Ball Valves

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
Dimensions are for reference only and subject to change without notice.