Control systems Control valves
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TI-P183-02 CTLS Issue 10
Steri-trol Aseptic Service 'S' series Two-port Pneumatic Control Valves - DN15 (½") to DN100 (4") Description Steri-trol 'S' series are two-port control valves manufactured using 316L stainless steel. They are designed for modulating control of clean steam, pure steam and process fluids. The valve is operated by a pneumatic actuator and may be interfaced with a control system using any of the Spirax Sarco range of positioners. Available types SB Two-port angle pattern design with aseptic steam sanitized bonnet SA Two port angle pattern design (for chemical free steam)
Valve characteristics - options: SBE SAE
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Equal percentage (E) - Suitable for most modulating process control applications good control providing at low flowrates. Linear (L) - Primarily for liquid flow control where the differential pressure across the valve is constant.
SBL SAL
Approvals and certification Compliant to ASME BPE SF4 2019, internal surface finish 0.375 μm, FDA, and USP 26 Class VI approved sealing materials. EN 10204 type 3.1 certificates supplied as standard. Surface finish certificate supplied as standard. Valve seating - options S Metal-to-metal (as standard) - Stainless steel V Soft seal - White Viton to provide a tight shut-off
Valve stem sealing - options V
White Viton - USP 26 Class VI approved
The Steri-trol can be used with the following actuators Pneumatic PNS3000, PNS4000, PN9000E and PN9000R series Refer to the relevant actuator Technical Information sheet for further details.
TI-P183-02 CTLS Issue 10
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Steri-trol Aseptic Service 'S' series Two-port Pneumatic Control Valves - DN15 (½") to DN100 (4")
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