b'GEARBOXES - WORM GEARW G 5 0 8 W O R M G E A R O P E R AT O RDIMENSIONS 207.01 mm WORM GEARRugged, dependable,precision performance297.18 mm for valves requiring90 rotation.795 mm703 mm MOUNTING PATTERN560 mm M36X45EQUALLY SPACED22.5 ON A 406mm BC750 mm Bored asrequired or supplied withpilot hole MSS SP-101 FA25358 mm245 mm25.4 mm270 mmRight angle mitre box. 672 mm 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.Nosleevebearingsareused.Durable ductile iron worm segments are standard.Adjusting screws allow a + or - 5 range at end of travel. Permanentlylubricatedwithgenerousamountsofhighqualitygrease.Greasefittingsarestandardonallmodels.Also available in subsea (IP67) and low temperature configurations up to 320,000NMQUICK REFERENCEUnit Approximate MaximumInput Torque Unit Maximum Bore SizeMinimum MountingType Weight in KG Output Torque NM NM Ratio SquareRectangularBore Size MM Pattern MSS W/O Wheel Keyway Keyway SP-101218mm WITH 230mm WITH F40WG508 316 60000 190 1254:1 50mm x 50mm 50mm x 38mm 89mm 8XM36X45KEYWAY KEYWAY 406mm B.C.DIAMOND GEAR - Gearboxes 33'