DONKIN UNDER PRESSURE DRILLING VALVE, PN7
PUR Coated, St St Spindle DN80-400
Andy Hatton
National Sales Manager – Gas
Under Pressure Drilling Valve - Bi Directional. Temperature range: -10° C to +60° C. MWP 7bar (100 psig) upto DN300. MWP 2 bar for DN400.
The Series 158 PUR coated, clear bore construction valve for use in making under pressure connections to low, medium and intermediate pressure gas distribution systems. The product is manufactured and approved to specification GIS/V7:Part 1. The PUR coating system allows the valve to be buried without further protection.
| Variant 158/04-002 | |
|---|---|
| Connection: | Flanged |
| Material: | Cast Iron |
| DN: | DN80 - DN400 |
| PN: | PN 7 |
| Closing direction: | Clockwise to Close |
Features
- High integrity coating for buried service
- Substantial reduction in installation time
- 1500µm minimum thickness
- Coating 100% holiday tested
- Stainless steel spindle
- Fully corrosion resistant construction
- Soft seal positive shut off
- Double ‘O’ Ring stem seal
- Lightweight and easy to handle
- Clear bore
- Maintenance free
- No lubrication required
- QR code for traceability
- Supplied with long stud bolts to EN1092
- PN16 configuration
- Bi-directional
- Lifting lugs on DN150 and above
- Embodied carbon content available upon request
- AVK Valve Installation Tracker
Downloads
Price list
Datasheet
Certificate(s)
Installation, Operation & Maintenance
Reference nos. and dimensions:
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| Ref. no. | DN mm |
Dd mm |
H mm |
H3 mm |
L mm |
L11 mm |
Bolt length |
Turns to open |
W mm |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|---|---|---|
| 158-080-04-010329 | 80 | 85 | 260 | 300 | 190 | 90 | 50 | 18 | 200 | 13 |
| 158-100-04-010329 | 100 | 105 | 288 | 391 | 258 | 90 | 69 | 22 | 220 | 18 |
| 158-150-04-010329 | 150 | 155 | 373 | 506 | 300 | 120 | 90 | 22 | 294 | 33 |
| 158-200-04-010329 | 200 | 205 | 450 | 615 | 300 | 120 | 90 | 28 | 340 | 50 |
| 158-250-04-010329 | 250 | 255 | 531 | 728 | 360 | 140 | 110 | 23 | 405 | 88 |
| 158-300-04-010329 | 300 | 310 | 613 | 836 | 360 | 140 | 110 | 28 | 460 | 109 |
| 158-400-04-010329 | 400 | 401.5 | 855.5 | 1142.5 | 385 | 224 | 80 | 36 | 634 | 245 |
3D drawings
Enquiry
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Components
| 1. | Body | Cast iron |
| 2. | Bonnet | Cast iron |
| 3. | Door | Cast iron |
| 4. | Door seal | NBR rubber |
| 5. | Spindle | Stainless steel |
| 6. | Collar | Brass CZ132 |
| 7. | Stem seal O-ring | NBR rubber |
| 8. | Body-bonnet seal | CNAF fibres |
| 9. | Screw | Steel gr. 8.8, zinc plated, passivated |
| 10. | Studs | Zinc plated steel |
| 11. | Nuts | Zinc plated steel |
| 12. | Washer | Zinc plated steel |
| 13. | Guard | Plastic |
| 14. | Coating | PUR |
Test/Approvals
- Approved according to Kitemark™ GIS/V7-1, certificate KM 518241
- Made in Great Britain
Standards
- GIS/V7-1
