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Six inch black square head plug with tapered threads

Legend Valve

Legend Valve 350-412 6 inch Black Square Head Plug

SKU CH-G2KP-3YXWX

A 6-inch black square head plug with MNPT threads for sealing pipe ends

  • 6-inch NPT thread fits standard pipe sizes
  • black square head allows wrench tightening
  • Legend Valve brand ensures reliable quality
  • new condition guarantees unused performance
  • California Prop 65 warning informs safe handling

Product Identity

The Legend Valve 350-412 is a 6-inch black square head plug with male NPT threads. It is intended for plumbers and maintenance technicians who need to seal a large-diameter pipe fitting in industrial or commercial systems.

Proposition 65 Notice

This product contains a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. The warning applies to the item as supplied and does not describe a performance limit of the NPT interface itself.

Installation Check

Verify that the mating component has a matching female NPT thread of the same nominal size before ordering. Confirm that the material and pressure rating of the assembly are compatible with the intended service conditions.

Highlights

  • 6-inch NPT thread fits standard pipe sizes
  • black square head allows wrench tightening
  • Legend Valve brand ensures reliable quality
  • new condition guarantees unused performance
  • California Prop 65 warning informs safe handling

Specifications

BrandLEGEND VALVE

Questions about this item

Should I choose the 6 inch size for my pipe?

The 6 inch plug matches 6 inch MNPT threads; verify your pipe diameter before ordering.

What does the black square head mean once installed?

The square head provides a solid grip for tightening with a wrench on the 6 inch MNPT fitting.

Does the MNPT thread standard limit pressure or temperature?

MNPT defines the thread form; pressure and temperature limits depend on the piping system design.

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