352 Liquid Level Systems

Model 352 Liquid level system does not come into contact with the DPU, making it ideal for applications involving corrosive liquids or tank temperatures above 200 ° F (95 ° C). The DPU can be installed up to 50 ft (15 meters) back from the vented or closed system ship and above the smallest detector at altitudes of up to 30 ft (9 meters). The elevation of the readout instrument (DPU) with respect to the sensors is essentially unlimited as long as the instrument calibration considers the difference in elevation between the two sensors.
Dual sensors linked to a gage or differential stress receiver, sensor or change by capillary tubing. Available in safe working pressure of 500 psig or 3000 psig. The transmitter can be installed up to 50 feet from the sensor and up to 30 feet above the smallest sensor at altitudes. Unlimited sensor altitude above the transmitter. The Model 352 comprises of two comparison detectors linked to a DPU by capillary tubing.
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351 l 352 l 353 l S048

SKU: CSC69 Categories: ,

Description

SPECIFICATIONS

352 Liquid Level Systems

One or two enclosed detectors are linked by capillary tubing to the DPU. These devices comprise bellows that operate as “containment locks.” As stress on the bellows of the sensor differs owing to fluid density modifications, the differences are transferred hydraulically through the tubing to the bellows of the DPU. The capillary tube is versatile and simple to mount, independent of the form of the ship being fitted. Models 351, 352 and 353 can be mounted with welded (NPT), flanged or pipe coupling links and do not involve any internal plumbing of the ship. Model S048 (variation of Model 352) can be readily installed inside a ship.

The detectors are compact and lightweight and are backed by piping links or hanging brackets. If necessary, commercial elevated-face socket-weld style flanges can be adjusted to the scheme. When using dual detectors (Model 352 or 353), one detector is positioned at the edge of the reservoir and the other at the top. As stress on the reduced detector bellows varies owing to fluid density modifications, the bellows migrate, allowing the stress to be transferred hydraulically through the storage fluid in the capillary tube. The receiver then senses the stress. The sensor bellows at the bottom of the tank serves as a guide for determining inner tank temperature.

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