Both Brass and Copper Brazing Coupling are available.
Sizes available:

 
 
Model No. Dimension（mm）
D1 D2 L
H-203-1/2” x 15 R1/2 15 50.5
H-203-1/2” x 16 R1/2 16 50.5
H-203-1/2” x 19 R1/2 19 57
H-203-1/2” x 22 R1/2 22 60
H-203-3/4” x 22 R3/4 22 64
H-203-1” x 28 R1 28 74.8
H-203-1-1/4” x 35 R1-1/4 35 79
H-203-1-1/2” x 42 R1-1/2 42 84.2
H-203-1-1/2” x 45 R1-1/2 45 84.2
H-203-2” x 54 R2 54 90.9
H-203-2”x 55 R2 55 90.9
H-203-2-1/2” x 67 R2-1/2 67 102.6
H-203-3” x 76 R3 76 113.8
H-203-3” x 85 R3 85  
H-203-3” x 89 R3 89  
H-203-4” x 105 R4 105  
H-203-3” x 108 R4 108