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8. Inspection and Maintenance
Operational inspections should be performed at least twice per year, or as called for by trap
operating conditions. Faulty steam traps may result in losses due to steam leakage. Follow the
instructions below for disassembly and reassembly when cleaning or repair is necessary.
CAUTION
• Installation, inspection, maintenance, repairs, disassembly, adjustment
• Before attempting to open the trap, close the inlet and outlet isolation
• LV13L and LV13N can be maintained without being removed from the
• If using a vise when dismantling the trap, screw a nipple or pipe end
• Be sure to use the proper components and NEVER attempt to modify
Gasket
Screen
X-element
Valve Seat
Body, Cover
Disassembly/Reassembly (to reassemble, follow procedures in reverse)
Part & No.
Cover 2
Use an open-end wrench to
remove
Cover Gasket 8
Remove carefully
(Brass models)
Spring Clip 7
Use pliers to remove
X-element 3
Use pliers to grasp the ball at the
tip of the element and remove
Valve Seat 4
Use a socket wrench to remove
(LV13L, LV13N)
X-element Guide 9
Be careful not to bend the guide
(LV13L, LV13N)
Screen 5
Be careful not to bend the screen Be careful not to bend the screen
and valve opening/closing should be carried out only by trained
maintenance personnel.
valves and wait until the trap has cooled to room temperature. Failure
to do so may result in burns or injury.
pipeline, on the condition that the surrounding pipes are securely
supported. If the pipes are not properly supported, they may be
damaged when torque is applied in the loosening or tightening of the
cover. Such damage could result in steam spraying out and causing
serious injury.
into the outlet to prevent deformation of the threaded connection.
the product.
Parts Inspection Procedure
Check for warping or damage (brass models)
Check for clogging or corrosion damage
Check for rust, scale, oil film, wear or damage
Check for rust, scale, oil film, wear or damage
Check inside for rust and scale
Disassembly
̶ 12 ̶
Reassembly
Clean seating surfaces; coat threaded
portions of the stainless steel models with
anti-seize; tighten to the proper torque
Replace with a new gasket only if worn or
damaged
Insert securely into the 3 slots in the guide
or cover (see Figure A, page 13)
Insert with right side up; make sure it
does not catch on guide or cover (see
Figures A and B, page 13)
Do not coat threaded portions with anti-
seize, tighten to the proper torque
Fix with Valve Seat and make sure the
X-element can be inserted smoothly
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