Taylor-wharton XL-55 Manuel d'utilisateur télécharger pdf (Page 7)

The VENT Valve – This valve controls a line into the head space of the container. It is

used during the fill process. The VENT valve acts as a fill point during a pump transfer, or

to vent the head space area while liquid is filling the inner container during a pressure

transfer fill through the LIQUID valve.

The Pressure Gauge – The pressure gauge displays the internal container pressure in

pounds-per-square-inch or in kilo Pascals.

The Full View Contents Gauge – The container contents gauge is a float type liquid

level sensor that indicates container liquid through a magnetic coupling to a yellow indica-

tor band. This gauge is an indication of approximate container contents only and should

not be used for filling; liquid cylinders should be filled by weight.

Relief Devices – These cylinders have a gas service relief valve and inner container

bursting disc with settings of 230 psig (16 bar/1586 kPa) and 380 psig (26 bar/2620 kPa)

respectively. A 22 psig (1.5 bar/152 kPa) relief valve is available for liquid delivery applica-

tions.

WITHDRAWING GAS FROM THE CONTAINER

To withdraw gas from the XL-45/50/55 connect a suitable pressure regulator to the USE

connection, and the output of the regulator to your external equipment. Then open the

USE and the PRESSURE BUILDING valves. When the container pressure reaches 125

psig (8.6 bar/862 kPa), set the pressure regulator for the desired delivery pressure.

Pressure

Building Rates

Graph

CAUTION:

When withdrawing

gas from the cylinder,

the capacity of the

internal vaporizer can

be exceeded. If gas is

withdrawn at rates

greater than the

vaporizer capacity,

liquid or very cold gas

will be discharged.

Severe damage to

external equipment

could result from the

extreme cold.

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Taylor-wharton XL-55 Manuel d'utilisateur Page 7