Sorry I missed this post these are the elbow reducers I can supply:
19-13 mm
19-16 mm
25-19 mm
32-19 mm
32-25 mm
35-32 mm
38-32 mm
51-45 mm
60-51 mm
63-51 mm
65-60 mm
70-51 mm
70-60 mm
70-63 mm
76-51 mm
76-60 mm
76-63 mm
76-70 mm
89-76 mm
102-76 mm
I don't know if this will help you, I can give you a price if one of them is suitable, quality is as I said better than samco/sfs etc.