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AVK NOZZLE CHECK VALVE, SINGLE STEM, PN10/16

SS 420 stem, SS 304 spring, alu-bronze bushings, A2 fasteners, FBE coating, EPDM rubber

AVK UK Gas and Water Sales

AVK UK

Gas & Water Sales

Fast reacting nozzle check valve with spring return, for drinking water and other neutral liquids to 80°C

The AVK spring loaded nozzle check valve is a reliable, fast reacting blocker of reverse flow in water pipes. In case of pump stop the spring loaded valve cone will make sure the water flow is shut off swiftly and quietly before it can change direction and cause water hammer. All metal parts are made of either stainless steel or epoxy coated ductile iron.

Variant 876/00-001
Connection: Flanged
Material: Ductile Iron
DN: DN50 - DN350
PN: PN 10/16

Features

  • A spring loaded valve cone makes sure the valve closes before reverse flow can occur
  • The optimized flow path keeps head loss down to a minimum
  • Stem, spring and fasteners in stainless steel
  • All iron parts coated with 150 µm fushion bonded epoxy (FBE)
  • Centring stem runs in high strength alu-bronze bushings
  • Approved for drinking water according to Decreto Ministeriale nr. 174 - Ministero della Salute

Downloads

Datasheet
Price list

Reference nos. and dimensions:

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Ref. no. DN
mm		 Flange
drillling		 D
mm		 D1
mm		 D2
mm		 D3
mm		 Bolt
No.		 L
mm		 L1
mm		 Theoretical
weight/kg
876-0050-00-11102012 50 PN16 165 125 99 19 4 150 8 6.0
876-0065-00-11102012 65 PN16 185 145 118 19 4 170 15 9.0
876-0080-00-11102012 80 PN16 200 160 132 19 8 180 18 11
876-0100-00-11102012 100 PN16 220 180 156 19 8 190 20 15
876-0125-00-11102012 125 PN16 250 210 184 19 8 200 21 19
876-0150-00-11102012 150 PN16 285 240 211 23 8 210 25 26
876-0200-00-01102012 200 PN10 340 295 266 23 8 230 30 39
876-0200-00-11102012 200 PN16 340 295 266 23 12 230 30 39
876-0250-00-01102012 250 PN10 395 350 319 23 12 250 40 57
876-0250-00-11102012 250 PN16 405 355 319 28 12 250 40 57
876-0300-00-01102012 300 PN10 445 400 370 23 12 270 45 73
876-0300-00-11102012 300 PN16 460 410 370 28 12 270 45 73
876-0350-00-01102012 350 PN10 505 460 429 23 16 290 50 109
876-0350-00-11102012 350 PN16 520 470 429 28 16 290 50 109
Enquiry
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Components

1. Body Ductile iron GJS-500-7
2. Disc Ductile iron GJS-500-7
3. Spring Stainless steel 304
4. Stem Stainless steel 420
5. Washer EPDM
6. Nut Stainless steel A2
7. Bushing
8. Diffuser Sleeve Ductile iron GJS-500-7
9. Set screw Stainless steel A2
10. Seal EPDM
11. Drain

Test/Approvals

  • Seat: 1.1 x PN (in Bar), Body: 1.5 x PN (in Bar). Closing torque test.
  • WRAS approved Materials

Standards

  • Designed according to EN 1074 - 3, EN 12266
  • Standard flange drilling to EN1092, PN 10/16
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