NP Male Joining Collar

Male Joining Collar are used to join two length of spiral duct together.

Male Joining Collar are Fabricated or Pressed depending on size.  They are all manufactured using the Highest grade galvanised steel.

NP's (Also normally referred to as a Male Joining Collar) is generally used to connect two lengths of Spiral Pipe together.

NP's are designed to be  end as standard and is a slip fit into Spiral Pipe.
We can fabricate any size NP to suit your requirements.