Product category:
Process Hardware (Pipes, Nozzles, Heaters, etc)
News Release from: Rotork Controls | Subject: Gearboxes
Edited by the Engineeringtalk Editorial
Team on 14 March 2001
Gearbox range for hand operated valves
Rotork Gears introduces robust and economical gearbox range for hand operated valves.
Rotork Gears has launched a new range of ruggedly designed bevel gearboxes that have been specifically developed for the manual operation of penstocks, gate valves, globe valves and other multi-turn valve designs Designated the Exeeco HOB range, standing for hand operated bevel, the gearboxes are manufactured with a fully enclosed cast iron gearcase and grease filled for a maintenance-free life
This article was originally published on Engineeringtalk on 20 Sep 2007 at 8.00am (UK)
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A range of four HOB model sizes has been developed in response to input from valvemakers, to offer the robustness traditionally associated with Exeeco gearboxes and an attractively competitive cost.
All models feature a removable steel or aluminium bronze output sleeve for convenient machining to suit screwed or keyed valve stems with diameters up to 73mm.
Standard HOB gearboxes are suitable for valves in the operating torque range of 200 to 1355 Nm, within an ambient temperature range of -40 to +120C.
Optional extras include position indicators, stainless steel input shafts - increasing environmental protection to temporarily submersible IP68 from the standard watertight IP67 - and special coatings for aggressive environments.
The new HOB design fits neatly into the existing Rotork Gears range of gearbox products, encompassing Alecto's quarter-turn designs for manual valves and fluid power actuators, and Exeeco's high output gearboxes designed for manual and electric actuation.
The third company in the Rotork Gears alliance - Valvekits - manufactures and supplies valve mounting kits, adaptation, extensions, locking devices, switchboxes and positioners to complete the scope of supply available to the valvemaking industry from a single Rotork source.
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