Worcester® Cryogenic Three-Piece and Flanged Floating Ball Valve

Worcester® cryogenic three-piece and flanged floating ball valves provide reliable isolation in critical low-temperature service. A welded on bonnet, live-loaded PTFE packing and robust stem design support emissions performance, maintainability and service life while addressing key cryogenic and fire-safe requirements.

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Cryogenic Temp
-253°C (-425°F)
Fugitive Emissions
API641 & ISO15848
Fire Safe
API607 & ISO10497

  • Certified designs address current fire-safe and fugitive emissions requirements
  • High-strength stem supports reliability, service life and API 608 compliance
  • Live-loaded sealing maintains positive packing load for leakage control
  • Welded on bonnet design provides connection to body strength, and avoids creating a new path for leakage
     

Standards and certifications:

  • ASME B16.34, BS 6364, MSS SP-134, ISO-28921, API 608, ISO 17292, ASME B16.10, ASME B16.5
  • Fire-safe certified to API 607 and ISO 10497
  • Fugitive emissions certified to ISO 15848 and API 641
  • PED and SIL 3 capable
  • TSG
  • CRN

Pressure Class Range: ASME Class 150 to Class 300 flanged; Class 600 three-piece

Temperature Range: -253°C to 260°C (-425°F to 500°F)

Size Range: DN15 to DN200 (½ to 8 in.) flanged; DN15 to DN50 (½ to 2 in.) three-piece

Materials: Stainless steel, brass (three-piece); other alloys on request

  • Worcester three-piece (Series CF44)
  • Worcester flanged (Series CF51/52)

Documents & Support

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