Adding drain line to 4" cast

[Cardinal]

I need to tap into my 4" cast drain line at corner with a long sweep. I can not find a PVC or ABS combo to do this least of all with a spigot end. A Wye and street 45 would work but am concerned of it being to sharp of a bend and is it an acceptable configuration. Any suggestions.

 

[phishfood]

If I understand your question correctly, a wye and st 45 would be just fine. In fact, a combo is short term for combination wye and 45 ell.