Instrumentation Ball Valves


Ball Valves Series : VB41, VB43, VB45 and VB47 with ‘O’ Ring energized PTFE / PEEK Seat.

DAWSONS-TECH® Three Piece bi-directional Flow Ball Valves have been designed with ‘O’ Ring energized PTFE / PEEK Seat which ensures 100% bubble tight shut-off and continuous repeatable performance for medium pressure rating UPTO 3000 PSIG (206 Bar).

Construction & Features of Ball Valves with ‘O’ Ring energized PTFE / PEEK Seat


Ball Valves Series : VB71, VB81 and VB91 with Live Load PEEK Seat.

DAWSONS-TECH® Ball Valve have been designed for pressure rating UPTO 10,000 PSIG (680 Bar) with Live Loaded PEEK Ball Seat which provides repeated Leak Tight shut-off and also compensate for wear and Pressure / Temperature fluctuations during its operations. These Valves are most suitable to be used in Fluid / Gas Control System in wide range of Industrial segment.

Construction & Features of Ball Valves with Live Load PEEK Seat

Features / Benefit :
  • Available in Material SS316.
  • Material traceable to certified material test report.
  • Three piece body design.
  • Low torque actuation bi-directional flow.
  • Floating Ball design.
  • Quarter turn positive stop handle.
  • Every Valve is factory tested.
Product Range and Operating Parameters :
  • Pressure Rating
    (Ball Valve Series : VB41, VB43, VB45 & VB47) :UPTO 3000 PSIG (206 Bar) at CWP with PTFE Seat & Fluorocarbon / PTFE ‘O’ Ring
  • Pressure Rating
    (Ball Valve Series : VB71, VB81, & VB91) :UPTO 10,000 PSIG (680 Bar) at CWP with PTFE Packing, PEEK Seat & Fluorocarbon ‘O’ Ring
  • Temperature Rating : -54o C to 180o 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.
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    Certification :
    The Certificate to 3.1 acc. to EN10204 for Valve body material and pressure test will be provided on request.

    Instrumentation Ball Valves are also known as :
    High Pressure Ball Valves, Medium Pressure Ball Valves, 2 Way Ball Valves, 2 Way Panel Mounted Ball Valves, Panel Mounted Ball Valves, 3 Way Ball Valves, 3 Way Panel Mounted Ball Valves, Diverter Ball Valves, 3 Way Diverter Ball Valves, Ball Valves for CNG, High Purity Ball Valves, Ultra High Purity Ball Valves, UHP Ball Valves, ‘O’ Ring Face Seal Ball Valves, Angle Ball Valves, etc.