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AVK SILENT CHECK VALVE, PN10/16/25

Metal seated, DI body, flanged, EN1092, 316 trim/disc, 250µm blue EP coating

Flanged silent check valve for water, and water with glycol from -10°C to 110°C

Series 903 metal seated silent check valves are designed to prevent back flow in high temperature range pumping applications. The valve element movement is controlled via a central guide where a centrally mounted spring together with the short movement aids the quick closing that is essential in reducing shock associated with valve closure. The pumped media can be water, glycol or other clean, neutral liquids.
변형 903/20-003
연결 Flanged
재료 Ductile iron
DN: DN65 - DN400
PN: PN 16

특징

  • The combination of light disc, short stroke distance and fast closing spring design effectively mitigates slamming
  • Streamlined contour for low head loss
  • The special metal seat design ensures quick and easy trim replacement
  • Disc in cast, stainless steel 1.4408/CF8M (316), trim in AISI 316
  • 250µm blue RAL 5017 fusion bonded epoxy coating on both external and internal surfaces
  • On sizes DN200 and below the design allows for installation of a butterfly valve at the outlet without additional adapters; cf. measure reference C

다운로드

Datasheet
Tender Text
Installation, operation and maintenance manuals

데이터 테이블

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AVK ref. no. DN
mm		 Flange
drilling		 L
mm		 W
mm		 C
mm		 Theoretical
weight/kg
903-065-20-13000 65 PN10/16 140 185 27.5 8.0
903-065-20-73000 65 PN25 140 185 27,5 8.0
903-080-20-13000 80 PN10/16 152 200 35.5 9.0
903-080-20-73000 80 PN25 152 200 35,5 9.0
903-100-20-13000 100 PN10/16 184 235 46 15
903-100-20-73000 100 PN25 184 235 46 15
903-125-20-13000 125 PN10/16 216 270 51 21
903-125-20-73000 125 PN25 216 270 51 21
903-150-20-13000 150 PN10/16 248 300 61 31
903-150-20-73000 150 PN25 248 300 61 31
903-200-20-13000 200 PN16 317 360 84 51
903-200-20-73000 200 PN25 317 360 84 51
903-250-20-13000 250 PN16 394 440 118 77
903-250-20-73000 250 PN25 394 440 118 77
903-300-20-13000 300 PN16 362 500 16 97
903-300-20-73000 300 PN25 362 500 16 97
903-350-20-13000 350 PN16 400 580 35.5 137
903-350-20-73000 350 PN25 400 580 35,5 137
903-400-20-13000 400 PN16 448 635 50 178
903-400-20-73000 400 PN25 448 635 50 178
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문의
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부품

1. O-ring EPDM rubber
2. Body Ductile iron GJS-500-7 (GGG-50)
3. Seat Stainless steel 1.4408 (CF8M), cast
4. Disc Stainless steel 1.4408 (CF8M), cast
5. Spring Stainless steel 1.4401
6. Bush Stainless steel AISI 316
7. Bolt Stainless steel A4
8. Retainer ball Stainless steel AISI 316
9. Set screw Stainless steel A4
10. Stem Stainless steel 1.4401
11. O-ring EPDM rubber
12. O-ring EPDM rubber
13. Spacer Stainless steel 1.4401
14. Nut Stainless steel A4
15. Face ring Stainless steel 1.4401
16. Stem guide Ductile iron GJS-500-7 (GGG-50)
17. O-ring EPDM rubber

승인

  • Seat: 1.1 x PN. Body: 1.5 x PN.  |
  • Tested according to EN 12266-1 |
  • Min. open pressure 0.7 bar

표준

  • EN 12334
  • Face-to-face dimension according to MSS SP-125 short globe
  • Flange drilling to EN1092, PN10/16/25
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