AVK KNIFE GATE VALVE, PN10

ISO top flange for mounting of electric actuator, replaceable top packing gland

Knife gate valve with rising stem and ISO flange prepared for el-act. for wastewater treatment 0°C to +80°C

Description

Key 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 100-150 μm UV resistant polyester coating, RAL 5017. Optionally of acid-resistant stainless steel or duplex
  • Yokes of carbon steel with coating 100-150 μm of plascoat PPA 571 Aqua
  • 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

 

 

Information

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 702/50-103
Connection: Flanged
Material: Ductile Iron
DN: DN200 – DN600
PN: PN 10

 

AVK KNIFE GATE VALVE, PN10 Component Image

AVK KNIFE GATE VALVE, PN10 Component Image 2

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

 

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

Additional information

Reference No.

702-0200-10-0000561, 702-0250-10-0000563, 702-0300-10-0000491, 702-0350-10-0000563, 702-0400-10-0000472, 702-0450-10-0000459, 702-0600-10-0000440

Brand

AVK

PN

PN10

Reference Nos. and Dimensions

Reference Number DN

mm

Flange

Drilling

L

mm

H3

mm

HC

mm

HO

mm

W

mm

Test pressure

bar

Working Pressure

bar

Theoretical

Weight kg

702-0200-10-0000561 200 PN10 60 1044 610 882 326 15 10 43
702-0250-10-0000563 250 PN10 68 1243 716 1044 395 15 10 61
702-0300-10-0000491 300 PN10 78 1445 834 1219 451 15 10 83
702-0350-10-0000563 350 PN10 78 1619 927 1362 518 9 6 122
702-0400-10-0000472 400 PN10 90 1800 1035 1510 576 9 6 157
702-0450-10-0000459 450 PN10 90 2030 1167 1717 618 6 4 235
702-0600-10-0000440 600 PN10 105 2527 1400 2115 817 6 4 397

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