Because of the taper, a pipe can only screw into a pipe fitting a little distance before it jams.
PROCURU is the brand of choice for plumbing professionals. Manufactured at the ISO approved facilities, each fitting is rigorously tested and
PROCURU 1/2-Inch Copper Union CxC (Brass x Copper) Sweat Connection, Certified Safe for Drinking Water (1/2, 2-Pack)
3 pieces thin Union Fitting - BW Female - Gas Thread - 316L - SOFRA INOX
PVC Union Coupling Pipe Fitting (Socket x Socket) - 3/4in x 3.4in
UNION 2 Class 3000 (3M) Threaded NPT Forged Steel A105N Pipe
Pipe Union, 3/4, FPT, Bronze
What Are Mac Unions?
Union Male / Female Malleable Iron Sleeve - MC Fact
Pipe screw connector L 12 R1/4 1.4571
3000# Socket Weld Union Fittings
WATTS, 3/4 in x 1/2 in Fitting Pipe Size, Polysulfone, Dielectric
in Pipe Fittings.
4Pcs 1 PVC Union Coupling Pipe Fitting (Socket x Socket) 1Inch PVC Slip Union PVC Adapter Coupling Schedule 40, EPDM O-Ring, White
3/4 Inch Plumbing Union Fitting GI Equal Tee Beaded Type