Donkin Clear Bore Ball Valve, Ductile Iron
FemaleThread Both Ends
Andy Hatton
National Sales Manager – Gas
Screwed Full Bore, Ball Valve to GIS/V4. Maximum Working Pressure: 7 Bar (100 psig). Temperature Range: -10°C to +50°C
The Series 455/51 are high quality, clear bore, general service ball valves, which are ideal for gas isolation and suitable for use with under-pressure drilling equipment. Kitemarked to GIS/V4
| Variant 455/51-001 | |
|---|---|
| Connection: | Internal Thread |
| Material: | Ductile Iron |
| DN: | DN20 - DN50 |
| PN: | PN 7 |
| Closing direction: | Clockwise to Close |
Features
- Maintenance free compact design
- Kitemarked to GIS/V4
- Pre-loaded PTFE seats
- One piece body
- High torque design to prevent unauthorised operation
- One size false cap fits all sizes
- Totally enclosed design for buried service
- Design ensures minimum pressure drop
- Full clear bore for under pressure drilling
- Embodied carbon data available upon request
- Options:
- LD (limited dimension) version overall dimension in accordance with GIS/F2
- Available with PE tails for use as purge or bypass point valves. See Datasheet 455/74-001
- Note:
- *For GIS/V4 applications the maximum working pressure is 2 bar
Downloads
Datasheet
Certificate(s)
Installation, Operation & Maintenance
Guidelines
Price list
Reference nos. and dimensions:
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| Ref. no. | D mm |
Dd mm |
BSP thread Inch |
H mm |
H3 mm |
L mm |
W mm |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|---|
| 455-002-20-511 | 58 | 20 | 3/4" | 61 | 90 | 90 | 58 | 0.8 |
| 455-003-20-511 | 70 | 25 | 1" | 66 | 101 | 98 | 70 | 1.2 |
| 455-006-20-511 | 108 | 50 | 2" | 85 | 139 | 150 | 108 | 4.1 |
3D drawings
Enquiry
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Components
| 1. | Body | Ductile iron GJS-400-15 |
| 2. | Ball | Stainless steel |
| 3. | Seat | PTFE |
| 4. | Stem | Stainless steel |
| 5. | O-ring | NBR rubber |
| 6. | O-ring | NBR rubber |
| 7. | Stem Cap | Ductile iron |
| 8. | Dust Cap | Stainless steel |
| 9. | Bolt | Steel 8.8 |
| 10. | Spring | Steel |
| 11. | Body end | Mild steel |
| 12. | Grub screw | Steel 8.8 |
Test/Approvals
- UKCA marked according to Pressure Equipment Regulations
- CE marked according to Pressure Equipment Directive
- Approved according to Kitemark™ GIS/V4 KM 518471
Standards
- EN 12266, Designed according to GIS/V4
