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Piping & Fitting Covers

Steam Trap Insulation Jackets

Steam traps are included for technical discussion, not as a blanket recommendation. Whether a trap should be insulated depends on the trap type and the manufacturer's guidance.

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Steam Trap Covers
Design illustration

Compare designs, materials and expected results

What to measure before requesting a quote

Trap model and mounting orientation. Confirm insulation suitability with the equipment OEM first.

Keep accessible · Test and inspection points, and any service or blowdown fittings.

TECHNICAL SELECTION

Decisions to make before specifying a cover

Confirm the equipment and operating requirements below before the supplier proposes the final construction and operating limits.

  • Equipment type, size and the datum used for each dimension
  • One unit system for the whole item schedule, and a revision identifier per drawing
  • Operating and maximum temperature recorded separately, with the working medium
  • Service access: handwheels, actuators, nameplates, inspection points and removal direction
  • Existing insulation, supports and adjacent equipment that limit the removable envelope
  • Any buyer-specified standard or documentation requirement, listed as a question rather than a claim
How to describe your item →Who does what →
What we need

Information to prepare

  • Trap type, model and the manufacturer's installation guidance
  • Confirmation from the buyer or their engineer that insulation is appropriate for that trap
  • Trap orientation, connection sizes and nearby condensate return geometry
  • Whether the trap must remain visible for monitoring and testing
  • Operating and maximum temperature and working medium
Measurement record

Points to record with units

  • Overall trap length, height and body diameter
  • Inlet and outlet connection positions
  • Clearance to the strainer, check valve and union connections
  • Test point, sight glass or indicator that must remain accessible
  • Orientation relative to the horizontal
Structure questions

Design considerations

  • Any cover concept must leave the trap identifiable and testable.
  • The reference design is an illustration of a possible structure, not a recommendation to insulate.

Specifications for a written quote

Trap identification and access

Manufacturer, model, connection size, mounting orientation, and the position of test and service points.

Record normal and peak operating temperatures, their units, and the environment around the equipment.

Published industry reference

The TD42 instructions describe an optional cover for that model family. Confirm the instructions for the trap being quoted.

Spirax Sarco TD42 model documentation

TERCC construction and ratings are confirmed for each proposed assembly in the written quotation.

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Thermodynamic steam trap cross-section showing inlet, outlet and filter
Equipment diagram · Identify the trap type and follow the installed model’s instructions. TDS Trap -2 by Palagiri / Wikimedia Commons · CC BY-SA 4.0 · Resized and converted to WebP

Compare cover designs

Steam Trap Cover — Conditional Concept
Design illustration
TERCC-RD-008

Steam Trap Cover — Conditional Concept

Two-piece

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Have a drawing for this item?

Send it with a short description. Detailed technical fields can be completed later during the review.

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