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GATE VALVE, CTC, PN25

Ductile iron body, EN1092 flange, EPDM rubber, A2 bolts, 250µm blue EP

AVK Valves India Pvt Ltd

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AVK Valves India Pvt Ltd

117 & 118, 1st Floor, Road Number 3 Vijayanagar, EPIP Phase I, Whitefield, Bengaluru, Karnataka 560066, India

Resilient seated gate valve to BS5163, for water and other neutral liquids including treated waste water free of solids and fibrous impurities to max. 70°C

AVK gate valves are designed with built-in safety in every detail. The wedge is fully vulcanized with AVK's own drinking water approved EPDM 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, the high strength stem and the thorough corrosion protection safeguard the unmatched reliability.

Variant 21/60-030
Connection: Flanged
DN: DN50 - DN400
Closing direction: Clockwise to Close

Features

  • Designed to BS 5163 with replaceable stem seal
  • Wedge nut designed as a fixed, integral part of the wedge which prevents vibration and ensures durability
  • Full circle thrust collar keeps the stem firmly lined up and ensures low operating torque
  • Wedge core fully vulcanized with drinking water approved EPDM rubber in a process that eliminates creeping corrosion underneath the rubber
  • A large conical stem hole going all the way through the wedge ensures circulation and prevents stagnant water
  • Triple safety stem seal with an NBR wiper ring outermost to protect against contamination from outside, in the middle two O-rings around the replaceable radial bearing, and innermost an O-ring is the main seal to the system pressure
  • Wedge shoes in PA and guide rails on the body make the wedge slide easily up and down regardless of differential pressure
  • Stem in 1-4021 stainless steel with wedge stop and rolled threads for high strength
  • Bonnet gasket in EPDM with a circular cross-section, fixed in a recess to avoid blow-out
  • Counterbored stainless steel, A2 bonnet bolts, sealed with hot-melt and encircled by the bonnet gasket
  • 250µm blue epoxy coating

Downloads

Datasheet
Appendix

Reference nos. and dimensions:

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Reference no. DN
mm		 L
mm		 L1
mm		 H
mm		 H1
mm		 W
mm		 D
mm		 D1
mm		 D2
mm		 No. of
bolts		 B
mm		 F
mm		 F1
mm		 Theoretical
weight/kg
21-050-60-0742 50 178 19 83 362 156 165 125 99 4 19 19 38 17
21-080-60-0742 80 203 19 100 394 156 200 160 132 8 19 19 38 18
21-100-60-0742 100 229 19 118 442 186 235 190 156 8 23 19 38 28
21-150-60-0742 150 267 20 150 579 253 300 250 211 8 28 24 42 47
21-200-60-0742 200 292 22 180 711 287 360 310 274 12 28 27 47 86
21-250-60-0742 250 330 25 213 827 372 425 370 330 12 31 27 47 116
21-300-60-0742 300 356 28 242 934 487 483 430 389 16 31 27 47 188
21-350-60-0742 350 381 30 296 1177 554 555 490 448 16 34 32 55 325
21-400-60-0742 400 406 32 310 1177 554 620 550 503 16 37 32 55 338
Enquiry
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Components

1. Stem Stainless steel 1.4021
2. Gland flange Ductile iron EN-GJS-500-7
3. Thrust collar Brass DZR CW602N
4. Bonnet Ductile iron EN-GJS-500-7
5. Bolt Stainless steel A2
6. Body Ductile iron EN-GJS-500-7
7. Wiper ring NBR rubber
8. Bolt Stainless steel A2
9. Washer Stainless steel A2
10. O-ring EPDM rubber
11. Bushing PA
12. O-ring EPDM rubber
13. O-ring EPDM rubber
14. Bonnet gasket EPDM rubber
15. Wedge nut Brass DZR CW626N
16. Wedge Ductile iron EN-GJS-500-7

Test/Approvals

  • Hydraulic test according to EN 1074-1 and -2 / EN 12266 |
  • Seat:1.1×PN(in Bar),Body:1.5×PN(in Bar).Operation torque test

Standards

  • Face-to-face dimension according to EN 558, basic series 3
  • Flange drilling to EN1092, PN25
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