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the world s gas pipelines and valve control for subsea applications and other critical applications . reliable shafer gas over oil actuator right fit for small valves when pipeline space is limited the compact shafer sh series helical spline gas over oil actuator is the perfect choice for small valves 2 to 8 . view product rv series actuators are excellent for tight space applications . view product view product resources download documentation find comprehensive information for all our products . controllers & instruments network controls line break detection systems master stations switching relays and monitoring systems . product training looking for product training check out our wide range of technical and product training . locate distributor or sales office search for the nearest distributor or sales office . gearboxes and manual overrides see the latest in our quarter turn worm multi turn bevel gears and manual overrides . show more featured technology shafer rv series rotary vane actuator shafer rotary vane gas over oil actuator are ideal for natural gas pipelines to automate ball or plug valves . perfect for severe climate conditions . learn more featured technology shafer sh series helical spline gas over oil actuator shafer sh series double acting hydraulic gas over oil actuator is perfect for small valve pipeline applications for safe performance . learn more featured technology shafer l series linear actuator shafer l series linear actuator built for rising stem type valves for hydraulic gas hydraulic or pneumatic actuation . learn more featured technology shafer electro hydraulic power unit hpu shafer hydraulic power units hpu are built for hazardous locations like the natural gas oil and water industries . learn more previous next products shafer rv series rotary vane actuator shafer rotary vane gas over oil actuator guardians of the pipeline are ideal for natural gas pipelines to automate ball or plug valves . perfect for severe climate conditions and remote locations . view product shafer sh series helical spline gas over oil actuator shafer sh series double acting hydraulic gas over oil actuator is perfect for small valve pipeline applications for safe performance . view product shafer l series linear actuator shafer l series linear actuator built for rising stem type valves for hydraulic gas hydraulic or pneumatic actuation . view product shafer electro hydraulic power unit hpu shafer hydraulic power units hpu are built for hazardous locations like the natural gas oil and water industries . view product services & consulting project services our performance services offer expertise and support to help take your operation to the next level . lifecycle services our global service centers support all your service requirements or technical queries . educational services improve your workforce with a full range of training options from emerson s educational services . consulting services our reliability services are key to avoiding unplanned shutdowns increasing yield and reducing costs . high performance valve actuation is challenging constant torque output ensures that the specified safety factor will not diminish at various positions during the valve stroke . download case study industry appications mining and metals safe valve operation in extreme and hostile conditions oil and gas pipelines are in remote and harsh environments . dependable equipment of is absolutely vital . subsea subsea solutions must be precisely designed to ensure reliable operation at all depths . select a product see all actuation products in our online product catalog . order status search open orders for past 90 days . enter purchase order number or emerson sales order number . online store & sizing tool browse the valve automation online store to find products you need and would like to order . our businesses automation solutions commercial & residential solutions our company about us leadership corporate social 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