CONTENTS
Product Overview
Safety Precautions
Product Introduction
Product Use
Introduction and Use of Level Meter
Maintenance and Servicing
Common Problems
Packing List
1
3
4
9
13
17
19
20
3
2
Dear user of
MRC
Hello! Thank you for choosing
MRC
Self-pressurized Series for LN2 Storage and
Supply (hereinafter referred to as “the Product”). Please read and follow the
Instructions strictly and keep it properly, to better understand the Instructions, well use
!the Product and avoid personal injuries or property losses
The Product is a cryogenic vessel. User is recommended to assign specific person to master
the Instructions and operate the Product as specified.
Organize safety education to relevant personnel regularly to avoid losses due to misoperation.
It is forbidden to overfill the Product. It should reach the lower edge of neck tube as the optimal
injection volume.
The pipeline connecting the liquid nitrogen container to the outside must be firm to prevent the
occurrence of liquid nitrogen leaking, dripping, splashing and other phenomena to ensure the
safety of the operator.
After use of the Self-pressurized Series tank, the inlet valve must be closed.
The bottom of the container is equipped with four high-strength casters, which is convenient for
short-distance movement of the container. When moving, care should be taken, and it must not
be pushed or moved violently to prevent collision. It is strictly forbidden to move on uneven
ground.
Transfer the Product with care to avoid overflow and splashing.
It is forbidden to contain any other low-temperature or high-temperature medium other than liquid
nitrogen; otherwise, quality warranty will expire!
Avoid skin exposure and take proper protection measures, such as low-temperature gloves and
goggles, while handling the Product due to its ultralow temperature (-195.8
℃
). Do not wear boots
to avoid cold injury when liquid nitrogen drops in the boots.
Do not touch the container opening of liquid nitrogen due to low temperature.
It is forbidden to block the container opening that has liquid nitrogen; otherwise, pressurization
and explosion may occur!
SAFETY PRECAUTIONS
WARNING
ATTENTION
Violation may lead to major casualties!
Actions or operations which
must be prohibited
Actions or operations which
must be followed
Violation may lead to personal casualties,
container damage and property loss!
