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Piping & Fitting Covers

Y-Strainer Insulation Covers

A Y-strainer has an angled body and a removable screen or blowdown point. Both must be considered before a cover structure is discussed.

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Y-Strainer Covers
Design illustration

Compare designs, materials and expected results

What to measure before requesting a quote

Branch orientation, cap diameter, and space to withdraw the screen.

Keep accessible · Screen cap, blowdown valve, and tool clearance where applicable.

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
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What we need

Information to prepare

  • Strainer body geometry and the angle of the branch leg
  • Position and size of the screen cover, plug or blowdown connection
  • Whether the screen must be serviced without removing the whole cover
  • Operating and maximum temperature and working medium
  • Clearance to adjacent piping and supports
Measurement record

Points to record with units

  • Overall body length and maximum body diameter
  • Branch leg length, angle and end connection
  • Screen cover diameter and projection
  • Blowdown or drain point location
  • Clearance on all sides for removal of the screen
Structure questions

Design considerations

  • A service panel is a design question to be agreed, not a standard feature.
  • The branch leg usually needs a separate structural decision from the main body.

Specifications for a written quote

Branch angle and service clearance

Body length, branch and cap dimensions, blowdown position and the distance required to withdraw the screen.

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

Published industry reference

The data sheet identifies compatible strainer models by variant. Confirm the exact body and branch configuration.

Spirax Sarco lists maximum equipment surface temperatures of 240 °C for its standard variant and 425 °C for its high-temperature variant. These figures apply to the listed configurations.

The data sheet lists silicone-coated glass fibre fabric and mineral fibre insulation. Use these as comparison points when reviewing supplier material data.

Spirax Sarco insulation jacket data sheet, TI-P225-07

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

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Y-strainer diagram showing the inclined branch below the main line
Equipment diagram · The branch geometry helps locate the space needed to withdraw the screen. Y type strainer by Palagiri / Wikimedia Commons · CC BY-SA 4.0 · Resized and converted to WebP

Compare cover designs

Y-Strainer with Blowdown Access Concept
Design illustration
TERCC-RD-007

Y-Strainer with Blowdown Access Concept

Two-piece

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

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