Pipe Fittings Hex Couplings – Female NPT – 1/8", 1/4", 3/8", 1/2", 3/4”, 1” – 10000 PSI – ASME B1.20.1 / SAE AS71051 / ISO 7-1 / ISO 228

Pipe Fitting

Also known as:

Pipe Connectors, Piping Fittings, Fittings

Pipe Fittings Hex Couplings – Female NPT – 1/8", 1/4", 3/8", 1/2", 3/4”, 1” – 10000 PSI – ASME B1.20.1 / SAE AS71051 / ISO 7-1 / ISO 228

Pipe Fitting

Also known as:

Pipe Connectors, Piping Fittings, Fittings

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Hex Couplings Female NPT join two male threaded pipes with a secure, leak-resistant connection and a hex shape for easy tightening.

Executive Summary

Hex Couplings Female NPT are precision pipe fittings used to join two male threaded pipes in oil and gas systems. The female NPT threads provide a tight, leak-resistant seal, while the hex shape allows for easy installation and removal using standard tools. These fittings are commonly used in instrumentation, process control, and fluid handling systems where reliable and secure pipe connections are required.

Technical Specifications

Size Range 1/8” to 1”
Material SS 316, Brass, Carbon Steel
Temperature Range for Ratings -28 to 37°C (-20 to 100°F)
Pressure Ratings Based on ASME B31.3 at ambient temperature
Thread Engagement Standard ASME B1.20.1 for NPT threads
Internal Surface Burr-free
Cleaning Free from machine oils, loose particles, grease
Type Instrumentation and Process Control
Thread Protection Capped and properly packed
Recommended Seal PTFE tape for male tapered threads

Features and Benefits

  • Durable and corrosion-resistant for harsh environments.
  • Compact form reduces space requirements and simplifies layout.
  • Secure and reliable connections in fluid and gas systems.
  • Hexagonal shape for easy installation and removal with a wrench.
  • Female NPT threads for leak-resistant connections.

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Detailed Description

Hex Couplings Female NPT are pipe fittings designed to join two male threaded pipes in fluid and gas systems. The female NPT threads provide a tight seal when screwed onto male pipes, ensuring leak-resistant connections. The hexagonal shape allows easy tightening or removal using a wrench, making installation straightforward even in compact spaces.

These fittings are commonly used in oil and gas and process control applications. They are suitable for high-pressure systems, with pressure ratings up to 10000 PSI depending on the material. Hex couplings are available in stainless steel, brass, and carbon steel, offering durability and corrosion resistance in demanding environments.

Sizes available range from 1/8”, 1/4”, 3/8”, 1/2”, 3/4”, to 1”, providing flexibility for different piping setups. Their compact design and reliable performance make them ideal for instrumentation, process piping, and other applications where secure connections are essential.

Engineering Data