Gate valve 4120E3

manualfor waterflange

The Hawle E3 spigot ends valve with the high-tensile loose flange system is especially suitable for use with new builds in addition to being a replacement for existing valves The flat gaskets are already contained in the conical seals Hawle E3: Double bayonet O-ring carrier is connecting the spindle to the bonnet, allowing a fully encased, uniform epoxy powder coated bonnet for further improved corrosion protection Spindel made of Duplex stainless steel Wedge guide made of wear resistant POM material in load optimized design minimizes attrition and ensures lowest torque actuation Wedge is flexible and fully linked in vulcanized elastomer to the wedge nut. This snug fit dampens vibration during opening and closing of the wedge Wedge nut has a long thread length allowing significantly higher torques than the standard before breaking O-rings, lip-seals mounted in the bonnet are replaceable under operating pressure Extended edge protection to avoid damages during transport, storage and assembly Sliding disks and ball bearing assure low friction performance of the spindle 100% suitable for buried installations Suitable for cleaning with a cleaning pig One extension spindle for several dimensions Suitable for operation by automatic actuators Easy refitting for position indicator and automatic actuators on the standard bonnet (DN 50 to DN 200) To set-up an actuator or a position indicator, remove the centering flange and insert position indicator or actuator with adapter (DN 250 bis DN 400) Standards Resilient seated gate valve according to EN 1171, EN 1074-1 and EN 1074-2 with smooth, straight-through bore