AVK CLEARWAY UNDERGROUND HYDRANT

DN80 PN16

Luka Helijic AVK

Luka Helijic

Business Development Manager - Air & Control Valves

AVK Clearway Underground hydrant, PN16, for water and fire protection: -10° C to +70° C. Insulation essential for temperatures of 0° C and below.

The Series 29/91 is the dimensional equivalent of a squat hydrant but with a full, straight bore from inlet to outlet. This allows a greatly enhanced flow-rate and ease of introduction and retrieval of pipe maintenance and measurement equipment. It is suitable for use with water and neutral liquids to a maximum temperature of +70°C. Complies with requirements of BS 750:2012 and EN 14339:2005, underground hydrants. Also to BS EN 1074-6 for potable (drinking) water. Resistant to corrosion of other component parts. Resistant to disinfection products.

Variant 29/91-003
Connection: No connection type specified
Material: Ductile Iron
DN: DN80
PN: PN 16
Closing direction: Clockwise to Close

Features

  • Complies with annex ZA of BS EN14339 in respect of construction product directive (CPR).
  • Outlet connections - BS336 to UK.
  • Through bore. Bore Dimension full 80mm diameter with outlet removed.
  • Exceeds standard flow requirements: Minimum specified flow 2000l/min @ 1.7 bar and Kv = 92 .  Actual flow 2538l/min @ 1.7 bar and Kv = 115.
  • Fully maintainable in situ.
  • Patented product.
  • Stem drive - Stem cap in accordance with BS 750/ BS 5163-2.
  • Type 2c. Screwed down type with screwed 2½” round thread outlet.
  • Autofrost valve as standard.
  • Corrosion resistant construction, ductile iron coated with WRAS approved epoxy coating Blue RAL 5017, to 250 microns min, Holiday free in accordance with WIS 04-52-01.
  • Available options: Drain plug, Data logger connection point, Outlet options: • Stainless steel (standard) or Gunmetal to BS 750 round thread • Instantaneous (Morris) • Belfast • London “V” thread • Internal screwed Norwegian • Bayonet (Dublin)
  • Emboded carbon data available upon request.
  • Black cap option available upon request.

Reference nos. and dimensions:

AVK ref. no. DN
mm
D
mm
D1
mm
L
mm
H3
mm
H11
mm
W
mm
W1
mm
W5
mm
Theoretical
weight/kg
Notes Enquiry
29-080-91-22032169003 80 187 82 286 359 297 188 103 138 20
29-080-91-22032169004 80 286 359 188 20
29-080-91-22032169023 80 187 82 286 359 297 188 103 138 20
29-080-91-22034169003 80 187 82 286 359 297 188 103 138 20
29-080-91-22034169023 80 187 82 286 359 297 188 103 138 20
29-080-91-22034369003 80 187 82 286 359 297 188 103 138 20
29-080-91-22034369004 80 286 359 188 20
29-080-91-22036069023 80 187 82 286 359 297 188 103 138 20
29-080-91-22036069024 80 286 359 188 20
29-080-91-42034269003 80 187 82 286 359 297 188 103 138 20
29-080-91-42034369024 80 286 359 188 20

Downloads

Datasheet (PDF)
Price list
Guidelines
Certificate(s)

Components

1. Outlet Stainless steel
2. Bush PA
3. O-rings Rubber
4. Stem Cap Ductile iron
5. Dust Cap Polyethylene
6. Stem Stainless steel
7. Retainer ring Brass
8. Hinge Shaft Stainless steel
9. Stem Bush Brass
10. Bonnet gasket Rubber
11. Auto-frost assembly Stainless steel / EPDM
12. Body Ductile iron
13. Bonnet Ductile iron
14. Gland flange Ductile iron
15. Thrust collar Brass
16. Stem nut Brass
17. Hinge Stainless steel
18. Bolt Stainless steel
19. Disc Lower Part Ductile iron
20. Disc
21. Disc, upper part Ductile iron
22. Bolt Stainless steel

Test/Approvals

  • Max operating pressure:16 Bar
  • Hydraulic test to BS 750 Seat: 1.1 x PN. Body: 1.5 x PN. Operating torque test
  • Resistance to operating load - MOT - 105NM - MST - 210NM
  • Draining - Volume of retained water 12ml after 4 minutes
  • WRAS approved Materials
  • Drinking Water Inspectorate Regulation 31 compliant
  • Approved according to KITE MARK

Standards

  • Designed according to BS750, Designed according to EN 1074 - 6
  • Double drilled PN10/16 and BS10 table D (only DN80 and DN100)
  • WIMES 8.09 Compliant
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