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TOSV - QUARTER TURN - TOSV™

TOSV - QUARTER TURN - TOSV™

Catalog TOSV - QUARTER TURN - TOSV™

Triple Offest Segment Valve - Metal Sealing with Zero Leakage

  • Firesafe: Certified to BS EN ISO 10497, API 607 4th edition BS6755 Part 2 and API 6FA
  • Sizes: 2” (50mm) to 84” (2100mm)
  • Body styles: Wafer Flangeless, Wafer Lugged, Double Flanged (short and long patterns)
  • Stem: Internal Anti-blowout stem is standard. External to API 609 optional
  • Geometry: Triple Offset, proven non-rubbing motion with 90° rotation
  • Pressure ratings: ANSI 150# through 2500#.

Utilizing the latest computer aided design systems and software Solent & Pratt enables special design requirements, dimensions and specifications to be accommodated. The TOSV™ series valves are of dedicated Triple Offset * geometry design. This particular feature eliminates the disc-to-seat rubbing condition, normally associated with 'HPBV' butterfly valves, which induces wear of varying degrees, even in metal seated versions. This is an ideal replacement valve for Ball, Plug or Gate types

Standard TOSV design features include zero leakage with bi-directional shut off to API 598, a field replaceable seat and seal ring for reduced maintenance costs, non-galling design to enable a wide variety of material options, with options for live loaded packing and arduous duty bearing protectors.

 

     
 
   
 

TOGV - QUARTER TURN - TOGV™

TOGV - QUARTER TURN - TOGV™

Catalog TOGV - QUARTER TURN - TOGV™

Triple Offset Gate Valve - Metal Sealing with Zero Leakage

  • Firesafe: Certified to BS EN ISO 10497, API 607 4th edition BS6755 Part 2 and API 6FA
  • Sizes: 2” (50mm) to 84” (2100mm)
  • Body styles: Wafer Flangeless, Wafer Lugged, Double Flanged (short and long patterns)
  • Stem: Anti-blowout stem Internal is standard. External to API 609 optional
  • Geometry: Triple Offset, proven non-rubbing motion with 90° rotation
  • Pressure ratings: ANSI 150# through 300#.

Utilizing the latest computer aided design systems and software Solent & Pratt enables special design requirements, dimensions and specifications to be accommodated. The TOGV™ series valves are of dedicated Triple Offset * geometry design. This particular feature eliminates the disc-to-seat rubbing condition, normally associated with 'HPBV' butterfly valves, which induces wear of varying degrees, even in metal seated versions. This is an ideal replacement valve for Ball, Plug or Gate types

Standard TOSV design features include zero leakage with bi-directional shut off to API 598, a field replaceable seat and seal ring for reduced maintenance costs, non-galling design to enable a wide variety of marterial options, with options for live loaded packing and arduous duty bearing protectors.

     
 
   
 

T-SERIES - PTFE SEALED FIRESAFE VALVE

T-SERIES - PTFE SEALED FIRESAFE VALVE

Catalog T-SERIES - PTFE SEALED FIRESAFE VALVE
  • Fire safe and non-Fire safe: Certified Fire safe to BS 6755 part 2 and BS EN ISO 10497.
  • Sizes: 3” (80mm) to 48” (1200mm)
  • Body styles: Double Flanged, Wafer Lugged, Wafer Flangeless
  • Geometry: Double offset giving low unseating and seating torques electroless nickel plated spherical blade periphery is an option.
  • Pressure ratings: ANSI 150#, 300#. PN 10, PN 16, PN 25. Others on request

The shaft is of one piece construction with an anti-blowout feature on the non-drive side and a reduced diameter at the actuator end. If failure of the shaft -to -disc connection, or internal failure of the shaft occurs due to excessive torque, no portion of the shaft can be ejected from the valve as result of internal pressure.

T-Series Resilient Seated Valve

This single piece construction also provides a rigid assembly when pinned to the disc via means of shaft pins (peened over and locked). This prevents excessive disc deflections, which maintains a constant disc/seal contact stress ensuring a bi-directional sealing valve at both low and high pressures. The valve has a double offset design providing a camming action. This eliminates excessive wear between the seat and disc-sealing interface both during the opening and closing strokes extending the sealing life of the valve.

Maintenance of the valve is quick and relatively simple. The PTFE insert, seat gasket and secondary seat can be replaced by simply unbolting the retaining ring and assembling the new parts without removing any other parts. Gland packing is simply adjusted by tightening gland nuts, which are easily accessible between the mounting legs without having to remove the adapter plate or actuator.

 

     
 
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PW TECH Company Limited

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