Black fitting, hexagon nipple reducing Black fitting, hexagon nipple reducing


The reduced nipple or uneven nipple belongs to the category of black fittings.

Nipple is used to reduce the diameters of used pipes by joining a pipe or fitting with a larger diameter to another fitting with a smaller diameter. This reduced nipple has the thread of the External – External type connections with normal thread direction.

Unequal or reduced nips are used to make connections in natural gas supply installations.



High compatibility Due to the uneven nipple thread and thread direction, compatibility with other equipment can be quickly checked.
Various sizes Choose for your project a reduced nipple (unequal nipple) with ideal nominal diameters for each situation.


Body material
Cast iron
Exterior – Exterior
Thread dimension
Nominal diameter
1 1/2" x 1 1/4", 1 1/2" x 1", 1 1/4" x 1", 1/2" x 3/8", 1" x 1/2", 1" x 3/4", 2 1/2" x 2", 2" x 1 1/2", 2" x 1 1/4", 2" x 1", 3/4" x 1/2"
Black fittings

Hexagon nipple reducing

Product code:
Hexagon nipple reducing
  • High compatibility
  • Various sizes