The Flowserve TX3 triple offset butterfly valve offers excellent shutoff capabilities, with the low torque and reduced wear benefits of a triple offset design. The laminated disc seal, in conjunction with the triple offset geometry, results in a design that can provide bidirectional, bubble-tight shutoff.
Design Standards |
ASME B16.34, API 609 (Category B), PED |
Sizes |
3 to 24 NPS |
Pressure Classes |
ANSI Class 150, 300, 600, 900, 1500 |
End Connections |
Lugged, Wafer, Double Flanged (long and short), Butt-weld (cryogenic) |
Face-to-Face |
API 609 (lug and wafer), API 609 and B16.10 (long pattern), API 609 and ISO 5752 (short pattern) |
Operating Temperature |
Standard -58¡ÆF (-50¡ÆC) to 800¡ÆF (427¡ÆC), High Temperature to 1500¡ÆF (820¡ÆC), Cryogenic to -320¡ÆF (-196¡ÆC) |
Leakage Rates |
API 598 and ISO 5208 Rate A (laminated seat); Rate CC (metal seat) |
Fire Safety |
API 607, ISO 10497 |
Fugitive Emissions |
ISO 15848 Tightness Class BH, Endurance Class C01 (low emissions packing) |
Country Approvals |
PED (EU), TRCU (Russia), CRN (Canada) |
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