Ball Valves Series : VB71
DAWSONS-TECH Ball Valve Series : VB71 Three piece bi-directional flow Ball Valves offer high pressure rating up to 7500 psig (510 bar). The live-loaded PEEK Seat ensure 100% bubble tight shut off and continuous repeatable performance and also compensate for wear and pressure / temperature charges. This Ball Valves are most demanding applications in Hydraulic and process control Industries.
Features
- Available in Material SS316
- Material Traceable to certified material test report
- Three piece body design.
- Low torque operation, Bi-directional Flow
- Line loaded PEEK seat ensure bubble tight sealing and compensate for wear and Pressure / Temperature changes.
- Floating ball design
- Quarter turn positive stop handle.
- Variety of end configurations includes SEALEXCEL Well-Lok Tube Fittings, Male/Female NPT, BSPT pipe connection
- Available Fractional Size : 1/8" to 3/4" Tube OD
- Metric Size : 3 mm to 16mm Tube OD
- 1/8" to 1/2" Pipe Thread
- Every valve is Factory tested.
OPERATING PARAMETERS
- Pressure Rating : UPTO 6000 PSIG (408 BAR) at CWP with PTFE packing, PEEK Seat and Elastomeric ‘O’ Ring
- Temperature Rating : -54o C to 180o C (depending on ‘O’ Ring material)
- End Connections - Inch : 1/4” to 1” Tube OD
- Metric : 6mm to 25mm Tube OD
- Pipe Threads: 1/4” to 1” Male / Female BSP / BSPT / NPT
APPLICATIONS
- Instrument Air Lines, High Pressure Instrument Lines, General Plant Service.
MATERIAL OF CONSTRUCTIONS
| 1 | Handle with PVC Grip | SS316 |
| 2 | Locking Dome Nut | SS316 |
| 3 | Lock Nut | SS316 |
| 4 | Anti-blowout stem | SS316 |
| 5 | Spring Washer | SS316 |
| 6 | Thrust Washer | SS316 |
| 7 | Thrust Ring | PEEK |
| 8 | Backup Ring | PTFE |
| 9 | ‘O’ Ring | VITON |
| 10 | Thrust Ring | PEEK |
| 11 | End Connector | SS316 |
| 12 | ‘O’ Ring | VITON |
| 13 | DISC Spring | STAINLESS STEEL |
| 14 | Body | SS316 |
| 15 | Ball | SS316 |
| 16 | Ball Seat | PEEK |
| 17 | ‘O’ Ring | VITON |
| 18 | Backup Ring | PTFE |
| 19 | Seat supporter | SS316 |
| END CONNECTION | DIMENSIONS IN MM | PART NO. | |||||
| TYPE | SIZE-A | B | C | D | A/F-1 | A/F-2 | |
| Female NPT | 1/4’’ | 82.0 | 87.0 | 42.0 | 28.5 | 22.2 | VB71-FF4N |
| 3/8’’ | 86.0 | 101.0 | 46.0 | 32.0 | 25.4 | VB71-FF6N | |
| 1/2’’ | 103.0 | 101.0 | 48.0 | 35.0 | 27.0 | VB71-FF8N | |
| 3/4’’ | 109.0 | 101.0 | 50.0 | 38.0 | 32.0 | VB71-FF12N | |
| 1’’ | 123.5 | 101.0 | 53.0 | 44.4 | 41.2 | VB71-FF16N | |
| Male NPT To Female NPT | 1/4’’ | 82.0 | 87.0 | 42.0 | 28.5 | 22.2 | VB71-MF4N |
| 3/8’’ | 86.0 | 101.0 | 46.0 | 32.0 | 25.4 | VB71-MF6N | |
| 1/2’’ | 103.0 | 101.0 | 48.0 | 35.0 | 27.0 | VB71-MF8N | |
| 3/4’’ | 109.0 | 101.0 | 50.0 | 38.0 | 32.0 | VB71-MF12N | |
| 1’’ | 123.5 | 101.0 | 53.0 | 44.4 | 41.2 | VB71-MF16N | |
| Female BSP | 1/4’’ | 81.0 | 87.0 | 42.0 | 28.5 | 22.2 | VB71-FF4RG |
| 3/8’’ | 85.0 | 101.0 | 46.0 | 32.0 | 25.4 | VB71-FF6RG | |
| 1/2’’ | 98.0 | 101.0 | 48.0 | 35.0 | 27.0 | VB71-FF8RG | |
| 3/4’’ | 107.0 | 101.0 | 50.0 | 38.0 | 32.0 | VB71-FF12RG | |
| 1’’ | 117.0 | 101.0 | 53.0 | 44.4 | 41.2 | VB71-FF16RG | |
| Fractional Tube Fittings | 1/4’’ | 91.5 | 87.0 | 42.0 | 28.5 | 22.2 | VB71-TT4 |
| 3/8’’ | 101 | 101.0 | 46.0 | 32.0 | 25.4 | VB71-TT6 | |
| 1/2’’ | 113.5 | 101.0 | 48.0 | 35.0 | 27.0 | VB71-TT8 | |
| 3/4’’ | 122.5 | 101.0 | 50.0 | 38.0 | 32.0 | VB71-TT12 | |
| 1’’ | 141.0 | 101.0 | 53.0 | 44.4 | 41.2 | VB71-TT16 | |
| Metric Tube Fittings | 6mm | 91.5 | 87.0 | 42.0 | 28.5 | 22.2 | VB71-TT6M |
| 8mm | 93.0 | 101.0 | 42.0 | 28.5 | 22.2 | VB71-TT8M | |
| 10mm | 101.0 | 101.0 | 46.0 | 32.0 | 25.4 | VB71-TT10M | |
| 12mm | 113.5 | 101.0 | 48.0 | 35.0 | 27.0 | VB71-TT12M | |
| 16mm | 119.5 | 101.0 | 50.0 | 38.0 | 32.0 | VB71-TT16M | |
| 25mm | 141.6 | 101.0 | 53.0 | 44.4 | 41.2 | VB71-TT25M | |