Model 3100 , 3101 & 3102 - Double Eccentric Type Butterfly Valves Brochure

Double eccentric type. Bidirectional sealing. Design according to the requirements of EN 1074. Face-to-face dimensions according to EN 558-1 Series 14 (former DIN 3202-F4). Body, disc, retainer ring and gear box high quality epoxy powder coated (fusion bonded) minimum thickness 250 microns. Sealing seat from CrNi hardened stainless steel, welded to the body and machined (or mechanical fixed, removable). Sealing gasket changeable. Shaft from stainless steel with maintenance-free O-ring sealing embedded in non-corrosive material to DIN 3547-1. Gear box flanges for mounting automatic electric actuators to EN ISO 5211. Manual operation by handwheel, operating cap, extension spindle (underground installation) or electrical actuator.