Tube Fittings Male Connector NPT – 1/16”, 1/8”, 3/16”, 1/4”, 5/16”, 3/8”, 1/2", 5/8”, 3/4”, 7/8” – 6000 PSI – ASME B16.34 / MSS-SP-99 / ASME B31.3

Tube Fitting

Also known as:

Compression Fitting, Flare Fitting, Instrumentation Fitting

Tube Fittings Male Connector NPT – 1/16”, 1/8”, 3/16”, 1/4”, 5/16”, 3/8”, 1/2", 5/8”, 3/4”, 7/8” – 6000 PSI – ASME B16.34 / MSS-SP-99 / ASME B31.3

Tube Fitting

Also known as:

Compression Fitting, Flare Fitting, Instrumentation Fitting

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6 - 8 Weeks

Note:

The Male Connector tube fitting uses a twin ferrule design with silver-plated threads for a secure, leak-free, and reusable connection across a wide range of tube sizes.

Executive Summary

The Male Connector tube fitting is a small but essential part used to connect a piece of tubing to a threaded opening, creating a tight and reliable seal. Its design ensures that fluids or gases can flow without leaks, even under pressure. Unlike regular connectors, this fitting uses a two-piece gripping system that holds the tube firmly in place and allows it to be disconnected and reconnected without losing strength. This makes it widely used in oil and gas where safe and secure connections are critical.

Technical Specifications

Size Ranges 1/16” to 7/8”
Sealing Leak-free under vibration, vacuum, impulse
Assembly Finger-tight, ready to use
Back Ferrule Case-hardened for strength
Appearance High-quality finish
Certifications ASME B1.20.1, SAE AS71051
Material SS, Alloy, Carbon Steel, Brass, Nylon
Pressure Rating Up to 10,000 PSI
Tubing Hardness Softer than fitting material
Installation Tube bottoms on shoulder

Features and Benefits

  • Straight fittings from bar stock, shaped from forgings.
  • Ready for immediate use, finger-tight installation.
  • Reduces maintenance needs and risk of thread damage.
  • Durable and long-lasting connections.
  • Silver-plated female threads to prevent galling.

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Detailed Description

Tube Fittings Male Connector NPT are used to connect tubing directly to threaded pipe systems, ensuring a secure and leak-tight joint in fluid and gas applications. The male NPT threads allow compatibility with standard pipe threads.

These fittings are unique due to their twin ferrule design, which provides a strong mechanical grip on the tubing while creating a reliable seal without requiring welding or additional sealants. The precision-machined ferrules deform evenly to prevent leaks, even under vibration, impulse, or high-pressure conditions.

Straight fittings are manufactured from bar stock, and shaped fittings are made from forgings, offering high structural strength. The case-hardened back ferrules and silver-plated female threads reduce wear and prevent galling, while the radius junction in elbows maintains smooth flow.

Installation is simplified: the tubing is inserted fully to the shoulder of the fitting, and the nut is tightened to specific torque, producing a secure connection. Male Connector NPT fittings are ready for immediate use and can be disassembled and retightened if needed.

Their combination of threaded pipe compatibility, twin ferrule sealing, and ease of installation makes them reliable and widely used in demanding industrial applications.

Engineering Data