b'GEARBOXES - WORM GEARW G 0 0 8 W O R M G E A R O P E R AT O RDIMENSIONS WORM GEARRugged, dependable,precision performancefor valves requiring90 rotation.212.5mm 212.5mmMOUNTING PATTERN229mm 19.6785mmBored as required or supplied with pilot hole4 x 3/4 UNC, 6.5 PCD450mm107mmRight angle mitre box. Vertical stem option.Reliable rugged worm gear boxes with position indicators and adjustable Travel/stop screws for 1/4 turn ball valves, plug valves etc. Weatherproof housing, manufactured from high strength ductile iron, seals at bottom of worm gear hub to protect and isolate internal operating parts from dirt and water.Carbon steel one-piece input shaft and worm gear are supported by ball or tapered roller bearings for increasedefficiency.Nosleevebearingsareusedinanymodel.Durable ductile iron worm segments are standard.Adjusting screws allow a + or - 5 range at end of travel. Permanentlylubricatedwithgenerousamountsofhighqualitygrease.Greasefittingsarestandardonallmodels.QUICK REFERENCEUnit ApproximateMaximumUnitMaximum Bore SizeMinimum BoreMountingType Weight in KG Output Input Torque NM Ratio SquareRectangularSize MM Pattern MSS W/O Wheel Torque NM Keyway Keyway SP-10138.1mm WITH39.88mm WITH* (4) 5/8 UNC-2B WG008 14 1219 110 50:1 12.7mm X 12.7mm 12.7mm x 9.53mm15.88 ON A 165MM PCDKEYWAY KEYWAY* Other drillings on requestDIAMOND GEAR - Gearboxes 15'