)
6. Stem Stainless steel 1.4057 (431)
7. O-cord EPDM rubber
8. Bonnet Ductile iron GJS-500-7 (GGG-50)
9. Air plug Stainless steel 1.4401 (316)
10. Key Steel C45 (1.0503)
11. Channel Copper alloy
12. Shoe Copper alloy
13. Bolts Stainless steel A4-70
14. By-pass valve
15. By-pass bend Ductile iron GJS-500-7 (GGG-50)
16. O-ring EPDM rubber
17. Stem cap Grey iron
18. Screw Stainless steel A2
19. Wiper ring NBR rubber
20. Bearing Polyamide
21. Seal housing Ductile iron GJS-500-7 (GGG-50)
22. Thrust collar Alu-bronze CC331G (AB1)
23. Thrust nut Alu-bronze CW307G
24. Distance piece Ductile iron GJS-500-7 (GGG-50)
25. Gland Ductile iron GJS-500-7 (GGG-50)
26. Packing PTFE
27. Gasket EPDM rubber
28. Stuffing box Ductile iron GJS-500-7 (GGG-50)

Test/Approvals

  • Hydraulic test according to EN 1074-1 and -2 / EN 12266

Standards

  • EN 1074 part 1 & 2
  • Flange drilling EN1092, PN25
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