AVK KNIFE GATE VALVE, CTC

Non-rising stem and handwheel, replaceable top packing gland, DN50-600

Knife gate valve with non-rising stem and handwheel for wastewater treatment 0°C to +80°C

AVK lug/wafer knife gate valves are bi-directional with full and plane bore. The protected sealings and high quality materials bring about a great performance and a long service life. AVK knife gate valves are available with lever, non-rising stem and handwheel, rising stem and handwheel, pneumatic actuator, ISO top flange for actuator or complete with electric actuator.

Variant 702/10-103
Connection: Flanged
Material: Ductile Iron
DN: DN50 - DN600
PN: PN 10

Features

  • Replaceable top packing gland enables sealing replacement without disassembly of the valve
  • The valve is self cleaning as particles will be pushed off the gate when opening the valve. For extra protection of the packing gland a scraper is available as an optional extra.
  • Bi-directional, can be installed independent of the flow direction
  • Full bore with no reduction of the flow
  • Plane bottom prevents sediment from being accumulated
  • No cavity in the body and thus no risk of clogging
  • U-shaped one-piece NBR sealing between the body parts makes up for tolerances in coating and casting. It is reinforced with a steel insert to protect it from being damaged during operation.
  • Encaged stem with yokes prepared for mounting of micro switches and inductive censors
  • Stem and gate connection is secured with self-locking nuts
  • Supports integrated in the body casting protect the gate from deflecting under pressure
  • Body of ductile iron with 150 μ fusion bonded epoxy coating. Optionally of acid-resistant stainless steel or duplex.
  • Gate, stem, bolts and nuts of acid-resistant stainless steel
  • Washers under the bolts protect the coating
  • Slim design and low weight
  • Approved according to the 97/23/CE European Pressure Equipment Directive
  • Approved according to the 94/9/94EC, ATEX Directive
  • Available in larger dimensions
  • Optionally in higher PN class

Reference nos. and dimensions:

Close Download package
AVK ref. no. DN
mm
Flange
drillling
L
mm
H
mm
H3
mm
D
mm
TP
bar
WP
bar
Theoretical
weight/kg
3D drawings Enquiry
702-050-10-134 50 PN10/16 43 292 356 175 15 10 7.0
702-065-10-134 65 PN10/16 46 317 388 175 15 10 9.0
702-080-10-134 80 PN10/16 46 361 451 225 15 10 11
702-100-10-134 100 PN10/16 52 396 496 225 15 10 15
702-125-10-134 125 PN10/16 56 432 545 225 15 10 19
702-150-10-134 150 PN10/16 56 523 658 300 15 10 30
702-200-10-034 200 PN10 60 623 789 300 15 10 45
702-250-10-034 250 PN10 68 729 928 300 15 10 65
702-300-10-034 300 PN10 78 858 1084 400 15 10 94
702-350-10-034 350 PN10 78 951 1208 400 9 6 128
702-400-10-034 400 PN10 90 1059 1321 400 9 6 161
702-450-10-034 450 PN10 90 1264 1547 500 6 4 265
702-500-10-034 500 PN10 95 1308 1631 500 6 4 278
702-600-10-034 600 PN10 105 1497 1910 500 6 4 380

Downloads

Datasheet (PDF)
Related Datasheets
Outline drawings
Price list

Components

1. Plate Carbon steel
2. Stem Stainless steel 316
3. Stem nut Bronze
4. Bolt Stainless steel A4
5. Top packing gland Ductile iron GJS-400-15
6. Packing NBR + PTFE
7. Bolt Stainless steel A4
8. Body Ductile iron GJS-400-15
9. Gate Stainless steel 316
10. U-shaped seal NBR encaps. steel
11. Bolt Stainless steel A4
12. Handwheel Steel
13. Washer Stainless steel A4
14. Bolt Stainless steel A4
15. Bearing Carbon steel

Standards

  • Face to face according to DIN/EN 558-1, series 20 (K1), up to and incl. DN 350
  • Standard flange drilling to EN1092 (ISO 7005-2), PN 10/16
  • Drinking Water Inspectorate Regulation 31 compliant

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