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Soft seated elastomeric Butterfly Valves SBE are available in either wafer or lug design for on/off, throttling or control applications for dilute acids and lye, powdery media or gaseous service.
Main features
l Large selection of different materials and trims
l Blow-out proof one-piece disc/stem assembly
l Flow-optimized disc for high cv values
l Disc features a rated breaking-point outside the atmospheric seal
l Hysteresis free throttling characteristic
l Easy installation and maintenance due to split body design
l ISO mounting flange for direct automation
Technical data
Version | DIN / ISO | ANSI |
Sizes | DN40 – DN800 | 1½" – 32" |
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 |
Liner | EPDM, FPM, NBR | |
Valve disc | 1.4462 Duplex, PFA, PFA-AS encapsulated (conductive) | |
Operating conditions | (Depending on lining material) | |
Pressure | up to 16 bar | |
Temperature | -40°C up to +200°C | |
Options
Body | Stainless steel casting 1.4408 | AISI 316 CF-8M |
Liner | SBR, VMQ, CXN, EPDM white | |
Valve disc | ETFE, PVDF, PP, 1.4462 polished, Titanium Grade 2, Hastelloy C | |
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