SUBST52
 
substage iris SUBST52 The SUBST52 is available with or without a filter tray. There is also a taper spigot version in place of the 37.33mmx0.5mm pitch thread, which allows the iris to be mounted in the most convienient position and then locked up through the mount into the spigot of the iris. A locking ring is available for the threaded iris. Stainless steel leaves can be fitted if required in place of the 12x0.076mm tempered blue steel. Finish is in black stove enamel.

Detailed diagram