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AVK KNIFE GATE VALVE, CTC

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

Mamoun Humayra, AVK UK Product Manager - Water

Mamoun Humayra

Water Product Manager

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

Downloads

Related Datasheets
Price list
Datasheet
Animation
AVK_Knife_gate_valve_animation.mp4

Reference nos. and dimensions:

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Ref. no. DN
mm		 Flange
drillling		 L
mm		 H
mm		 H3
mm		 D
mm		 W
mm		 Test pressure
bar		 Working Pressure
bar		 Theoretical
weight/kg
702-0050-10-0000141 50 PN10 43 292 357 175 131 15 10 6.7
702-0065-10-0000141 65 PN10 46 317 389 175 143 15 10 8.2
702-0080-10-0000143 80 PN10 46 361 453 225 184 15 10 12
702-0100-10-0000152 100 PN10 52 396 497 225 202 15 10 14
702-0125-10-0000154 125 PN10 56 432 547 225 230 15 10 19
702-0150-10-0000155 150 PN10 56 523 658 300 270 15 10 29
702-0200-10-0000031 200 PN10 60 623 788 300 331 15 10 44
702-0250-10-0000031 250 PN10 68 729 927 300 397 15 10 62
702-0300-10-0000028 300 PN10 78 858 1084 400 452 15 10 86
702-0350-10-0000031 350 PN10 78 951 1210 400 518 9 6 124
702-0400-10-0000020 400 PN10 90 1059 1347 400 576 9 6 160
702-0450-10-0000025 450 PN10 90 1206 1479 500 546 6 4 228
702-0500-10-0000017 500 PN10 95 1308 1657 500 698 6 4 279
702-0600-10-0000017 600 PN10 105 1497 1905 500 817 6 4 374
3D drawings
Enquiry
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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

  • Standard flange drilling to EN1092 (ISO 7005-2), PN 10/16

  • Drinking Water Inspectorate Regulation 31 compliant

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