Screw-on cap with BSP 15mm (1/2″) male thread. Thread OD is actually 21mm **(Thread sizes are based on pipe ‘ID’ Inside diameter.)
ONLY For Pontoon [IBC] 1000L caged tanks with the common, coarse [55 to 60mm OD] NW50mm Buttress thread.
There are 6 different IBC threads, this one is NOT for the fine 50mm BSP [60mm OD thread]
For any other thread, please view my listings.
Please Do NOT Buy until you have checked your IBC Valve thread & OD. here; https://wp.me/P9k7X1-2u
I do not refund if you bid on the wrong fitting & it has been posted.