Two Way Ball Valve
Series : VB41

Driving Innovation for a Brighter Future

At Dawsons-Tech, we believe in the power of continuous improvement to shape a better tomorrow.

Two Way Ball Valve

Series : VB41

DAWSONS-TECH® Ball Valves Series : VB41 Three Piece bi-directional Flow Ball Valves offers medium pressure rating UPTO 3000 PSIG (206 Bar).

‘O’ Ring energized PTFE / PEEK Ball Seat ensure 100% bubble tight shut off and continuous repeatable performance.

Features / Benefits :

  • Available in Material SS316
  • Material Traceable to certified material test report
  • Three-piece body design, on / off service with two way pattern
  • Low torque actuation Bi-directional flow
  • Floating Ball design, ‘O’ Ring energizing Ball Seat
  • Quarter turn positive stop handle

Product Range & Operating Parameters :

  • Pressure Rating : UPTO 206 Bar (3000 PSIG) at CWP with PTFE Seat and Fluorocarbon / PTFE ‘O’ Ring
  • Temperature Rating : -54°C to 180°C (depending on ‘O’ Ring Material)
  • End Connections
    • Fractional 1/4″ to 1″ Tube OD
    • Metric 6mm to 25mm Tube OD
  • Pipe Threads : 1/4″ to 1″ Male / Female BSP / BSPT / NPT

Applications :

  • Hydraulic
  • Gas
  • Instrument Air Lines
  • General Plant Service

Type Test Approvals :

The design of DAWSONS-TECH Ball Valves Series : VB41 have been tested to Hydrostatic Proof and Burst Test in accordance with MSS SP-99-2016a Clause 5.5 & 5.6.

Testing :

  • Standard Test : Each Valve is pressure tested with Nitrogen at 1000 PSIG (69 Bar) for leakage at the seat and packing.
  • Optional Hydrostatic Test : This test is performed with De-ionized water at 1.5 times the working pressure.

Certification :

The certificate to 3.1 acc. to EN10204 for Valve Body Material and pressure test will be provided on request.

Material of Construction :

Sr. No. Part Description Material
1 Locking Dome Nut SS316
2 Lock Nut SS316
3 Stem Washer SS316
4 Handle With PVC Grip SS316
5 Spring Washer Stainless Steel
6 Thrust Washer PEEK
7 Valve Stem SS316
8 End Connector SS316
9 Connector ‘O’ Ring Fluorocarbon
10 Energized Seal Fluorocarbon
11 Seat Gland SS316
12 Ball Seat PEEK / PTFE
13 Floating Ball SS316
14 Valve Body SS316
End Connection Dimensions in mm Dawsons-Tech Part No
Type Size – A Orifice (mm) Cv B C E G A/F-1 A/F-2
Female NPT 1/4″ 6.3 2.34 35.0 35.0 39.7 87.0 27.0 22.2 VB41-FF4N
3/8” 8.2 4.30 36.4 36.4 40.0 101.0 28.57 23.8 VB41-FF6N
1/2″ 10.2 6.42 46.5 46.5 48.5 101.0 31.75 27.0 VB41-FF8N
3/4″ 12.2 12.45 50.0 50.0 50.8 101.0 33.3 31.75 VB41-FF12N
1” 16.0 17.35 59.0 59.0 58.5 101.0 41.27 41.27 VB41-FF16N
Male NPT 1/4″ 6.3 2.34 38.1 38.1 39.7 87.0 27.0 22.2 VB41-MM4N
3/8” 8.2 4.30 43.0 43.0 40.0 101.0 28.57 23.8 VB41-MM6N
1/2″ 10.2 6.42 49.4 49.4 48.5 101.0 31.75 25.4 VB41-MM8N
3/4″ 12.2 12.45 52.7 52.7 50.8 101.0 33.3 28.57 VB41-MM12N
1” 16.0 17.35 62.9 62.9 58.5 101.0 41.27 38.1 VB41-MM16N
Male x Female NPT 1/4″ 6.3 2.34 38.1 35.0 39.7 87.0 27.0 22.2 VB41-MF4N
3/8” 8.2 4.30 43.0 36.4 40.0 101.0 28.57 23.8 VB41-MF6N
1/2″ 10.2 6.42 49.4 46.5 48.5 101.0 31.75 27.0 VB41-MF8N
3/4″ 12.2 12.45 52.7 50.0 50.8 101.0 33.3 31.75 VB41-MF12N
1” 16.0 17.35 62.9 59.0 58.5 101.0 41.27 41.27 VB41-MF16N
Female BSP 1/4″ 6.3 2.34 35.0 35.0 39.7 87.0 27.0 22.2 VB41-FF4RG
3/8” 8.2 4.30 38.0 38.0 40.0 101.0 28.57 23.8 VB41-FF6RG
1/2″ 10.2 6.42 44.0 44.0 48.5 101.0 31.75 27.0 VB41-FF8RG
3/4″ 12.2 12.45 48.7 48.7 50.8 101.0 33.3 28.57 VB41-FF12RG
1” 16.0 17.35 61.6 61.6 58.5 101.0 41.27 41.27 VB41-FF16RG
Fractional Tube Fittings 1/4″ 4.8 1.20 37.0 37.0 39.7 87.0 27.0 22.2 VB41-TT4
3/8” 6.3 2.34 40.6 40.6 40.0 101.0 28.57 23.8 VB41-TT6
1/2″ 10.2 6.42 42.0 42.0 48.5 101.0 31.75 25.4 VB41-TT8
3/4″ 12.2 12.45 45.3 45.3 50.8 101.0 33.3 28.57 VB41-TT12
1” 16.0 17.35 53.0 53.0 58.5 101.0 41.27 38.1 VB41-TT16
Metric Tube Fittings 6mm 4.2 0.92 37.8 37.8 39.7 87.0 27.0 22.2 VB41-TT6M
8mm 6.3 2.34 37.8 37.8 39.7 87.0 27.0 22.2 VB41-TT8M
10mm 8.2 4.30 41.6 41.6 40.0 101.0 28.57 23.8 VB41-TT10M
12mm 10.2 6.42 42.5 42.5 48.5 101.0 31.75 25.4 VB41-TT12M
16mm 12.2 12.45 46.0 46.0 50.8 101.0 33.3 28.57 VB41-TT16M
25mm 16.0 17.35 53.0 53.0 58.5 101.0 41.27 38.1 VB41-TT25M

Dimensions are for reference only and are subject to change.