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05 // Pipe Fittings

Pipe End Caps

VEFLOX manufactures heavy-duty pipe end caps designed to permanently and safely seal the terminals of industrial piping systems. Forged and deep-drawn to withstand the full hydrostatic pressure of the pipeline, our end caps provide absolute system isolation while maintaining a highly compact, space-saving footprint.

Industrial Pipe End Caps
Absolute System Isolation

Detailed Technical Specifications

Cap Profiles & Geometry
Ellipsoidal (2:1): Standard profile for high-pressure systems.
Hemispherical: Optimal for maximum pressure containment (no sharp stress curves).
Flat Caps: Available for low-pressure or structural applications.
Dimensional Standards
ASME/ANSI B16.9, MSS-SP-43, DIN 2617, JIS B2311/2312, EN 10253
Material Grades
Carbon Steel: ASTM A234 WPB / WPC, Low-Temp A420 WPL6
Stainless Steel: ASTM A403 WP304/304L, WP316/316L, WP321, WP347
Alloy & Duplex: ASTM A234 WP5, WP11, WP22, UNS S31803
Size Range
Seamless: 1/2" NB to 24" NB
Welded (Multi-Piece Construction): 24" NB to 60" NB (100% X-Ray Tested)
Wall Thickness (Schedules)
Sch 5s, Sch 10s, Sch 40s (STD), Sch 80s (XS), Sch 160, XXS.
End Connections
Beveled End (BE) for butt-welding conforming to ASME B16.25, Plain End (PE)
Manufacturing Process
Hot Pressing, Cold Deep Drawing, Machined & Solution Annealed

Core Advantages

Minimal Space Footprint

Unlike bulky Blind Flanges that require heavy bolts and extra clearance, welded end caps provide a permanent, lightweight seal in tightly engineered spaces.

Maximum Pressure Containment

Ellipsoidal and hemispherical geometries distribute internal pressure evenly across the surface area, preventing localized stress concentrations and fatigue failures.

Future-Proof Pipeline Design

Ideal for sealing pipe headers and manifolds intended for future expansion. The cap can be easily cut off later to allow pipeline extensions without replacing complex assemblies.

Industries Served

Oil & Gas
Petrochemicals
Power Generation
Water Treatment
Shipbuilding
Pharmaceuticals