®
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Pre Installation Checklist:
1.
in determining these values.
2. Inspect all sealing surfaces to ensure gasket surfaces
should also be checked for proper alignment. WYE
strainers should never be utilized to realign an existing
piping system.
3.
type as the WYE strainer being installed. Raised face
4. Ensure strainer end-to-end length and installation
clearance for easy opening of cover and screen removal.
5. If the WYE strainer is to be located on the discharge side
of a pump, then a safety release valve must be installed
between the WYE strainer and the pump.
Figure 34: WYE Strainer - Flanged Ends
WYE Strainers
Figure 33: WYE Strainer Straining Illustration
Figure 35: Bolting Sequence Pattern
Note: Excessive bolt torque may damage anges. Please
refer to established ange bolt torques for guidelines.
Installation Procedure:
1.
pressure gauge at inlet and outlet connections or at the
2. WYE strainers must be positioned in the pipeline ahead
of the equipment requiring protection.
3. To provide for easier maintenance, the WYE strainer
should be located where the drain plug can be removed.
the lowest position when installed. If installed in the
vertical position, the WYE side of the strainer must be
pointing downward.
4. Ensure there is ample space at the WYE side of the
strainer for screen removal.
5. Before placing the WYE strainer into place, support the
existing pipeline with pipe supports near the inlet and
outlet connections.
6. Place the WYE strainer into the pipeline ensuring
large or heavy strainers, appropriate material handling
equipment must be used.
7.
tighten. Flange bolts should then be tightened, using
a star or crisscross pattern to evenly load the bolts, in
accordance with established piping standards. This is
illustrated in Figure 35.
High Particle Retention
& Accumulation Areas
Flitered
Flow
Unitered
Flow
Machined Seats and Caps
for Fine Filtration
Manual or Automated
Valve Mounted to Blow O
Enables Self Cleaning
Operation
Once proper installation has been successfully completed,
start the system gradually, at start up as well as after shut
down. This eliminates sudden shock to the strainer and
other equipment in the line. This is extremely important for
steam service.
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