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Small silver stainless steel threaded pipe union with hexagonal nut

Value Brand

Value Brand 600U111N014 1/4 in FNPT 316 Stainless Steel Threaded Union

SKU CH-VY3J-JFPVP

Stainless steel pipe union joins two 1/4-inch FNPT ends with three-piece construction for tool-free disassembly, rated 300 psi and 150 psi steam

  • Corrosion-resistant piping with 316 stainless steel construction
  • Quick disassembly without pipe rotation via three-piece union design
  • Rated for 300 psi pressure and 150 psi steam service
  • Female NPT threads on both ends conforming to ANSI B1.20.1
  • Compatible with air, gas, oil, water and steam applications

Stainless Steel Pipe Union

The Value Brand 600U111N014 is a 316 stainless steel threaded union designed to join two 1/4-inch nominal pipe size ends using female NPT connections. It provides a mechanical fitting that allows pipes to be connected or disconnected without rotating the pipework, simplifying maintenance tasks. The three-piece construction includes a body, nut, and mating seat with a 30.5 mm hex for wrench engagement.

Suitable Fluids and Limitations

This union handles air, natural gas, non-potable water, oil, potable water, and steam within specified parameters up to 300 psi and 150 psi steam pressure. It conforms to ANSI B1.20.1 threading standards and low-lead content regulations for potable water safety. Builders needing larger nominal sizes, different thread standards, or pressure ratings beyond 300 psi should select alternative fittings.

Installation Notes

The three-piece design enables quick disassembly by unthreading the nut from the body without turning the installed pipes. Apply compatible thread sealant to the 18 threads-per-inch NPT connections to ensure a leak-free seal. Over-tightening the 30.5 mm hex can damage the 316 stainless steel threads or deform the gasket, leading to joint failure under pressure.

Highlights

  • Corrosion-resistant piping with 316 stainless steel construction
  • Quick disassembly without pipe rotation via three-piece union design
  • Rated for 300 psi pressure and 150 psi steam service
  • Female NPT threads on both ends conforming to ANSI B1.20.1
  • Compatible with air, gas, oil, water and steam applications

Specifications

BrandZORO SELECT

Questions about this item

What size and thread type must the mating pipes have to fit the 1/4-inch FNPT union?

Both pipes need 1/4-inch nominal size with male NPT threads at 18 threads per inch to engage the female NPT ends.

Will the 316 stainless steel union resist corrosion when connected to older carbon-steel piping in a mixed system?

The 316 stainless body and nut withstand most media better than carbon steel, but direct metal-to-metal contact can create a galvanic cell; use dielectric unions or isolation bushings if the older piping is carbon steel.

How can I confirm the union is sealing correctly after assembly?

Pressurise the line to the working pressure — up to 300 psi for air, oil, water or gas, or 150 psi for steam — and check the joint for leaks; the three-piece design lets you retighten the 30.5 mm hex nut without rotating the pipes.

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