Sorting Interfaces can't be rotated with any Wrench or placed facing another direction than North.
And its not only visual, they also only work with blocks on the North side.

Modpack: SIGMA
Mod version: RefinedRelocation_1.14.4-6.2.6
Forge: 28.1.99

Also occurs in Minecraft 1.15.2 with version RefinedRelocation_1.12.2-701.

The block allows for xray in 1.15.2. but this you probably already knew from Soaryn on Forgecraft...

Fix pending release on CurseForge, backport to 1.14 planned: #104