Donkin Reduced Bore Ball Valves, PN16
Flanged Ball Valve, Max working pressure; 7 Bar (100 psig). Temperature range: -10°C to + 60°C Nitrile rubber, -10°C to +200°C Viton rubber
The Series 450 Ball Valve is a quick operating, general purpose valve, with a broad area of application. The valve is suitable for a wide range of non-corrosive fluids, including natural gas, clean air, oil, water and steam. The PTFE seals and fully floating stainless steel ball, are arranged to ensure positive closures at all pressures within the valve rating.
| Variant 450/001-001 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN50 - DN150 |
| PN: | PN 7 |
| Closing direction: | Clockwise to Close |
Features
- Plugged boss with pressure plug for block and bleed
- Self indicating handle shows position of valve port
- Resilient seats compensate for wear to give trouble-free operation with minimum maintenance
- Pre-loaded PTFE seats ensure tight closure at all pressure or vacuum conditions
- Fully floating ball on PTFE seats ensures easy operation after long periods in the open or closed position
- With manual operation only one quarter turn from open to closed position
- Round port giving smooth, straight through flow with very low pressure drop
- Embodied carbon data available upon request
- Options:
- Reduced bore version, see 450/201-001 datasheet
- Screwed end connections, see 450/051-001 datasheet
- On certain sizes locking devices available to enable the valve to be locked in either the open or closed position
- Can be supplied with pneumatic, electric or hydraulic actuators
- Version available for coke oven gas
- High temperature version available
- Higher pressure version available
Downloads
Datasheet
Installation, Operation & Maintenance
Guidelines
Price list
Reference nos. and dimensions:
Scroll for more info
| Ref. no. | Dd mm |
H3 mm |
HH mm |
L mm |
L11 mm |
La mm |
Torque Nm |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|---|
| 450-050-00-0111 | 38 | 200 | 111 | 197 | 178 | 114 | 27 | 8.0 |
| 450-080-00-0111 | 60 | 233 | 133 | 292 | 203 | 190 | 55 | 14 |
| 450-100-00-0111 | 80 | 304 | 194 | 433 | 229 | 318 | 109 | 24 |
| 450-150-00-0111 | 115 | 461 | 219 | 452 | 267 | 318 | 218 | 44 |
Enquiry
Scroll for more info
Components
| 1. | Body and insert | Ductile iron GJS-400-15 |
| 2. | Ball | Stainless steel 316 |
| 3. | Stem | Stainless steel 316L |
| 4. | Seats | PTFE 15% Graphite |
| 5. | Stem/seat seal | Viton |
| 6. | Body seal | Viton |
| 7. | Lever | Carbon steel |
Test/Approvals
- Tested according to EN12266-1
- CE marked according to Pressure Equipment Directive
- UKCA marked according to Pressure Equipment Regulations
