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AVK CONTROL VALVE, FLOAT LEVEL, MODULATING, PN10/16

Full bore, SS-304/DI trim

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

Control valve, float level, modulating, for drinking water or other neutral liquids to max. 70°C

AVK series 869 diaphragm actuated level control valves automatically control the water level in a tank or a reservoir by means of a float.

The float activates the modulating pilot that controls the main valve to keep the level at the predetermined setpoint.

Variant 869/3034-001
Connection: Flanged
Material: Ductile iron
DN: DN50 - DN600
PN: PN10/16

Features

  • The lifted seat design controls the flow around the plug so that in case of cavitation this happens with minimal damage away from plug and seat
  • The parabolic shape of the plug creates a smooth regulating characteristic with low gain around the near-closed positions improving control performance at low flow
  • Non-symmetric axial position of rubber diaphragm results in low stretch stress when closed
  • Body and bonnet of ductile iron coated with fusion bonded epoxy, 300 micron, GSK approved, RAL 5017, according to DIN 3476 and WRAS-DVGW/W270/UBA
  • All rubber parts approved for drinking water
  • All non-coated internal parts in stainless steel or bronze
  • A needle valve fitted between the upstream side and the control chamber allows for adjustment of the regulation reaction time
  • Closing the needle valve isolates the control chamber and fixes the position of the main valve allowing for service of the pilot valve
  • Integrated lifting holes on body from DN150 for ease of handling

Downloads

Datasheet

Reference nos. and dimensions:

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AVK ref. no. DN
mm		 Flange
drilling		 L2
mm		 W1
mm		 W2
mm		 H3
mm		 Theoretical
weight/kg
869-0050-30-1340034 50 PN10/16 230 94 132 405 19
869-0065-30-1340034 65 PN10/16 290 108 141 428 24
869-0080-30-1340034 80 PN10/16 310 117 149 445 28
869-0100-30-1340034 100 PN10/16 350 140 159 476 37
869-0150-30-1340034 150 PN10/16 480 203 184 578 83
869-0200-30-0340034 200 PN10 600 254 209 678 140
869-0200-30-1340034 200 PN16 600 254 209 678 140
869-0250-30-0340034 250 PN10 730 277 234 757 200
869-0250-30-1340034 250 PN16 730 277 234 757 200
869-0300-30-0340034 300 PN10 850 302 259 821 257
869-0300-30-1340034 300 PN16 850 302 259 821 257
869-0350-30-0340034 350 PN10 980 355 355 929 467
869-0350-30-1340034 350 PN16 980 355 355 929 467
869-0400-30-0340034 400 PN10 1100 398 398 998 557
869-0400-30-1340034 400 PN16 1100 398 398 998 557
869-0450-30-0340034 450 PN10 1200 465 465 1110 887
869-0450-30-1340034 450 PN16 1200 465 465 1110 887
869-0500-30-0340034 500 PN10 1250 509 509 1188 1137
869-0500-30-1340034 500 PN16 1250 509 509 1188 1137
869-0600-30-0340034 600 PN10 1450 593 593 1340 1697
869-0600-30-1340034 600 PN16 1450 593 593 1340 1697
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Components

1. O-ring EPDM rubber
2. Plug sealing EPDM rubber
3. Washer Stainless steel A2
4. Diaphragm EPDM rubber
5. Bolt Stainless steel A2
6. Nut Stainless steel A2
7. Stem Stainless steel AISI 431
8. Stem guide Stainless steel AISI 304
9. Bonnet Ductile iron GJS-500-7 (GGG-50)
10. Spring Stainless steel AISI 304
11. Washer Bronze CC499K
12. Diaphragm support Ductile iron GJS-500-7 (GGG-50)
13. Disc retainer Ductile iron GJS-500-7 (GGG-50)
14. Regulating disc Stainless steel AISI 304
15. Seat Stainless steel AISI 304
16. Body Ductile iron GJS-500-7 (GGG-50)
17. Filter Stainless steel AISI 304
18. Plug Stainless steel AISI 304
19. Pilot valve Stainless steel AISI 304
20. Float Stainless steel AISI 304
21. Needle valve Stainless steel AISI 304
22. Control orifice Stainless steel AISI 304

Test/Approvals

  • Hydraulic tests according to DIN EN 1074-1 and 5, cover:1.1×PN, body:1.5×PN
  • WRAS approved materials

Standards

  • EN 1074-5
  • Face-to-face dimension according to EN 558, Series 1
  • Flange drilling to EN1092, PN10/16
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