AVK ISOLATING CLEAR WAY SANDWICH GATE VALVE, PN16/PN25
CTC & CTO, 1.4021 stem, galvanized bonnet bolts
Mamoun Humayra
Water Product Manager
Wafer pattern isolating valve for use with hydrants in water or other neutral liquids. Temperature range -10°C to 70°C max.
The AVK Series 29/26-001 is a resilient seated, isolating, clear way, sandwich gate valve with PN16/PN25 flange drilling and ductile iron body and bonnet. The valve is ideal for use as a hydrant isolator or for isolating under pressure drilling applications benefitting in reduced drill stroke.
| Variant 29/26-001 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN80 - DN80 |
| PN: | PN 16 |
| Closing direction: | Clockwise to Close |
Features
- Clear way. Minimum dimension 80mm
- WRAS approved materials for potable water
- Studded flanges to suit DN80 PN16/PN25 BS EN 1092-2 (ISO7005-2) flange connections
- Fully maintainable and corrosion resistant construction
- Ductile iron construction
- Ductile iron wedge, fully vulcanized with EPDM rubber
- O-ring stem seals replaceable under pressure
- Corrosion resistant coating applied externally and internally, minimum of 250µm.
- Bonnet and gland bolts sealed with hot melt
- Fitted with studs, nuts and washers for direct fastening to the pipeline.
- CTC (clockwise to close) or CTO (clockwise to open) option
- PN16 & PN25 option
Downloads
Price list
Datasheet
Certificate(s)
Installation, Operation & Maintenance
Flyer
Reference nos. and dimensions:
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| Ref. no. | DN mm |
Operating Direction |
Flange drillling |
H mm |
H3 mm |
L mm |
L9 mm |
L10 mm |
L11 mm |
W mm |
Theoretical weight / kg |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 29-080-26-01469 | 80 | CTC | PN10/16 | 230 | 322 | 202 | 40 | 50 | 112 | 184 | 15 |
| 29-080-26-07469 | 80 | CTC | PN25 | 230 | 322 | 202 | 40 | 50 | 112 | 184 | 15 |
| 29-080-26-11469 | 80 | CTO | PN10/16 | 230 | 322 | 202 | 40 | 50 | 112 | 184 | 15 |
3D drawings
Enquiry
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Components
| 1. | Stem | Stainless steel 1.4021 |
| 2. | O-ring | EPDM |
| 3. | Gland flange | Ductile Iron GJS-500-7 |
| 4. | Bearing shell | PA |
| 5. | Thrust collar | Brass CW724R |
| 6. | Bonnet | Ductile Iron GJS-500-7 |
| 7. | Bonnet gasket | EPDM |
| 8. | Body | Ductile Iron GJS-500-7 |
| 9. | Wedge nut | Brass |
| 10. | Wedge rubber | EPDM |
| 11. | Wedge shoe | PA |
| 12. | Wedge core | Ductile Iron GJS-500-7 |
| 13. | Washer | Hot dip galvanized steel |
| 14. | Nut | Steel gr. 8, hot dip galvanized |
| 15. | Stud bolt | Hot dip galvanized 8.8 steel |
| 16. | Guard | Plastic |
Test/Approvals
- Hydraulic test according to 1.5 x PN
-
Hydraulic test according to EN 1074-1 / EN 12266
- Materials approved according to WRAS
- Drinking Water Inspectorate Regulation 31 compliant
Standards
- Designed according to BS EN 1074 -1 and 2
