Bettis hydraulic actuator manual. Also for: Hd732-s, Hd732 m3hw-s, Hd732 m3-s.
Bettis hydraulic actuator manual. Hydraulic Double-Acting Balanced Rotary Actuator 90 Quarter-Turn. This service procedure is offered as a guide to enable general maintenance to be performed on GH Bettis 521-SR, 521-SR-M3, 521-SR-M3HW, 721-SR, 721-SR-M3 and 721-SR-M3HW hydraulic actuators. Power gas / signal gas connected in identified ports. Also for: Bettis g2 series, Bettis g3 series, Bettis g4 series, Bettis g5 Temperature Ranges Bettis HD-Series pneumatic and hydraulic actuators are ideally suited for operating ball, butterfly, plug valves, dampers and other 90 degree turn devices. Please contact Bettis to ensure that the c and hydraulic actuators provide the latest in valve actuation design. Double-Acting Series controller pdf manual download. 3. It can be altered from a single acting to a double-acting and add a hydraulic manual override after installation Offers a variety of mechanical and manual overrides for G-Series models Offers complete valve operating system (VOS) for final valve control by combining the G-Series actuator, controls and a valve in a singular system Jackscrew is available for the G1, G2, and G3 Bettis offers a variety of mechanical and manual overrides for G-Series models. Piston rods and extended tie rods are protected against physical damage with polyurethane mesh sleeving. Bettis G01 Series controller pdf manual download. Indoor storage, if available, is recommended for all actuators. Nov 23, 1998 · SEE APPLICABLE SECTION IN SERVICE MANUAL FOR INSTRUCTIONS. Please contact Bettis to ensure that the The Bettis Smart EHO actuator may be equipped with an accumulator for modulating valve control or to enable manual operation of the actuator if there is a loss of electrical power. View online or download Emerson Bettis G01 Through G10 Installation, Operation And Maintenance Manual View and Download Emerson Double-Acting Series disassembly and reassembly online. Pneumatic Actuators. Lifting eyes are to be used in combination, with a 3 leg sling with one shortening hook, to lift the operator only. Shuttle Valve; Page 49 Service Instructions Section 6: Operation MAN-02-08-77-0714-EN Rev. Rugged, economical, simple— Robotarm Actuators afford the most practical and reliable method for opening and closing valves by remote signal. 0, Bettis eho g3004. Please contact Bettis to ensure that the following instruction manual is the most recent one available. LP-31: LP-Gas118 Pages The maximum number of products that can be compared is 4. Pressure switches for alarming and return line hydraulic filtration are available as an option. Hydraulic Actuators. The reservoir G-Series pneumatic and hydraulic actuators provide global customers with the latest in valve actuation design. Double-Acting, Electro-Hydraulic Operated. The gas/ hydraulic products epitomize the quality and performance required for controlling high pressure natural gas pipelines in remote locations and under severe climatic conditions. An aviation grade hydraulic fluid (ESSO UNIVIS or EQUIVALENT) is used unless Customer has specified otherwise. The fluid level is high when the hydraulic cylinder piston rod is retracted into the hydraulic cylinder. 1 M11 is a compact modular hydraulic override system designed for use with Bettis Double-Acting and Spring-Return Actuators. Electrical connections in junction box terminals are secure. The M3 jackscrew manual override for G1, G2, and G3 models is available with or without handwheel. . The manual provides essential information and guidelines for general maintenance Apr 29, 1998 · The hydraulic fluid is an important component of each BETTIS Gas / Hydraulic operator system. 2 This service procedure is offered as a general guide for the following Bettis Double Acting and Spring Return Series Hydraulic Actuators: 121, 221, 231, 331, 2210 The Product is now discontinued. View and Download Bettis Rotary Gas/Hydraulic Actuators Service Manual instruction manual online. 1 and 6. The EHO utilizes a dependable spring-return actuator for the Fail-safe stroke combined with an integral hydraulic power pack and electronic control module. 2 should not be used without prior written approval of Bettis Product Engineering. Bettis has been a global leader in valve control for high pressure natural gas operation for more than 55 years. 0, Bettis eho g4003. Service Instructions for Bettis Hydraulic Actuator G01 through G10 Spring Return Series Single Hydraulic Power Module Actuators with M11 Hydraulic Override. View and Download Emerson BETTIS G10 Series service instructions manual online. They also offer a line of quality electric actuators. The actuator has been designed for critical shutdown applications where reliability is crucial. Emerson/EIM/Bettis installation, operation & maintenance manuals. Bettis PressureGuard Hydraulic Emergancy Shutdown System can perform valve shutdown with or without power. Bettis g series actuator instruction manual This is a technical manual detailing the installation, operation, and maintenance procedures for Bettis G01 to G10 Spring-Return Pneumatic Actuators with M18 Hydraulic Override, specifically focusing on models from G2-SR-M18 to G5-SR-M18 and G7-SR-M18 to G10-SR-M18. Jackscrew is available for the G1, G2, and G3 Bettis offers a variety of mechanical and manual overrides for G-Series models. The ECAT utilizes a hydraulic accumulator, pressurized with pipeline gas, as a stored energy source in order to actuate the actuator/valve to an open or closed position. The View and Download Bettis General Operating and Maintenance Instructions for Hydraulic Rotary Valve Actuators instruction manual online. Engineered to endure various pressures, temperatures, and environments, these actuators offer versatility and durability. Use a bucket, tub, and large container, etc. For remote mounting option, before removing the pump hose / tube fitting, press and hold plug (90 - 20) to release fluid pressure G and T-Series Actuators there is 250 psi pressure and HD-Series Actuator there is Scope This manual is offered as a guide to be used along with locally approved and safe practices to install, operate, service and maintain the Bettis EHO Actuator. 5, Bettis eho g2002. NOTE: Storage time is counted as part of the service interval. View Bettis Actuator products and specs from Allied Valve online or call us at 800-827-1197. Bettis M11 Manual Hydraulic Override System Operating Instructions for “HD”, “T”, and “G” Series Pneumatic and Hydraulic Actuators The following instruction manual is for the Bettis M11 Manual Hydraulic Override System. 1 June 2024 Bettis G01 Through G10 Spring-Return Pneumatic Actuators With M18 Hydraulic Override Notes June 2024 Installation, Operation and Maintenance Manual Bettis M11 Manual Hydraulic Override System Operating Instructions for “HD”, “T”, and “G” Series Pneumatic and Hydraulic Actuators The following instruction manual is for the Bettis M11 Manual Hydraulic Override System. Actuator Storage For applications where the actuator is not put into immediate service, it is recommended that the actuator be cycled with regulated clean/dry pneumatic pressure at least once per month. Also for: Bettis g3xxx m11 series, Bettis g01xxxx-m11 series, Bettis g7xxx m11 On actuators with a Bettis hydraulic override, the hydraulic cylinder may be threaded in and out of the actuator end cap to facilitate travel adjustment. These procedures can also be used on Bettis GXX2XX Double-Acting Series Twin Power Modules Pneumatic Actuators. Manuals and User Guides for Emerson Bettis M18 Hydraulic System. Self-Contained Hydraulic Emergency Shutdown Systems. Suitable for use in demanding SIL-required applications. 1. The actuator combines proven technologies from Emerson’s Actuation Technologies, including a spring-return actuator and an integral hydraulic power pack. Bettis’ G-Series actuators meet or exceed all requirements outlined below for Quarterturn(90°) valve operation. Mar 21, 1998 · The breather/fill port of the reservoir may be plugged with a metal or plastic plug, if so remove and replace with breather provided in bag attached to the unit. 0, Bettis eho For applications where the actuator is not placed into immediate service, it is recommended that the actuator be cycled with regulated clean/dry pneumatic pressure at least once per month. The Bettis EHO is a self-contained, quarter-turn, valve actuator that combines proven technologies from Emerson’s Actuation Technologies. Bettis G-Series Pneumatic & Hydraulic Scotch-Yoke actuator: PED 97/23/EC compliant, compact modular design, corrosion resistant Bettis actuator manual. Safe & Efficient Bettis Actuator Pipeline Control. Spring-Return Pneumatic Actuators with M18 Hydraulic Override. Bettis Electro-Hydraulic Operated controller pdf manual download. The Bettis Standard EHO provides a straight forward, simple, reliable ESD actuator solution. The self-contained system includes an electric motor, gear pump, suction strainer and reservoir. The actuators and controls are used in almost every energy-related industry, including oil and gas transmission, petrochemical and petroleum refining. Refilling Method Number 1 Refilling of the M11 Manual Hydraulic Override System is best accomplished using a pressure pump. On actuators with a Bettis hydraulic override, the hydraulic cylinder may be threaded in and out of the actuator end cap to facilitate travel adjustment. Manual Jackscrew Override The GVO Series of linear valve actuators are available with a unidirectional manual jackscrew handwheel override (‘-MJ’) for emergency use when plant air or power gas is unavailable. PressureGuardTM systems can be configured for rotary hydraulic operators for use with ball, plug, and other quarter-turn valves, as well as non-6A linear-operated valves. 1 M11 is a compact modular hydraulic override system designed for use with Bettis Double Acting and Spring Return Actuators. The THE BETTIS ROBOTARM@ . Bettis EHO industrial equipment pdf manual download. Also for: Bettis g01 sr series, Bettis g2 sr series, Bettis g3 sr series, Products supplied by Bettis, in its “as shipped” condition, are intrinsically safe if the instructions contained within this installation, operation and maintenance manual are strictly adhered to and executed by a well-trained, equipped, prepared and competent technician. Bettis was established in 1929 as an oilfield supply company and manufac-turer’s representative. It is designed to provide fail-safe actuation for Emergency Shut Down (ESD) valves. G01 through G10 Spring-Return Pneumatic Actuators with M11 Hydraulic Override Table of Contents Bettis EHO (Electro-Hydraulic Operated) Spring-Return Actuator is a self-contained, quarter-turn, valve actuator designed for critical shutdown applications where reliability is crucial. Also for: Hd732-s, Hd732 m3hw-s, Hd732 m3-s. Bettis G Series controller pdf manual download. All VALVE OPERATING SYSTEMTM The Bettis VOS is a turnkey solution that includes an actuator, air filter regulators, relief valves, solenoid valves, limit switches, positioners, as well as the piping and engineering. 1 Section 2 - Actuator Disassembly is written to either completely disassemble the entire actuator or can be used to disassemble individual Modules as needed (Hydraulic Power Module or Drive module). It is a highly unique and reliable means of operating ball, butterfly or plug valves along with louvers, dampers and other 90 degree rotating mechanisms. Emerson Bettis Rack and Pinion Pneumatic Actuators offer reliable torque to automate valves for a wide range of industrial applications from big to small, hot to cold, general to severe. G-Series are available with either symmetric or canted yokes to suit your operating requirements. The M11 hydraulic override can be used with either spring-return pneumatic or hydraulic models. Accumulators always have the nitrogen pressure drained for shipping. Robotarm II™ G-Series Pneumatic & Hydraulic Actuators Five-Year Warranty Severe Service Rated Tension-Lok™ Powr-Swivl™ Acculine™ Shaft Drive True Modular Design Wear and Corrosion Resistant Environmentally Sealed Safety NAMUR Type Approved ISO 9001 Versatile fDesign and Construction Introduction For more than 40 years, Bettis Manual Hydraulic has combined its ingenuity with Pump System Bettis is the global leader in valve automation, providing reliable solutions for the most demanding service in the process industry. Carefully follow the instructions in this manual and make sure you install the actuator correctly and according to your requirements. The CBA-300 protects against water ingress, adding to the life of the actuator by retarding corrosion. A hydraulic,scotch yoke, heavy duty, cost effective hydraulic actuator to remotely open and close valves. It emphasizes the importance of proper hydraulic fluid and lubrication for optimal performance and outlines service intervals and manual operation procedures. General M11 Service Information 1. The company later evolved into a manufacturing organization, becoming a pioneer in the valve actuator business. Demonstration on how to prime the Bettis M18 Manual Hydraulic Override For a double acting spring return Bettis G Series actuator. Stainless Steel Scotch Yoke Actuators. View and Download Emerson Bettis EHO installation and operation manual online. Double-Acting Pneumatic Actuators with M18 Hydraulic Override. Emerson’s Bettis valve actuation portfolio answers flow control’s toughest automation, safety and productivity challenges. For the protection of personnel working on Bettis actuators, this procedure should be reviewed and implemented for safe disassembly and reassembly. The ‘MJ’ override can also be used to hold the actuator in a particular position. 2 Normal recommended service interval for this actuator series is five years. HD/T-Series Pneumatic & Hydraulic Actuators for Heavy Duty Service Balanced Scotch-Yoke Design Manual Overrides Guaranteed Minimum Torques Variety of Trims No External Tie Bars Bi-directional Travel Stops Internally Coated To Resist Corrosion fDesign and Construction 9 Typical HD-Series Pneumatic Unit Introduction Bettis’ new G-Series continues the reduces the chance of injury to torque The Bettis Smart Electro-Hydraulic Operator (EHO) is a self-contained electro-hydraulic actuator designed to actuate quarter-turn valves. View and Download Emerson Bettis BHH Series installation, operation and maintenance manual online. The Bettis EHO actuator may be equipped with an accumulator to enable manual operation of the actuator if there is a loss of electrical power. The Bettis Smart EHO has advanced diagnostic capability and can be connected to DCMlink for remote monitoring. A highly unique and reliable means for operating ball, butterfly or plug valves BETTIS is a leading brand in the broad offering of Emerson Process Management – Valve Automation. Bettis PressureGuard controller pdf manual download. View and Download Emerson Bettis M18 installation, operation and maintenance manual online. The pump features a removable handle for storage and is adaptable to either side of the reservoir. Click the links below to open manuals in pdf format: The Bettis G-Series pneumatic, scotch yoke, valve actuator is a highly unique and reliable actuator for operating ball, butterfly or plug valves along with louvers, dampers and other 90 degree rotating mechanisms. The end cap of the hydraulic cylinder swivels to allow travel adjustment without loosening hydraulic ittings. View and Download Bettis Manual: Rotary Gas/Hydraulic Actuators Service Manual | Bettis instruction manual online. The system incorporates a piston type hand pump and a fluid reservoir. 3 Pneumatic G and HD-Series Actuators: Apply pneumatic pressure to the inlet port located in the outer end cap of the actuator’s power module (cylinder), placing the actuator in the clockwise (CW) position and proceed to step 3. With the dual-sealed Separate Terminal Chamber (STC), installation wiring can be terminated and fuses can be replaced without exposing the internal control components to hostile environmental conditions. Available as a complete, tailored-solution, BETTISTM PressureGuardTM usually consists of a self-contained hydraulic module, a hydraulic operator, and application-specific shutdown trigger accessories. The View and Download Emerson Bettis Multiport installation, operation and maintenance manual online. For the protection of personnel working on Bettis actuators, this procedure should be reviewed and implemented for safe disassembly and reassembly. Bettis G-Series actuators are lightweight, efficient and reliable - all in a compact, modular package. Bettis G-Series with Wireless Transmitter Emerson Process Management – Valve Automation sets the standards for innovation and quality in pneumatic and hydraulic valve automation. This instruction manual was prepared by Bettis, a member of the Valve Automation Division of Emerson Process Management. Also for: Bettis eho g01001. View online or download Emerson Bettis G Series Installation, Operation And Maintenance Manual. It includes all related documentation from installation manuals, quick service guides, drawings to warranty certificate and maintenance schedules. 0, Bettis eho g4004. is a superior cylinder-type actuator of proven design. The Bettis G-Series hydraulic, scotch yoke, valve actuator is used for operating ball, butterfly or plug valves along with louvers, dampers and other 90 degree rotating mechanisms. A highly unique and reliable means for operating ball, butterfly or plug valves along with louvers, dampers and other 90 degree rotating mechanisms, the G-Series carr View and Download Emerson Bettis G Series installation, operation and maintenance manual online. View and Download Emerson Bettis M Series installation, operation and maintenance manual online. Emerson Bettis G01 Through G10 Pdf User Manuals. When the model number has "S" as a suffix, then the actuator is special and may have some differences that are not included in this procedure. View online or download Emerson BETTIS 67 DH Installation, Operation And Maintenance Manual G-Series pneumatic and hydraulic actuators provide the latest in valve actuation design. View online or download Emerson Bettis G4 SR Series Installation, Operation And Maintenance Manual The Bettis Standard Electro-Hydraulic Operator (EHO) is a self-contained electro-hydraulic actuator designed to actuate quarter-turn valves. Double-Acting Actuator. View and Download Emerson Bettis PressureGuard installation and maintenance manual online. Also for: Bettis gc series, Bettis gh series, Bettis ghc series. Today, Bettis is part of the world’s leading manufacturer of pneumatic and hydraulic valve actuators – Emerson Process Management. The override can be used on either spring-return or double-acting models and can be applied to pneumatic or hydraulic units. Bettis Hydraulic Valve Actuators Bettis Hydraulic Valve Actuators, renowned for their reliability and efficiency, serve as a pivotal component in controlling the flow of fluids in industrial settings. Hydraulic Override System. View and Download Emerson Bettis G Series installation, operation and maintenance manual online. Field proven linear valve actuator suitable for automating most types of rising stem valves in safety shutdown and control applications. G01 through G10 Spring-Return Pneumatic Actuators with M11 Hydraulic Override Table of Contents Emerson Bettis G4 SR Series Pdf User Manuals. Also for: Bettis g01, Bettis g2, Bettis g3, Bettis g4, Bettis g5, Bettis g7, Bettis g8, Bettis g10. View and Download Emerson Bettis EHO installation, operation and maintenance manual online. The CBA-300 actuators combine the strength of scotch-yoke actuation with design innovations for cost efficiency and performance effectiveness. Normal recommended service interval for this actuator series is five years. Bettis Hydraulic Rotary Valve Actuators are designed for a wide range of industrial applications, providing precise and reliable control of quarter-turn valves. A highly unique and reliable means for operating ball, butterfly or plug valves along with louvers, dampers and other 90 degree rotating mechanisms, the G-Series carries an industry leading five-year warranty on materials and workmanship. We have 1 Emerson Bettis M18 Hydraulic System manual available for free PDF download: Installation, Operation And Maintenance Manual The Bettis EHO is a self-contained, quarter-turn, valve actuator that combines proven technologies from Emerson’s Actuation Technologies. Assembly drawing for G01 through G10 double-acting hydraulic series actuators with -H cylinder use part number 115916 M11 manual hydraulic override system operating instructions part number 126858 with M11 assembly drawing part number 126567 M11-S manual hydraulic override system operating instructions part number 121960 with M11 S assembly drawing part number 121107 Emerson BETTIS 67 DH Pdf User Manuals. Safe, reliable and field-proven actuation technologies for pneumatic, hydraulic, electric actuators and gearboxes that suit many types of applications and specifications. OPERATION View and Download Emerson Bettis G2XXX M11 series service instructions manual online. Fisher Bettis M11 is a compact modular hydraulic override system designed for use with Bettis Double Acting and Spring Return Actuators. The Bettis G-Series, hydraulic actuator design enables safe field maintenance with reduced service time. Care should be taken to plug all open ports on actuator and controls to keep out foreign particles and moisture. 3 Hydraulic Fluid For Actuator M2, M4, M7 M9 and M11 Override Systems: Hydraulic fluids, other than those listed in steps 6. A variety of Emerson Bettis G7 Series Pdf User Manuals. A highly unique and reliable means for operating ball, butterfly or plug valves This document provides general operating and maintenance instructions for Bettis hydraulic rotary valve actuators, detailing their design, storage, installation, start-up, operation, maintenance, and spare parts availability. G-Series pneumatic and hydraulic actuators provide the latest in valve actuation design. The fluid level is low when the hydraulic cylinder piston rod is extended out of the hydraulic cylinder. 6. Learn more about our market-leading portfolio. Bettis G G-Series pneumatic and hydraulic actuators provide the latest in valve actuation design. The Bettis Self-contained Electro-Hydraulic Actuator includes a fluid reservoir sized to contain the hydraulic fluid required to operate the actuator cylinder and controls. Also, actuators The Bettis G-Series pneumatic, scotch yoke, valve actuator is a highly unique and reliable actuator for operating ball, butterfly or plug valves along with louvers, dampers and other 90 degree rotating mechanisms. Bettis GVO-C Linear actuators are shipped pre-lubricated, with exposed machined parts protected against corrosion. View and Download Emerson Bettis G01 Series installation, operation and maintenance manual online. Bettis EHO controller pdf manual download. The Bettis G-Series pneumatic, scotch yoke, valve actuator is a highly unique and reliable actuator for operating ball, butterfly or plug valves along with louvers, dampers and other 90 degree rotating mechanisms. The Bettis Smart Electro-Hydraulic Operator (EHO) is a self-contained electro-hydraulic actuator designed to actuate quarter-turn valves. BETTIS G10 Series controller pdf manual download. Emerson's hydraulic, pneumatic and electric actuators for industrial valves have decades of proven field use. Spring-Return Actuator. Close attention should be noted to the WARNINGS, CAUTIONS and NOTES contained in this procedure. Bettis M Series controller pdf manual download. 90 ̊ Open 0 Bettis Service Instructions for Models G01 through G13 Pneumatic Actuators The following instruction manual is for the Bettis Actuator. Robotarm Actuators provide positive re- mote control for any type of rotary operation of ball, butterfly or plug valves, or any other 900-1800 rotating mechanism. 2. Bettis ninety-degree rotary actuators are designed for use with quarter-turn devices of a broad range of sizes and types, and are applicable over a wide range of pressures, temperatures, and environments. G-Series actuators are back by a five-year materials and workmanship warranty, the best in the industry. Bettis G2XXX M11 series controller pdf manual download. CONNECTIONS Pneumatic / hydraulic components connected as per SCHEMATIC enclosed or in service manual supplied. G01 through G10 Double-Acting Pneumatic Actuators with M11 Hydraulic Override Table of Contents High-pressure pipeline scotch yoke valve actuator that automates valves on gas transmission pipelines where there are no pneumatic or hydraulic supply lines available. This document provides a comprehensive guide to installing, operating, and maintaining the Bettis M11 Manual Hydraulic Override System, designed for use with HD, T, and G series pneumatic and hydraulic actuators. Double-Acting G-Series Actuators with M11 Hydraulic Override. I have thoroughly reviewed the document and can help you locate the exact information you need or explain the content in clear and simple terms. Specification Guide The following guide develops a comprehensive, performance oriented pneumatic and hydraulic actuator and control specification. Installation, Operation and Maintenance Manual VA-DC-000-1878 Rev. View and Download Emerson Bettis Electro-Hydraulic Operated installation, operation and maintenance manual online. An aviation grade hydraulic fluid (ESSO UNIVIS or EQUIVALENT) is used in all BETTIS operator systems, or per customer request. Hydraulic Fluid Level The fluid level in the handpump reservoir changes when the actuator is operated. Please clarify your G-Series pneumatic and hydraulic actuators provide global customers with the latest in valve actuation design. View and Download Bettis Linear Gas/Hydraulic Actuators Service Manual instruction manual online. Measure the fluid level in the low position, using a dip stick, and maintain this The Bettis G-Series hydraulic, scotch yoke, valve actuator is used for operating ball, butterfly or plug valves along with louvers, dampers and other 90 degree rotating mechanisms. Using a means of capturing the hydraulic fluid that will be lost during the following steps. Acculine Drive Shaft Replacement. Bettis M18 industrial equipment pdf manual download. View online or download Emerson Bettis G7 Series Installation, Operation And Maintenance Manual, Disassembly And Reassembly Bettis™ is a world leader in pneumatic and hydraulic quarter-turn and linear valve actuators. Bettis Multiport controller pdf manual download. Everything the end-user needs to The Bettis G-Series pneumatic, scotch yoke, valve actuator is a highly unique and reliable actuator for operating ball, butterfly or plug valves along with louvers, dampers and other 90 degree rotating mechanisms. The system incorporates a piston-type pump and a fluid reservoir for the hydraulic cylinder differential due to inboard piston rod displacement. A variety of shutdown View and Download Emerson Bettis G Series service instructions manual online. These actuators are designed for precision in modulating valve positions, ensuring optimal performance in oil, gas, and water industries. Mar 13, 2025 · I am an AI chatbot specifically trained to assist you with the Bettis Rotary Gas/Hydraulic Actuators Service manual. This instruction manual was prepared by Bettis, a member of the Valve Automation Division of Emerson Process Management . Wiring as per enclosed diagram or service manual supplied. 2. 3. 1. 2 This service procedure is offered as a guide for the following Bettis Double Acting and Spring Return Series Hydraulic Actuators: 121, 221, 231, 331, 2210, 25420, 2521, 2542, 3420, 3531, Gas/Hydraulic tanks must remain generally vertical, regardless of valve and valve stem orientation. Bettis Pneumatic Scotch Yoke Actuators offer safe and reliable torque to automate valves for a wide range of critical applications. Spring-Return (SR) Series Single Power Module Pneumatic Actuators. M11– This hydraulic manual override is a compact modular system designed for use with all G-Series actuators. 2 September 2020 Functional Description The following is a functional description of the Bettis Electro Hydraulic Actuator and a brief explanation of the main components. dce ypibzlv qnpl uinrme rnaqh qyhgt mchf qqh stxips fejv