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Brass union nut, four-inch size, threaded finish

Legend Valve

Legend Valve 900-049 4" T/S-603 Union Nut equipment

SKU CH-SMWB-TR2WW

A 4-inch T/S-603 union nut for connecting pipe sections in industrial plumbing systems

  • 4-inch union nut fits T/S-603 piping systems
  • Legend Valve brand assures industrial-grade plumbing reliability
  • New condition delivers factory-fresh performance for installations
  • California Proposition 65 warning informs safe handling practices
  • Manufacturer direct shipping on orders over $75

4" T/S-603 Union Nut Application

This 4 inch union nut suits industrial plumbing installations that require a secure threaded connection. It is built for technicians and maintenance crews who work with large-diameter piping systems. The component meets the T/S-603 specification for compatibility with matching fittings. Buyers needing smaller diameters or different thread standards should select another part.

Chemical Safety Information

California Proposition 65 warnings indicate this product contains a chemical known to the state to cause cancer and birth defects or other reproductive harm. Installers should follow standard safety practices such as wearing gloves and washing hands after handling. No thermal, noise or power-draw characteristics apply to this passive mechanical fitting. The warnings are regulatory notices rather than performance data.

Build Integration Requirements

The union nut connects directly to compatible 4 inch T/S-603 components without additional adapters. It frees the installer from welding or flanging tasks by providing a removable threaded joint. Orders of 75 dollars or more qualify for free shipping direct from the manufacturer. No special tools beyond standard pipe wrenches are required for assembly.

Highlights

  • 4-inch union nut fits T/S-603 piping systems
  • Legend Valve brand assures industrial-grade plumbing reliability
  • New condition delivers factory-fresh performance for installations
  • California Proposition 65 warning informs safe handling practices
  • Manufacturer direct shipping on orders over $75

Specifications

BrandLEGEND VALVE

Questions about this item

How do I install the 4" T/S-603 union nut and what is the step people often miss?

Thread the union nut onto the pipe end before joining the mating faces, then tighten the nut to draw the seats together; the step often missed is lubricating the threads so the nut turns freely without galling.

What maintenance or replacement will the 4" T/S-603 union nut need later?

Inspect the sealing faces and threads periodically for corrosion or deformation; replace the nut if the threads are damaged or the seating surface no longer makes a tight joint.

What limit appears first on the 4" T/S-603 union nut under sustained use?

The thread engagement and seating surface are the first points to wear; over-tightening or repeated thermal cycling can deform the nut and prevent a reliable seal.

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