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USER MANUAL
3.2.3
Storage conditions
Store the control valve in a safe area to avoid damage.
WARNING
CRUSHING HAZARD
During installation or removal of a control valve, always place the unit on a stable
platform or surface that supports its assembled weight.
Failure to comply may allow the control valve to roll, resulting in death, serious injury or
equipment damage.
Table 3-1: Control valve storage conditions
Parameter type
Description
Storage environment
conditions
For long term storage, it is recommended that the complete control
valve assembly be stored under cover in a controlled environmental
atmosphere in the original packaging. The storage temperature limits
are: 20 ºC to 60 ºC (68 ºF to140 ºF) .
Shelf life for elastomers
Inspect O-rings for wear or damage during disassembly of the cover
and right before assembling the unit. Replace damaged elastomer.
Viton
®
has an unlimited shelf life.
Inspect stored
equipment
Examine the internal surfaces and flange faces of the control valve at
least once every three months.
Repack the control valve as originally received.
Labels and nameplates
Do not remove nameplates or labels. Doing so will void the control
valve warranty.
Stacking conditions
When stacking equipment, follow all the safety standards taking into
account the type of box used, the maximum height of the equipment,
the maximum number of boxes stacked, etc.
3.3
Lifting conditions
WARNING
CRUSHING HAZARD
During installation or removal of a control valve, always place the unit on a stable
platform or surface that supports its assembled weight.
Failure to comply may allow the control valve to roll, resulting in death, serious injury or
equipment damage.
WARNING
LIFTING HAZARD
The lifting instructions are for installation and removal of a Daniel control valve only and
do not address lifting the control valve while it is attached or bolted to piping.
Failure to follow these instructions may result in death, serious injury or equipment
damage.
Control valve handling
User manual
August 2019
DAN-20064957
28
707 Spring Loaded Back Pressure Valve