Buttweld Pipe Cap Manufacturer, Supplier & Exporter

Valtron Forge & Fittings is a leading manufacturer, supplier, stockist, and exporter of premium quality Buttweld Pipe Cap in India. We offer a comprehensive range designed to meet international standards and the demanding requirements of industrial piping systems.

Our buttweld caps permanently seal the end of a pipeline while withstanding full line pressure, providing a smooth ellipsoidal closure with no crevices or dead legs.

A Buttweld Cap is an ellipsoidal (torispherical) end closure welded directly to the pipe end. Unlike threaded plugs, the welded cap provides a permanent, hermetic, full-pressure seal suitable for hydrotesting, future extensions and end-of-line terminations.

Buttweld Pipe Cap

Key Features

Permanent, leak-proof closure for pipe ends

Ellipsoidal profile withstands full line pressure

Smooth internal surface with no crevices or dead legs

Uniform wall thickness matching the connecting pipe schedule

Bevelled ends as per ASME B16.25 for full-penetration welding

Available in all grades of stainless, carbon, alloy and nickel alloys

Suitable for high-pressure and high-temperature applications

Material Used in Manufacturing

  • We manufacture Buttweld Pipe Fittings in a wide range of materials depending on service conditions and project specifications:
  • Stainless Steel (ASTM A403 WP304/304L, WP316/316L, WP321, WP347)
  • Carbon Steel (ASTM A234 WPB / WPC)
  • Alloy Steel (ASTM A234 WP1, WP5, WP9, WP11, WP22, WP91)
  • Low Temperature Carbon Steel (ASTM A420 WPL3 / WPL6)
  • Duplex & Super Duplex Stainless Steel (ASTM A815 UNS S31803 / S32205 / S32750)
  • Nickel Based Alloys (ASTM B366 – Monel, Inconel, Incoloy, Hastelloy)
  • All materials comply with standards issued by ASTM International and ASME.

Applications

  • Buttweld fittings are widely used across:
  • Oil & Gas pipelines and offshore platforms
  • Petrochemical plants and refineries
  • Power generation and boiler piping
  • Chemical and fertilizer processing units
  • Marine and shipbuilding industries
  • Water treatment and general industrial piping networks

Standards and Specification

Parameter Specification
ProductButtweld Pipe Cap
Manufacturing StandardsASME B16.9, ASME B16.28, MSS SP-43, DIN 2605/2615/2616, EN 10253, JIS B2311
Material StandardsASTM A234, ASTM A403, ASTM A420, ASTM A815, ASTM B366
International CodesASME, ASTM International
Size Range½” NB to 48” NB
Wall ThicknessSch 5S to Sch XXS
TypeSeamless (up to 24”) & Welded / Fabricated
End ConnectionButt-Weld with bevelled ends as per ASME B16.25
Inspection & TestingPMI Testing, Hardness Test, Impact Test, Hydrostatic Test, Dimensional Inspection, Visual Inspection
CertificationMill Test Certificate (EN 10204 3.1 / 3.2), Third-Party Inspection (TPI)

Why Choose Valtron Forge & Fittings?

  • Precision bevelled ends for full-penetration, leak-proof welded joints.
  • Uniform wall thickness and smooth internal bore for unrestricted flow.
  • High-performance materials for durability and corrosion resistance.
  • Rigorous quality control including hydrostatic and dimensional testing.
  • Complete range of buttweld fittings under one roof with international certification.
  • Buttweld Pipe Cap from Valtron Forge & Fittings provide reliable performance, mechanical strength, and compliance with international standards, making them suitable for demanding industrial and process piping systems.