TYPE 670/675/676/680/ECS
SEALOL
Foreword
These instructions are provided to familiarize the user with the seal and
its designated use. These instructions must be read and applied whenever
work is done on the seal, and must be kept available for future reference.
ATTENTION
These instructions are for the installation and operation
of a seal as used in rotating equipment and will help to
avoid danger and increase reliability. The information
required may change with other types of equipment or
installation arrangements. These instructions must be
read in conjunction with the instruction manuals for both
the pump and any ancillary equipment.
If the seal is to be used for an application other than that originally
intended or outside the recommended performance limits, John Crane
must be contacted before its installation and use.
Any warranty may be affected by improper handling, installation, or use
of this seal. Contact John Crane for information as to exclusive product
warranty and limitations of liability.
If questions or problems arise, contact your local John Crane or the
original equipment manufacturer, as appropriate.
ATTENTION
John Crane mechanical seals are precision products and
must be handled appropriately. Take particular care to
avoid damage to lapped sealing faces and to flexible
sealing rings. Do not excessively compress the seal
before or during installation.
Safety Instructions
1. The following designations are used in the installation instructions to
highlight instructions of particular importance.
NOTE
Refers to special information on how to install or operate
the seal most efficiently.
ATTENTION
Refers to special information or instructions
directed towards the prevention of damage
to the seal or its surroundings.
METAL BELLOWS EMISSION CONTAINMENT SEAL
®
2. Installation, removal and maintenance of the seal must be carried
3. The seal is designed exclusively for sealing rotating shafts. The
4. The seal must only be used in technically perfect condition, and must
5. If the pumped fluid is hazardous or toxic, appropriate precautions must
6. Fluorocarbon components should never be burned or incinerated as the
7. PTFE components should never be burned or incinerated as the fumes
1. Check the pump at the coupling for proper alignment of the driver
2. Ensure that the gland plate nuts/bolts are securely tightened according
3. Complete the assembly of the pump, and turn the shaft (by hand if
4. Consult all available equipment operating instructions to check for
Installation, Operation & Maintenance Instructions
Refers to mandatory instructions designed to
prevent personal injury or extensive damage
to the seal or its surroundings.
out only by qualified personnel who have read and understood these
installation instructions.
manufacturer cannot be held liable for use of the seal for purposes
other than this.
be operated within the recommended performance limits in accordance
with its designated use set out in these installation instructions.
be taken to ensure that any seal leakage is adequately contained.
Further information on sealing hazardous or toxic fluids should be
obtained from John Crane prior to seal installation.
fumes and residues are highly toxic. If fluorocarbons are accidentally
heated above 400°C/750°F, they can decompose. Therefore, protective
gloves should be worn as hydrofluoric acid may be present.
are highly toxic.
Before Starting the Equipment
or motor.
to the pump manual instructions and all screws are securely fastened.
possible) to ensure free rotation.
correctness of all piping and connections, particularly regarding
seal recirculation/flush, heating or cooling requirement and services
external to the seal.
Sealol
ECS is a trademark of John Crane Inc.
1
™
®
is a registered trademark of John Crane Inc.
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