SUBMERGED DISCHARGE VALVE, PN 25

Bare shaft DN800 – 1000

Submerged discharge valve for dam and reservoir fresh water.

Available on back-order

Description

Key Features

  • Terminal discharge valves situated at the end of the pipeline and are installed in a compact stilling sump
  • Stilling sump providing submerged discharge with safe and quiet energy dissipation
  • Hydraulic balance, no differential loads, low operating effort, small actuator
  • Resilient seal for drop-tight shut off
  • Submerged discharge, safe, quiet energy dissipation and cavitation free
  • Chloride resistant stainless steel internal parts, bronze ported body with epoxy coated ductile iron components for high corrosion resistance
  • Shaped multi-ports giving wide control range, can be customized for specified condition
  • External mechanism allowing easy maintenance and visible indication
  • Fine screw thread for slow speed operation and fine adjustment, good positioning and gradual flow change

 

The AVK submerged discharge valves are designed to safely dissipate the surplus energy from large amounts of rapidly flowing water. Installed at the outlet of dams or reservoirs and discharging sub-surface into a stilling basin, they operate with a minimum of noise and a maximum of safety.

 

Variant 856/2-001
Connection: Flanged
Material: Ductile Iron
PN: PN 16

 

SUBMERGED DISCHARGE VALVE, PN 25 Component Image

 

SUBMERGED DISCHARGE VALVE, PN 25 Component Image 2

 

1. Stopper pipe Ductile Iron GJS-500-7
2. Bottom valve spindle Stainless steel 1.4057
3. Guide spider Ductile Iron GJS-500-7
4. Bush Alu-bronze CW307G
5. Screw Stainless steel A4-70
6. Extension pipe Ductile Iron GJS-500-7
7. Bolt Stainless steel A4-70
8. Intermediate spindle Stainless steel 1.4057
9. Upper valve spindle Stainless steel 1.4057
10. Taper pipe Ductile Iron GJS-500-7
11. Inlet bend Ductile Iron GJS-500-7
12. Coupling Ductile Iron GJS-500-7
13. Ductile Iron GJS-500-7
14. Upper pillar Ductile Iron GJS-500-7
15. Spindle Stainless steel 1.4057
16. Eye bolt Hot dip galvanized steel
17. Foundation bolt Stainless steel 1.4401
18. Spring Washer Stainless steel A4-70
19. Plug Bronze
20. Baseplate Ductile Iron GJS-500-7
21. Ported body Alu-bronze CC333G
22. Baseplate Stainless steel 1.4057
23. Sleeve Stainless steel 1.4401
24. Washer Stainless steel A4-70
25. Upper valve body Ductile Iron GJS-500-7
26. Lifting nut Stainless steel 1.4057
27. Gasket EPDM
28. Handhole cover Ductile Iron GJS-500-7
29. Face ring Neoprene
30. Guide ring Bronze
31. Seal ring Neoprene
32. O-ring EPDM
33. Gland ring Bronze
34. Guide spider Ductile Iron GJS-500-7
35. O-ring EPDM
36. Gasket EPDM
37. Packing PTFE
38. Stuffing box Ductile Iron GJS-500-7
39. Gland Ductile Iron GJS-500-7
40. Washer Stainless steel 1.4401
41. Hex Nut Stainless steel A4-70
42. Key Stainless steel A4-70
43. Torque plate Stainless steel 1.4401

 

Test/Approvals

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

 

Standards

  • Standard flange drilling to EN1092 (ISO 7005-2), PN 25

Additional information

Variant

856/2-001

Brand

AVK

Connection

Flanged

PN

PN16

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