Extended Stem Ball Valve Cim 501CR
January 2007
The Cim 501CR is a specifically designed ball valve which features an extended valve stem. The most popular use of the Cim 501CR is as an isolation valve on insulated pipelines, such as hot water and chilled water lines. Insulation (lagging) is required to reduce heat loss or gain.
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It is a very expensive exercise to heat or chill large amounts of water and insulation is a critical factor. The Cim 501CR with its integral extended stem has several important benefits when compared to a standard ball valve which had an optional extension piece fitted.
The Cim 501CR is stronger and less prone to leaking. If a ball valve is going to leak, in general, it will leak through the stem. Leak detection is much easier as it would show at the top of the stem rather than inside the insulation as with optioned valves. This means that finding and repairing leaks is much simpler and avoids having to rip up metres of insulation to find where a leak is coming from.
With the Cim 501CR, the stem does not turn when the valve is operated. This feature allows the ball valve to be completely encapsulated and sealed, unlike other optioned valves which would break the seal when operated.
See below for more details:
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