C31
Product information
Habonim 2-piece cryogenic ball valves Series C31 with ISO 5211 top flange feature an upstream relief hole to prevent pressure buildup in the ball.
The minimal fluid layer between bonnet and spindle ensures a leak-free spindle seal. All Habonim cryogenic ball valves feature the patented Total HermetiX™ spindle seal (certified for 500,000 cycles ISO 15848-1) and come standard with double body seals for maximum integrity. The use of short housing bolts minimizes thermal expansion and prevents leakage at the housing seals.

Specifications
- Diameter: 1/2" - 8" (DN15 - DN200)
- Pressure class: class 150
- Temperature range: -269°C to +200°C
- Connections: flanged
- Operation: manual, worm gear, pneumatic or electric drive
- Reduced or full passage
- Fire safe according to API 607, ISO 10497 and API 6FA
- Fugitive emissions according to ISO 15848-1, API641
- Compliant with PED 2014/68/EU/H, ATEX 2014/34/EU, TPED 2010/35/EU and IEC 61508-2 SIL 2/3
- Available including EN 10204 2.2, 3.1 and 3.2
- Available in accordance with multiple marine certifications (upon request)
- Set-up to 45° with 12" bonnet (in accordance with BS6364 guidelines), set-up to 15° with 6" bonnet (available up to 4")
Application
The Habonim C31 Series is a cryogenic ball valve with flanged connections and a lowered port, designed for applications up to 20 bar (290 psi). It features a rugged design with a solid stem, and a No-Trap cavity to prevent pressure buildup. Ideal for cryogenic applications, this valve offers efficient heat transfer, with the ability for bidirectional pressure services. The design ensures that the stem seal remains at an ambient temperature.
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