CHART CryoDoser FleX - Daily Operating Procedures; Dura-Cyl Liquid Cylinder Fed System; Dura-Cyl Cylinder Change out Procedure

13
Product Manual - CryoDoser FleX
™
LN
2
Dosing System
The CryoDoser FleX system can be fed by either a portable
Dura-Cyl
®
Liquid Cylinder or a bulk tank (house fed) liquid
nitrogen system.
Dura-Cyl
®
Liquid Cylinder Fed
System
Note: LN
2
is -320°F (-196°C). Any water and/
or moisture can cause ice which will affect
the performance of the CryoDoser FleX
system. Providing a positive pressure
Daily Operating Procedures
Dura-Cyl Cylinder Change Out Procedure
The Dura-Cyl cylinder will need to be changed out from
time to time. The operator should visually check the gauges
on the Dura-Cyl cylinder to monitor the internal liquid
level. When the gauges read low levels, it must be swapped
with a full Dura-Cyl cylinder. Chart recommends a cylinder
pressure of 60 psi and above.
1. Close the liquid valve (clockwise direction) on the
Dura-Cyl cylinder.
2. Disconnect the C-Flex hose from the Dura-Cyl cylinder
using a 7/8” open end wrench or adjustable crescent
wrench.
3. Connect the C-Flex hose to the liquid outlet on the full
Dura-Cyl cylinder using a 7/8” open end wrench or
adjustable crescent wrench.
Note: The CryoDoser FleX unit will continue to
dose properly until the liquid level inside
the CryoDoser FleX unit runs low. This
feature gives the operator a reasonable
window in which to change out the
Dura-Cyl cylinder without disrupting the
production operation.
of GN
2
(also known as purging) to the
CryoDoser FleX unit before introducing
LN
2
into the body will eliminate many
performance interruptions.
Image 22