Our sight glass bulkhead fitting is ideal for adding a sight glass to your steel tank with out messing up your paint be welding.
Material - 304 Stainless Steel
Seal - Oring face seal.
Outlet- 25mm Female BSPT
To install this bulkhead all you need to do is drill a 25mm hole into the tank. Slide the bulkhead through the hole so the included oring sits flat against the tank. Install the washer, spring washer and nut to the bulkhead fitting from inside the tank and tighten the nut.