Chiksan® Swivel Joints - Topco Oilsite Products Ltd.

Weco ® Butterfly Valves and ActuatorsOperators & ActuatorsAll models and sizes of Weco butterfly valves can beequipped with Weco operators or actuators as wellas other brands of actuators. Typical options includestandard and throttling handles, gear operators,chain-wheel operators, vane actuators, pneumaticactuators, special controllers, and positioners.Pneumatic ActuatorsDouble-acting or fail-safe springreturn; 2 through 12-inch valve sizesRecommended servicePneumatic actuator foron/off valve operationFeatures• Mounts directly to Wecobutterfly valves withoutspecial adapters ormounting hardware• Full 90° operation with aminimum of 30 psi air, noadjustments requiredGear OperatorsWeatherproof, worm gear operator;2 through 24-inch valve sizesRecommended serviceManual on/off or throttling servicesFeatures• Operator has 90° travel arc withinternal travel stop screws for aplus or minus 20° adjustment ateither end of the travel• Mounts on the valve in anyquadrant• Chain wheel attachment available• Hand-wheel shaft extensionsavailableVane ActuatorQuarter-turn, double acting actuator;2 through 6-inch valve sizesRecommended serviceCompact, pneumatic actuator for on/offvalve operationFeatures• The only moving part, the vane, iscast integral to the shaft for sturdiness;does not require field lubrication• Fully repairable in-line• Mounts directly to valve in any quadrantStandard Handle2 through 12-inch valve sizesRecommended serviceRecommended for 8-inch valves and largerFeatures• Positive-stop gripper with integral locking lug ensuresfull open/full closed operation• Model 12 and 12N valves have a detent plate whichbolts on the valve body in each of four quadrants;Model 22 and 22L valve have a pre-notched topflange with on/off detent positionsThrottling Handle2 through 12-inch valve sizesRecommended serviceRecommended for 8-inch valves and largerFeatures• Notched detent plate and positive-stop gripper withintegral locking lug ensures positive locking in any of10 positions from full open or full closed operation• Detent plate bolts on the valve body in each of thefour quadrantsSee specifications tables (pages BV4A to BV10A) for sizes, dimensions, weights, materials, and part numbers.BV4