KEYSTONE OPERATING AND SAFETY INSTRUCTIONS
Model FC CheCk ValVes
Before installation these instructions must be fully read and understood
CE Mark in accordance with P.E.D. requirements
Work order number
Keystone
Valve identification code (VIC)
INSTALLATION
WARNING
For safety reasons, it is important to take the
following precautions before you start work on
the valve:
1. Personnel making any adjustments to the
valves should utilize equipment and clothing
normally used to work with the process where
the valve is installed.
2. The line must be depressurized, drained and
vented before installing the valve.
3.
Handling and installation of all valves,
operators and actuators must be carried out by
personnel trained in all aspects of installation
and manual/mechanical handling techniques.
4. Ensure the valve pressure/temperature
limitations marked on the identification label
are above or equal to service conditions.
STORAGE/PROTECTION/SELECTION
Storage
When valves are to be stored for some time
before being fitted, storage should be in the
original delivery crates with any waterproof
lining and/or desiccant remaining in place.
Storage should be off the ground in a clean, dry,
indoor area. If storage is for a period exceeding
six months the desiccant bags (if supplied)
should be changed at this interval.
Protection
Valves are delivered with protection according to
customer’s specification, or in accordance with
the Quality Assurance Manual, to protect the
valve seats and closure member from damage.
Wrapping and/or covers should be left in place
until immediately before fitting to the pipe.
Selection
Ensure the valve’s materials of construction
and pressure/temperature limits shown on
the identification plate are suitable for the
process fluid and conditions. If in doubt contact
themanufacturer.
Installation
1. Installation may be carried out with pins
displaced through any angle permitted by
the bolting.
2.
Check valves are designed to be unidirectional
and the valve body is labeled accordingly
3. Ensure that mating flanges and gaskets are
clean and undamaged.
4. Should there be any possibility of abrasive
particles (weld slag, sand etc.) within the
piping system, this could damage valve
seating areas. The system will need to be
flushed clean.
5. Ensure mating pipe flanges are aligned
correctly, bolting should be easily inserted
through mating flange holes.
6. Fit the valve into pipework.
7.
Tighten the flange bolts in a diagonal pattern.
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.
KEYSTONE OPERATING AND SAFETY INSTRUCTIONS
Model FC CheCk ValVes
OPERATION/ROUTINE MAINTENANCE/SPARE
PARTS
!! Read all warning labels fitted to the valve
before operation or maintenance !!
Operation
The valve operates automatically, according to
the flow direction of the line media.
Routine maintenance
No routine maintenance is required other
than periodic inspection to ensure satisfactory
operation and sealing.
Spare parts
Valves are identified by a code, which is
stamped on the identification plate, located on
the valve body. This reference should be quoted
in respect of any after sales queries, spare
parts or repair enquiries/orders.
Neither Emerson, Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance of any product.
Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Keystone is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions, Emerson
and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be
construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are governed by
our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time without
notice.
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