S-4550K131 0.302" ID x 35/64" OD x 7/8" Long ASME B1.20.1, ASTM A53, ASTM A733 Thick-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-coated steel construction, extending service life in demanding environments
• Superior pressure handling with Schedule 80 thick-wall design, ideal for Class 300/600 flange systems
• Reliable leak-proof connections through fully threaded NPT ends ensuring secure fittings
• Broad media compatibility for safe use with air, natural gas, oil, steam, and water applications
• Optimized flow efficiency with precise 0.302" ID and 35/64" OD dimensions minimizing pressure drop
• Rigorous quality assurance meeting ASME B1.20.1, ASTM A53, and ASTM A733 standards for consistent performance
• Robust welded construction providing structural integrity under high-vibration industrial conditions

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple delivers critical performance in industrial fluid systems where corrosion resistance and pressure integrity are paramount. The welded construction combined with full NPT threading creates reliable seals that prevent leakage in high-pressure applications involving steam, oil, and natural gas. Engineered with Schedule 80 wall thickness, it maintains system safety in Class 300/600 flange configurations while the protective coating withstands moisture and chemical exposure. The precise 1/4" NPT connection ensures compatibility with iron and steel fittings, making it ideal for maintenance, retrofit, and new installations across processing plants and energy facilities.

Specification Summary & Compliance

Manufactured to ASME B1.20.1 for precise NPT thread dimensions and ASTM A53/A733 material specifications. Features 7/8" length with 0.302" ID and 35/64" OD maintaining Schedule 80 tolerances. Compliant with industry standards for pressure ratings and material composition, suitable for Class 300/600 flange systems in industrial piping networks.