Shutoff Valve closes as temperature rises.

Press Release Summary:




Hi-Temp Shut-Off Valve for sampling systems responds automatically to temperature, requiring no reset or operator involvement. If temperature reaches 120°F, valve begins to close inlet orifice, and at 130°F, inlet orifice fully closes. Ram-type plug provides tight seal upon shutoff, and valve automatically opens when temperature cools. Valve is made of stainless steel and Teflon® and is rated for 3000 psi.



Original Press Release:



New Hi-Temp Shut-Off Valve From Waters Equipment Co. Operates Automatically As Sample Temperature Change



Lansdale, PA, June 2002 - Waters Equipment Company has introduced a new Hi-Temp Shut-Off Valve, designed for use with sampling systems to shut off flow when the sample temperature becomes too hot.

The Hi-Temp Shut-Off Valve responds automatically to temperature, requiring no reset or operator involvement. Under normal operation the valve is fully open. If the sample temperature reaches 120°F, the thermal element within the valve begins to close the inlet orifice. If the sample temperature reaches 130°F, the inlet orifice becomes fully closed. The ram-type plug design provides tight seal upon shut-off. The valve then automatically opens as the element cools.

The valve is suitable for grab sample or instrument applications that could experience a loss of coolant or surges in sample flow rates, which would cause the sample temperature to rise suddenly.

The Hi-Temp Shut-Off Valve can be installed directly downstream of the primary cooler and is rated for 3000 psi. The valve protects personnel and instruments that could otherwise be harmed by high temperature samples.

The valve is constructed of stainless steel and Teflon to reduce contamination of the sample stream. It features low mass with fast response and measures only 1-3/8" diameter by 3-1/2" length.

For more information, contact Waters Equipment Co., PO Box 576, Lansdale, PA 19446. Tel: (215) 699-8700; Fax: (215) 699-8795; E-mail: sample@watersequipment.com; Web: watersequipement.com.

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