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Brass 1 1/2" Pin Rack Nipple Fire Hose Adapter | 2.5" NPT X NST Male Threaded Fire Protection Fitting

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PRODUCT DESCRIPTION

1 1/2" /2 1/2"Brass Pin Rack Nipple | Solid Brass Fire Hose Rack Nipple for Fire Cabinet & Sprinkler Systems

Description 

This precision-machined Brass Male Threaded Nipple Fitting is designed for reliable pipe connection and extension in plumbing, HVAC, and industrial fluid systems. Manufactured from high-quality solid brass, it features dual male threaded ends and a hexagonal middle section for easy installation with standard tools. The fitting ensures a tight, leak-proof seal for water, gas, oil, and compressed air applications, offering long-lasting performance in both residential and commercial environments.


Technical Specification 


Parameter Details
Material High-grade brass (CW617N / C36000, lead-free optional)
Thread Type BSP / NPT / Metric male threads (customizable)
Pressure Rating Up to 1.6 MPa (16 bar / 232 PSI)
Temperature Range -20°C to 120°C (-4°F to 248°F)
Finish Natural polished brass (electroplated options available)
Manufacturing CNC machined for precise dimensions and thread accuracy
Connection Style Male × Male threaded ends with hexagonal drive section
Applications Water supply, gas lines, HVAC, oil & fluid transfer systems


Key Features

  • ✅ Durable Corrosion Resistance
    Solid brass construction resists rust, oxidation, and corrosion from water, steam, and most common fluids, ensuring a long service life.
  • ✅ Leak-Proof Performance
    High-precision CNC-cut threads create a tight, secure seal to prevent fluid leakage under pressure, meeting international plumbing standards.
  • ✅ Easy Installation
    The integrated hexagonal middle section allows quick and secure tightening with standard wrenches, even in confined spaces.
  • ✅ High Mechanical Strength
    Robust one-piece design withstands high pressures and mechanical stress, suitable for both above-ground and concealed installations.
  • ✅ Versatile Compatibility
    Compatible with standard pipes, hoses, and fittings, with customizable thread types (BSP/NPT/Metric) to match regional requirements.
  • ✅ Low Maintenance
    Smooth surface finish prevents scale buildup and is easy to clean, reducing maintenance needs over time.



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