MB2000/3000/5000 OPERATING AND MAINTENANCE MANUAL
TAYLOR-WHARTON (BEIJING) CRYOGENIC EQUIPMENT CO., LTD.
10
EQUALIZATION VALVE
（
HV10
）
To balance the pressure of liquid phase and gas phase ,the NI will be zero
when it is opened.
VACUUM PUMP
DOWNCONNECTION
（
PSE3
）
the port used to pump air from the tank insulation space. It is normally
blanked-off and never opened uLI1ess the tank requires a field
re-evacuation after a repair
；
VACUUM PROBE VALVE
（
HV8
）
a thermocouple that is installed to allow connection of a vacuum gauge to
measure the quality of the vacuum in the insulation space
；
VACUUM PROBE
（
VJ
）
opened during vacuum measurement to expose the vacuum probe sensors to
the tank insulation space
。
FILL LINE PURGE VALVE
（
HV17
）
used to vent the fill line during fill hose cool-down, and to drain liquid
product trapped between the fill connection and the fill valves after a fill is
completed
。
ATMOSPHERIC VAPORISER
（
E100
）
One heat exchanger that absorbs heat energy of around atmosphere and
make the liquid vaporize gas .
INSTALLATION
HANDLING
Dimension and connection data for the MB tanks can be found on additional copies of these drawings
may be requested from the factory. Please include information on the tank model number and part number
in making requests for this drawing. The drawing part number is listed in the applicable Specification
chart in this manual.
Tank installation is the customer's responsibility. The MB tank with pallet for equipment to hand or transit
expediently .no especial demand for the toft to use temporarily, advise build one toft for fixation long
time ,and refer to local codes for recommended foundation specifications. Employ experienced personnel
to move and install the tank. This tank must be shipped and lifted empty, and with a warm inner vessel
。
The tank can be used forklift handing or crane lifting bases on local condition .
INSTALLATION CHECKS
Before off-loading the tank, inspect it carefully for possible shipping damage. Report any damage to the
carrier and the factory. In addition, check tank pressure and vacuum as follows:
1. Tanks are shipped pressurized with nitrogen gas at about 0.175MPa. Open the gauge vapor phase
isolation valve (RS) and read tank pressure indicated on pressure gauge or a pressure gauge installed by
user. Record the "as received" tank pressure. close the vapor phase isolation valve.
Tank pressure may change due to temperature variations, accidental opening of valves, packing leaks,
or minor leaks at the fill connection. If a positive pressure is not indicated on the pressure gauge and no
repairable leaks are found, contact the factory in accordance with conditions specified in the tank
warranty.
2. Check insulation space vacuum by connecting a Hasting-Raydist Model TV-4A or VT-6 vacuum gauge
to the tank vacuum probe. Open the tank vacuum probe isolation valve, wait 60 minutes, and take a
reading. If the "as received" vacuum (tank at ambient temperature) is greater than 2 Pa (0.02 mm Hg)
absolute, contact the factory.
