Worcester-Controls Low-Temperature Ball Valve, LTS4
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LTS4 Low-Temperature Ball Valve

Brand: Worcester-Controls
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Flowserve Worcester Controls has tailored the LTS4 Series valves to meet the severe condition of oil and gas production in northern climates. 

All materials and seals were carefully chosen to meet or exceed the -45°C (-50°F) minimum design temperature. 

Additionally, the LTS4 valve incorporates Worcester’s standard three-piece design and components making the valve easy to service with readily available repair parts.

Specifications

Brand

Ball Material

  • 316 Stainless Steel - ASTM A479

Bearing Material

  • Thrust Bearing: Delrin

Enclosure, Body Material

  • 316 Stainless Steel
  • Carbon Steel (ASTM A350 Grade LF2)

Handle Assembly Material

  • Zinc-Plated AISI 300 Series Stainless Steel

Materials of Construction

  • Valve Pipe End: Carbon Steel (ASTM A350 Grade LF2)

Name Plate, Tag Material

  • AISI 304 Stainless Steel

NPT Connection

  • 1” NPT Female
  • 1/2” NPT Female
  • 1-1/2” NPT Female
  • 2” NPT Female
  • 3/4” NPT Female

Nut & Bolt Material

  • Body Bolt, Nut: 304 Stainless Steel (ASTM A193 Grade B8, ASTM A194 Grade 8)
  • Body Bolt: Zinc-Plated

Pressure Rating

  • psig: 1,480 (kPa: 10,200, bar: 102.1) Cold Working Pressure (CWP) with Polyfill ”P” Seats
  • psig: 2,000 (kPa: 13,790, bar: 137.9) Cold Working Pressure (CWP) with Delrin AF ”Y” Seats

Seat / Seal Material

  • Body Seal: TFE
  • Body Seal: TFE Coated 316 Stainless Steel ”S” Gasket
  • Seat: Delrin AF
  • Seat: Polyfill
  • Stem Seal Follower: AISI 316L Stainless Steel
  • Stem Seal: PEEK (Combination of Polyfill & PEEK Components)

Stem Material

  • 316 Stainless Steel - ASTM A479
  • Hardware: AISI 300 Stainless Steel

Temperature Range

  • -10° to 82° C (-50° to 180° F) Cold Working Pressure (CWP) with Delrin AF ”Y” Seat, Polyfill ”P” Seat

Valve Size

  • 1/2 to 2” (12.7 to 50.8 mm)

Welded Connection

  • 1” Butt Weld End (ANSI B16.25)
  • 1” Socket Weld End (ANSI B16.11)
  • 1/2” Butt Weld End (ANSI B16.25)
  • 1/2” Socket Weld End (ANSI B16.11)
  • 1-1/2” Butt Weld End (ANSI B16.25)
  • 1-1/2” Socket Weld End (ANSI B16.11)
  • 2” Butt Weld End (ANSI B16.25)
  • 2” Socket Weld End (ANSI B16.11)
  • 3/4” Butt Weld End (ANSI B16.25)
  • 3/4” Socket Weld End (ANSI B16.11)

  • Oil & Gas Production

Documentation

Data Sheets

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