SUBST48
		This Iris is fitted with a mounting spigot 37.33mm dia X 0.55mm pitch thread and an aperture of 28mm closing to 1.5mm. Mild Steel leaves are fitted as standard but stainless steel can be supported on request. A filter tray is available for 32mm filter glass. 12 leaves are fitted in 0.076mm tempered blue steel, with black stove enamel to the outer casing.
Detailed diagram
Wilkes Iris Ltd | Widco Works | Bexhill | England | TN39 3LE | +44(0) 1424217630 | wilkes-iris.com