SUBMERGED DISCHARGE VALVE, PN 16
Bare shaft DN200 – 1600
Submerged discharge valve for dam and reservoir fresh water.
Available on back-order
Description
Key Features
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Terminal discharge valves situated at the end of the pipeline and are installed in a compact stilling sump
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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
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Shaped multi-ports giving wide control range, can be customized for specified condition
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External mechanism allowing easy maintenance and visible indication
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Fine screw thread for slow speed operation and fine adjustment, good positioning and gradual flow change
AVK’s Supa Maxi™ range of universal tensile couplings sets a new standard. The patented SupaGrip™ sealing support system with flexible bracket ensures full support of the gasket and full tensile strength on all pipe types up to PN 10. Supa Maxi™ couplings are very easy to mount with the possibility of ±4° angular deflection, the permanent protection caps, the lifting eye and the fact that they are tightened from the sleeve side with no need for re-tightening the bolts.
Variant 856/1-001 | |
---|---|
Connection: | Flanged |
Material: | Ductile Iron |
PN: | PN 16 |
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. | Stay bar | 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 16
Additional information
Variant | 856/1-001 |
---|---|
Brand | AVK |
Connection | Flanged |
Material | Ductile Iron |
PN | PN16 |
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