Clean service control valve
October 2006
Valves, Actuators & Pump Control
The new Steri-trol clean service control valves from Spirax Sarco are pneumatically operated with a two-port angle pattern. The angled design allows the valve to self-drain, ensuring that there are no areas where the media can accumulate and create a potential for contamination.
The valve is crevice-free and is mechanically polished to 0,4 microns resulting in a smooth finish that promotes cleanliness and eliminates contamination from pyrogens. The valve is supplied with industry standard control interface devices, including a stainless steel positioner.
A double stem seal protects the valve from contamination and damage, providing a longer stem seal life and reduced maintenance. The one-size stem seal is suitable for all sizes of valves resulting in reduced spares stock holding. A sanitary clamp retains the body and bonnet connection allowing the valve to be quickly and easily opened for inspection and maintenance, minimising any process downtime.
Steri-trol is available in DN15 to DN100 valve sizes with a choice of equal %, linear or fast opening flow designs. Various options include reduced flow, micro-flow and a Class V1 soft seal. Developed from the proven Spirax Sarco rolling diaphragm actuator range, the actuator has a long life design resulting in reduced maintenance and less interruption to the process. Manufactured in 316L stainless steel, Steri-trol meets PN16 requirements and has a maximum 170°C operating temperature. The clean service control valve is suitable for use in the food, brewing and beverage, and pharmaceutical industries, as well as in clean steam, pure steam and SIP/CIP applications.
For more information contact Richard Ransome, Spirax-Sarco, +27 (0) 11 929 6344, [email protected]
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