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7. Inspection and Maintenance
Operational inspections should be performed at least twice per year, or as called for by trap
operating conditions. Steam trap failure may result in a temperature drop in the equipment, poor
product quality or losses due to steam leakage.
CAUTION
Gasket:
Float:
Body Interior:
Valve Seat and Drain Hole:
Part & No.
Loosen the wing nut then remove
Body Clamp 4
the body clamp
Take apart without scratching the
Upper Body 2,
gasket sealing surfaces
Lower Body 1
Remove being careful not to
Body Gasket 5
scratch sealing surfaces
Remove being careful not to
Float 3
scratch the polished surfaces of
the float and lower body
Part Name
Wing Nut
• Inspection, disassembly, maintenance and repairs should be carried out
only by trained maintenance personnel.
• Before attempting to open the trap, close the inlet and outlet isolating
valves and wait until the body has cooled completely. Failure to do so
may result in burns.
• Be sure to use the proper components and NEVER attempt to modify the
product.
Parts Inspection Procedure
Check for warping or damage
Check for scratches, foreign matter, oil film, or liquid inside the float
Check for foreign matter build-up, oil film, scratches and wear
Make sure openings are not plugged with foreign matter
Disassembly / Reassembly
During Disassembly
Figure A
Grooves
Tightening Torque
Torque (N
During Reassembly
Tighten wing nut to the proper torque;
open inlet valve and allow live steam to
enter and heat the trap, then close the
inlet valve; after the internal and
atmospheric pressures have equalized
and the trap surface has cooled, tighten
wing nut to the proper torque again
With gasket in place, align groves (fig. A)
and gently place the upper body on the
lower body
Replace with a new gasket only if
damaged
Insert into body, being careful not to
scratch its polished surface, take care
not to scratch or damage the valve seat
(fig. B)
m)
•
10
― 8 ―
Figure B
Valve Seat
Torque (ft
lb)
•
7
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