The IMI PBM AF Series angle stem tank bottom valve provides optimised drainage and actuator clearance for jacketed or insulated vessels. Featuring Adjust-O-Seal® technology, it allows in-line seat adjustments, extending service life. The pad radius design enhances drainage efficiency and minimises pocket areas above the ball. Built from 316L stainless steel, Hastelloy®, and AL6XN™, it supports hygienic clamp, FNPT, and flanged connections. Designed for full vacuum operation, the AF Series ensures reliable performance in biotech, pharmaceutical, and high-purity industrial applications.

Key features

Sizes: 1” to 6”

316L, 316L S/S, Hastelloy™, AL6XN™, others

Pad radius facilitates efficient drainage and reduces the pocket area above the ball

Bubble-tight sealing

Direct mount actuation

Vacuum-rated

Optimised stem angle