Bellows Shut-Off valves High Temperature valves - QUALIFLOW - #1

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www.qualiflow.com the catalogue D 10-03 V02 Valves & accessories 395, rue Louis Lépine - BP7 - 34935 Montpellier - Cedex 9 - France - sales @qualiflow.com - tel# (0)4 67 99 47 47 fax# (0)4 67 99 47 48 F-Series High Temp Bellows Shut-Off Valve Ratings Specifications Dead volume 1.4 cm3 with butt weld ends (0.085in3) Flow coefficient Cv=0.34 Orifice size 4.5 mm (0.177in) Temperature Operating -23°C to 240°C (-9.4°F to 464°F) Pressure Ratings Valve Vacuum to 15 bar (200 psi) Pneumatic operator 5–7 bar (72–100 psi) Manual actuator (option) 100 bar (1500 psi) Valve Life Expectancy > 200,000 cycles Helium Leak Rate External <5.10-10 atm cm3/s Across seat <2.10-9 atm cm3/s Features Body Design Multiport configurations, offering wide range of use. Various fitting configuration with standard Moduline dimensions. Rigid mechanical connection between stem tip and actuator. All tube connections are TIG orbital welded. ¼” Flat metallic gasket fittings. Materials Standard Process electropolished, Ra<0.4 ìm (16 ìin) Q+ Process electropolished, Ra<0.15 ìm (6 ìin) Body and bellows 316L VAR Stainless Steel Bellows Hastelloy® for corrosive gases (option) Non rotating stem tip Polyimide (Vespel®) O-ring (body / actuator) Silvered 316L Stainless Steel Actuator Design Interchangeable actuators : pneumatic NO or NC. Permanent color identification for NO or NC. Gold anodized actuator in aluminum. Actuator O-ring in Viton® up to 180°C (356°F) or Kalrez® up to 240°C (464°F). Verification & Packaging 100% inspection with boroscope. Welding photo from boroscope for Q+ process. Warranty and leak test certificate for Q+ process. Vacuum sealed double packaging with N2 purge. Options & Accessories Hastelloy® bellows for corrosive gases. Special mounting plates.