Series 4 trio triple offset
Features: ISO 5211 top plate for direct mounting of a wide range of actuators and gears Seal ring retainer, made of identical metal as the disc, clamps and combines the seal ring rigidly on the disc face into a robust, composite unit Standard hard faced Stellite seat integral to body Robust single piece stem Live-loaded stem seal system by a set of Belleville springs. Rocker shaped gland bridge compensates for uneven adjustment of gland bolts SS316+Nitriding bearings with graphite rings designed to take high radial and axial stem loads, and for ingress protection One piece body Replaceable laminated seal ring is located on the disc, precision machined for bi-directional sealing
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