Alland Steel · Pipe Cap
Alland Steel · Pipe Cap

Pipe Cap — Secure & Reliable Pipeline Closure

The Pipe Cap is a critical sealing component welded or threaded onto the pipeline end to provide a secure and reliable closure. It ensures long-term pipeline integrity and is widely used in industries such as oil & gas, chemical, and water supply systems.

Size Range: 1/2" – 48" (DN15 – DN1200) Pressure Rating: Class 150 - 2500 Wall Thickness: SCH5 – SCH160 / XXS Material Options: Carbon · Stainless · Alloy · Duplex Standards: ASME B16.9 · MSS SP-43 · DIN 2605 · EN10253-2

✔ Precision welding or threading for leak-tight seals

✔ Comprehensive material options for diverse applications

✔ Full compliance with global industry standards for pressure systems

✔ Ideal for oil & gas, chemical, and water supply sectors

Pipe Cap — Technical Specifications & Material Options

Product Type: Butt-weld / Threaded Pipe Cap
Size Range: 1/2" – 48" (DN15 – DN1200)
Pressure Rating: Class 150, 300, 600, 900, 1500, 2500
Wall Thickness: SCH5 – SCH160 / XXS
Surface Treatment: Anti-rust oil, Black paint, Electro-galvanized, Hot-dip galvanized, 3LPE / 3LPP
Material Grades: Carbon Steel: ASTM A234 WPB/WPC, A420 WPL6/WPL9, A234 WP1; Stainless Steel: ASTM A403 WP304/304L, WP316/316L, WP321, WP347; Alloy Steel: ASTM A234 WP5, WP9, WP11, WP12, WP22, WP91; Duplex & Super Duplex: ASTM A815 UNS S31803, S32750, S32760

Pipe Caps are pressure vessel ends designed to seal the ends of pipes, tubes, or nozzles, ensuring a secure and leak-proof closure. Available in both butt-weld and threaded versions, these caps are engineered to meet the highest standards for safety and performance across various demanding industries.

  • Ideal for sealing pipeline ends in critical systems to isolate sections for maintenance or terminate lines.
  • Ensures long-term durability and excellent resistance to corrosion, pressure, and temperature.
  • Fully compliant with ASME, MSS, DIN, and other international standards for guaranteed pressure containment and system safety.

Specifications Sheet

Pipe Cap Dimensions Chart — Butt-weld & Threaded Types Pipe Cap Technical Data Sheet — Material & Standards

Main Applications

Pipe caps are essential components used to seal the ends of pipes, tubes, and nozzles in various industrial systems. They provide secure closure to prevent fluid leakage, protect pipelines from contamination, and ensure system safety during maintenance or shutdowns. Widely applied in oil & gas, chemical processing, water systems, and power generation facilities.

Oil & Gas Pipeline Systems

Used to seal pipeline ends during maintenance, testing, or temporary shutdowns, ensuring safe and leak-proof closure in transmission and distribution networks.

Chemical & Process Industries

Applied in chemical processing plants to cap pipe ends containing corrosive fluids, acids, or hazardous materials where secure sealing is critical.

Water Treatment & Supply Systems

Used to seal pipe ends in municipal water networks, treatment plants, and distribution systems to prevent contamination and allow for future expansions.

Power Generation Facilities

Ensures safe closure of steam lines, condensate pipes, and cooling water systems during maintenance or system modifications in power plants.

Industrial Equipment & Machinery

Used to protect threaded or welded pipe ends on industrial equipment, preventing dirt ingress and corrosion during storage or operation.

Advantages

  • Leak-Proof Sealing: Provides secure and reliable closure for pipeline ends, preventing fluid leakage and environmental contamination.
  • Versatile Installation: Available in both butt-weld and threaded versions to suit different piping system requirements.
  • Corrosion Resistance: Manufactured with carbon steel, stainless steel, alloy steel, or duplex materials for excellent durability in harsh environments.
  • Standard Compliance: Fully conforms to ASME B16.9, MSS SP-43, DIN 2605, and other international standards for pressure containment.
  • Pressure Integrity: Designed to withstand high pressure ratings from Class 150 to 2500, ensuring system safety and reliability.

Packing & Transportation

Pipe caps are carefully packaged to maintain surface quality and dimensional accuracy during storage and shipment. Each fitting is protected against corrosion, moisture, and mechanical damage through proper sealing and cushioning.

  • Standard Packing: Each pipe cap wrapped in anti-rust film, placed in wooden cases or on pallets with proper separation.
  • Surface Protection: Anti-corrosion oil, black paint, or other specified coatings applied to prevent rust during transit.
  • Marking & Identification: Clear labeling with product size, material grade, standard, and heat number for full traceability.