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Swissfluid plastic lined Butterfly Valves for on/off, throttling or control applications for liquid, powdery media or gaseous service.
Main features
l Large selection of different materials and trims
l Dynamic, live loaded stem seal according to TA-Luft
l Flow-optimized disc for high cv values
l Mechanically locked in disc encapsulation
l Blow-out proof one-piece disc/stem assembly
l Disc features a rated breaking-point outside the atmospheric seal
l Wide, chambered flange face
l Hysteresis free throttling characteristic
l ISO mounting flange for direct automation
Technical data
l Flanges according to DIN PN10/16 resp. ASME class 150lbs
l Face-to-face according to EN 558-1 series 20 resp. ASME Bl6.10
l Body: Cost steel 1.0619 (A216 WCB) or stainless steel 1.4408 (A351 CF-8M),1.4404 (A276 316L), wirfi integrated ISO Range
l Liner: PTFE, PTF&AS (conducive), UHMWPE, PVDF
l Disc encapsulated: PFA, PFA-AS (conductive), PVDF, ETFE, PP
l Disc solid (polished): SS Duplex, Titanium Gr. 2/Gr. 7, G276, C-2000
l Elastomer Energizer: VMQ, FPM, EPDM
l Higher pressure ratings possible
Technical data
Version | DIN / ISO | ANSI |
Sizes | DN25 – DN1000 | 1" – 42" |
Flanges | EN 1092-1 B1 | ASME B16.5 RF |
Face to face | EN 558-1 series 20 | ASME B16.10 |
Body | Cast steel 1.0619 | ASTM A216 WCB |
Lining | PTFE, PTFE-AS (conductive) | |
Valve disc | PFA, PFA-AS-encapsulated (conductive) | |
Backing | VMQ | |
Operating conditions | (Depending on lining material) | |
Pressure | 1mbar up to 16 bar | |
Temperature | -40°C up to +230°C | |
Options
Body | Stainless steel casting 1.4408 | AISI 316 CF-8M |
Stainless steel casting 1.4404 | AISI 316L CF-3M | |
Lining | PTFE-T, UHMWPE, PVDF | |
Valve disc | ETFE, PVDF, PP, 1.4462 polished, Titanium Grade 2, | |
Backing | FPM, EPDM | |
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