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FLANGES & FITTINGS MANUFACTURING · STEEL PIPE SUPPLYinfo@lkpiping.com

LEKE PIPING / PRODUCTS

Butt Weld Pipe Caps

Butt weld caps close pipe ends. Specify size and wall thickness; provide a drawing for special profiles, height or depth.

Pipe cap showing the domed exterior and weld end

PRODUCT DETAILS

Specify the connection completely.

We can also make custom sizes, wall thicknesses and other dimensions to your drawing. Send the pipe-end requirements and your drawing with your RFQ so we can confirm the details.

ParameterDetails to confirm
FunctionWelded pipe end closure
EndMatching pipe outside diameter, wall thickness or Schedule, and end preparation
ShapeStandard cap configuration or dimensioned drawing with revision
ReferenceApplicable fitting and material standards, editions and material grade

Product dimensions, material grades and documentation are confirmed against your enquiry and applicable project requirements.

Primary dimensional reference: ASME B16.9 (overall scope NPS 1/2–48; check the cap table). Confirm the product type, edition and applicable size before order.

DIMENSIONAL REFERENCE

Pipe Cap dimensional drawing.

Use the section view to identify the dimensions to confirm in your enquiry.

Reading this drawing

D
Cap outside diameter
T
Wall thickness indicated in the section
E (E₁)
Cap overall height indicated by the drawing

Symbols describe this supplied drawing. Confirm their correspondence with the selected standard and dimension table; notation may differ.

Illustrative geometry only. Confirm size, wall thickness, dimensions, tolerances and the applicable standard edition in the selected table or approved drawing.

SELECTION & ENQUIRY

The details that make the difference.

01

Match the pipe end

Confirm the matching pipe outside diameter, wall thickness or Schedule, and weld-end preparation.

02

Define the cap geometry

State the standard and edition; show any special height or depth, measurement reference and tolerances on the drawing.

03

Specify documentation

Include material grade, quantity per item, marking, inspection and required material documents.

TECHNICAL REFERENCES

Check dimensions before your RFQ.

ASME B16.9 — Cap Dimensions

Butt-weld fitting dimensions and geometry

Check the applicable ASME B16.9 cap table, edition, units and size range. Provide a dimensioned drawing and revision for non-standard geometry.

Open technical resources →

DIMENSIONAL REFERENCES

Product reference dimensions.

Reference data retained from the existing product page. Check the stated standard, edition, units and the approved project specification.

Open dimensional reference tables

Product scope

Confirm the details that define the product.

This overview supports the first technical discussion. Final dimensions, material, standard and documentation remain subject to the confirmed project requirement.

Product formPipe cap or drawing-led custom fitting
Connection detailsButt-weld pipe-end closure requirement
MaterialCarbon steel, stainless steel or alloy steel, subject to requirement
Reference basisApplicable fitting standard and wall thickness or schedule
Key information to sendPipe-end dimensions, drawing and project documentation

COMMON QUESTIONS

Before you send the enquiry.

Is this a flange blind?

No. A butt weld cap closes a pipe through a welded connection. For a bolted flange closure, review blind flanges.

Which measurements should I provide for a butt weld cap?

Provide the pipe outside diameter, wall thickness or schedule, material and required cap dimensions from the project specification.

Does a cap photograph establish its wall thickness?

No. Wall thickness and material must be confirmed from the specification and inspection documents. The image is for product identification.

Is a butt weld cap interchangeable with a threaded cap?

They use different connections and should not be substituted without design approval. State the required pipe-end connection on the RFQ.

What should I confirm for a special-depth cap?

Send the required depth, end dimensions, material and a controlled drawing. Specify dimensional tolerances and inspection requirements for review.

SEND YOUR REQUIREMENT

From your specification
to a clearer quotation.

Email your cap list with quantities, drawing revisions, destination and required date.

USEFUL TO INCLUDE
  • Nominal size and wall thickness / schedule
  • Material grade and applicable standard
  • Quantity and any special dimensions
  • Drawing, inspection documents and destination

The quotation will confirm supply scope, required documents and delivery terms.