WooGallery plugin lets you disable the image zoom effect on specific products. Follow the steps below to do it: 

(1) From your WordPress Dashboard Menu, navigate to WooGallery > Gallery.

(2) Under the Gallery settings tab, you will find the Product Image Zoom tab. Click on it.

(3) At the bottom of this tab you will find the option Exclude Zoom option. 

(4) From the dropdown select Product(s). Select Category(s) to exclude categories. 

(5) Another option will appear below. Now, insert the products from that you want to exclude the gallery.