🔷 Pipe Cap – Butt Weld Fitting

Manufacturer, Supplier & Exporter – VikTech Fittings

🔹 Product Overview

VikTech Fittings is a leading manufacturer, supplier, and exporter of premium quality Butt Weld Pipe Caps manufactured in compliance with ASME B16.9, DIN, EN, and international standards.

A Pipe Cap is a type of butt weld fitting used to close the end of a pipeline. It is designed to stop the flow permanently or temporarily and protect pipe ends from damage, corrosion, and contamination.

Pipe caps are widely used in high-pressure, high-temperature, and critical industrial piping systems.

🔹 What is a Pipe Cap?

A Pipe Cap is a dome-shaped fitting that is welded to the end of a pipe to seal it completely.

Unlike threaded or plastic caps used for temporary closure, a butt weld cap provides:

✔ Permanent leak-proof sealing
✔ High strength welded joint
✔ Pressure resistance
✔ Long service life

It is commonly used during:

• Pipeline termination

• Future expansion provision

• Pressure vessel fabrication

• Equipment nozzle closure

🔹 Design & Construction

A Butt Weld Pipe Cap:

• Has a hemispherical or elliptical shape

• Comes with beveled end for welding

• Maintains same outer diameter as pipe

• Designed to handle same pressure rating as pipe

Because of its rounded shape, it distributes internal pressure evenly, reducing stress concentration.

🔹 Technical Specifications

✔ Standards

• ASME B16.9

• MSS-SP-75

• DIN 2617

• EN 10253

✔ Size Range

• ½” NB to 48” NB

• Larger sizes available on request

✔ Wall Thickness

• SCH 10

• SCH 20

• SCH 40

• SCH 60

• SCH 80

• SCH 120

• SCH 160

• XXS

✔ End Type

• Butt Weld (Beveled as per ASME B16.25)

🔹 Manufacturing Process

At VikTech Fittings, pipe caps are manufactured using:

• Hot forming process

• Deep drawing method

• Hydraulic pressing

• Heat treatment for stress relief

• Precision beveling

• Shot blasting

This ensures:

✔ Uniform wall thickness
✔ Smooth internal surface
✔ High mechanical strength
✔ Dimensional accuracy

🔹 Materials Available

🔸 Carbon Steel

• ASTM A234 WPB

• ASTM A420 WPL6

Used for:

• Oil & Gas pipelines

• Water systems

• Structural applications

🔸 Stainless Steel

• ASTM A403 WP304 / 304L

• ASTM A403 WP316 / 316L

Used for:

• Chemical plants

• Pharmaceutical industries

• Food processing

🔸 Alloy Steel

• ASTM A234 WP11

• ASTM A234 WP22

• ASTM A234 WP91

Used for:

• High temperature steam lines

• Power generation plants

🔸 Duplex & Super Duplex

• ASTM A815 UNS S31803

• ASTM A815 UNS S32750

Used for:

• Offshore & marine applications

• High corrosion environments

🔹 Applications of Pipe Cap

✔ Oil & Gas Industry
✔ Petrochemical Plants
✔ Power Plants
✔ Refineries
✔ Water Treatment Systems
✔ Boiler & Pressure Vessel Fabrication
✔ Marine & Offshore Projects
✔ Industrial Process Piping

Pipe caps are often used where:

• Future pipeline extension is planned

• Safety closure is required

• Pressure containment is critical

🔹 Advantages of Butt Weld Pipe Cap

✔ Strong permanent sealing
✔ High pressure resistance
✔ Excellent corrosion resistance (as per material)
✔ Smooth pressure distribution
✔ Durable & long lasting
✔ Suitable for critical industrial applications

🔹 Testing & Quality Control

All Pipe Caps supplied by VikTech Fittings undergo strict inspection:

• Visual Inspection

• Dimensional Inspection

• Ultrasonic Testing

• Hydrostatic Testing

• PMI Testing

• Radiography (if required)

• Third Party Inspection (TPI)

Mill Test Certificate (MTC) provided as per EN 10204 3.1 / 3.2.

🔹 Surface Finish

• Black Painted

• Anti-rust Coated

• Galvanized

• Pickled & Passivated (for SS grades)

• As per customer requirement

🔹 Packaging & Supply

• Wooden crates

• Pallet packaging

• Export worthy packing

• Proper marking & tagging

We supply across:

✔ PAN India
✔ Middle East
✔ Africa
✔ Europe
✔ Southeast Asia

🔹 Why Choose VikTech Fittings?

✔ Manufacturer & Bulk Stockist
✔ Ready Stock Available
✔ Competitive Pricing
✔ Fast Delivery
✔ Export Documentation Support
✔ Customized Manufacturing