Worcester Cryogenic three-piece and flanged ball valves from Flowserve deliver maximum reliability and fugitive emissions compliance in critical service applications. The valves include a newly developed, bolted cryogenic bonnet design and enhanced performance features. They are also designed to API 641 and ISO 15848 requirements for fugitive emissions. Available in both three-piece and flanged designs, the enhanced Worcester cryogenic ball valves offer many features, such as fire-safe certifications as standard, API 608 compliance, robust live loaded PTFE packing, tongue and groove body joint sealing (three-piece) and threaded end plug on all sizes (flanged). Designed in accordance to the most prominent cryogenic standards, such as BS 6364, MSS SP-134, ISO 28921 and others.
Standards and certifications:
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
