Q5001 valve linkage is applicable to 2-Way or 3-Way valves in modulating or two-position service|Linkage requires no adjustment when Use with Honeywell valves and Modutrol IV™ Motors|Q5001 Valve Linkage replaces Q601 and Q618 Valve Linkages|Linkage mounts directly to the valve bonnet, motor mounts to linkage bracket|Easy-to-read position indicator|Valve stem lift height cam selectable|Over travel permits tight close-off without excessive motor strain|Reversible cams on the Q5001 allow field selection of normally open or normally closed valve operation|All models have anti-spin clips|-40 to 150 deg F ambient temperature|160 or 320 lbf stem force rating|1-7/8 in bonnet|1-1/2 in stroke