Total Marine Engineering Service Provider

The IQM is suitable for up to 1,200 starts per hour (S4 / Class C). Direct seating torque output range from 10 to 544 Nm (7 to 400 lbf.ft). With second stage gearboxes, output seating torque up to 3,600 Nm (2,655 lbf.ft) and part-turn up to 77,000 Nm (56,790 lbf.ft).

Benefiting from all the features of the IQM 3-phase electric actuator, the IQML has a linear output drive providing seating thrust output of up to 43 kN (9,667 lbf).

IQS is the 1-phase version of the IQ actuator. Direct torque range from 10 Nm to 450 Nm (7 lbf.ft to 332 lbf.ft). With second stage gearboxes, multi-turn output torque up to 9,700 Nm (7,154 lbf.ft) and part-turn up to 208,000 Nm (153,412 lbf.ft).

IQD actuators are direct current powered versions of IQ actuators. Direct torque range 11 Nm to 305 Nm (8 lbf.ft to 225 lbf.ft). Voltage ranges available are 24, 48 and 110 VDC. With the addition of second stage gearboxes, DC multi-turn output torque up to 1,500 Nm (1,106 lbf.ft) and quarter-turn up to 132,000 Nm (97,358 lbf.ft) are available.

IQT part-turn 3-phase, 1-phase and DC electric actuators are designed for isolation or regulation duties (S2 & S3/Class A & B) of up to 1,200 starts per hour. Direct torque output range from 50 Nm to 3,000 Nm (37 lbf.ft to 2,214 lbf.ft).

The modulating version of the IQT electric actuator is designed for modulating duty up to (S4/Class C). It features fast-response remote control circuits for rapid control.

IQTF electric modulating actuators are capable of multi-turn, rising output, linear output and direct rotary output. Includes special fast switching control inputs for hardwired control.

CK range products comply with international design standards, actuator standards EN15714-2, EN ISO 5210 , MSS SP 102 and manual handwheel operation standard EN12570. The standard range is rated for -30 to +70 ºC (-22 to +158 ºF). Low temperature option available between -40 and +60 ºC (-40 to +140 ºF) with a change of lubricant and bearings.

CK actuators equipped with the Atronik control module provide a ready-to-operate actuation solution. The motor switch gear, power supply components and integral control logic interface allow local operation of the actuator with only an adequate power supply. There is built-in fault detection with clear LED indication.

CK actuators equipped with the Atronik control module provide a ready-to-operate actuation solution. The motor switch gear, power supply components and integral control logic interface allow local operation of the actuator with only an adequate power supply. There is built-in fault detection with clear LED indication.

CK actuator mounting flange dimensions are in compliance with ISO 5210 or MSS SP-102. CK actuators have a B1 (bore & key) output drive type as standard. B3 (bore & key) and B4 (blank) are available through the use of adapter sleeves designed to insert into the standard B1 output. B1, B3 and B4 couplings are designed for use with torque only applications such as non-rising valves or second stage gearboxes.

CK actuator mounting flange dimensions are in compliance with ISO 5210 or MSS SP-102. CK actuators have a B1 (bore & key) output drive type as standard. B3 (bore & key) and B4 (blank) are available through the use of adapter sleeves designed to insert into the standard B1 output. B1, B3 and B4 couplings are designed for use with torque only applications such as non-rising valves or second stage gearboxes.

The Rotork CVQ quarter-turn, electric process control actuator, offers a highly accurate and responsive method of automating control valves, without the complexity and cost of a pneumatic supply. With an increased focus on production costs and efficiency, accurate control of product through the pipeline is paramount. With resolution figures better than 0.1% and the ability to eliminate position overshoot, the Rotork CVQ helps to maximise product quality and plant capacity.

CML - Linear can be powered by 1-phase or direct current supplies. Optional Local Controls with LCD Display (linear, part-turn, multi-turn) as well as Local Controls with LCD Display Plus Supercapacitor Reserve Power Pack (RPP) (linear and part-turn only) units available. Wide standard ambient temperature range -22 to 158 °F (-30 to 70 ºC).

CMQ - Part-turn can be powered by 1-phase or direct current supplies. Optional Local Controls with LCD Display (linear, part-turn, multi-turn) as well as Local Controls with LCD Display Plus Supercapacitor Reserve Power Pack (RPP) (linear and part-turn only) units available. Wide standard ambient temperature range -22 to 158 °F (-30 to 70 ºC).

CMR - Multi-turn can be powered by 1-phase or direct current supplies. Optional Local Controls with LCD Display (linear, part-turn, multi-turn) as well as Local Controls with LCD Display Plus Supercapacitor Reserve Power Pack (RPP) (linear and part-turn only) units available. Wide standard ambient temperature range -22 to 158 °F (-30 to 70 ºC).

The Local Hand Station is an actuator control panel. It provides a fully enclosed control panel which can control actuators and other field devices in hazardous or inaccessible locations. It is certified for use in ATEX and IECEx hazardous areas, so it is flexible and reliable. This actuator control panel ensures safe and reliable local operation, which is critical to the ongoing efficiency, safety and maintenance of a site. It provides a simple control panel interface between the actuator or field device and the DCS, offering complete local override of DCS control signals to ensure localised maintenance activities can be performed safely without unexpected operation occurring.

Small, electro-mechanical part-turn actuator environmentally sealed to IP68. Torque range 40 to 406 Nm (30 to 300 lbf.ft). 1-phase power supply

ROM actuators provide quiet and reliable operation for all kinds of small ball valves and butterfly valves, as well as dampers and ventilation louvres. They provide local indication and manual override options together with a wide range of voltages. Torque range 8 to 800 Nm (6 to 590 lbf.ft). -30 to +70 ºC (-22 to +158 ºF)† operation.

The ROM range of actuators can be enhanced with the addition of a self-contained control package to create a ROMpak actuator. This adds local controls, status indication relays, isolated control circuits and support for Rotork control options such as Folomatic, Pakscan™ and other bus systems. Torque range 8 to 800 Nm (6 to 590 lbf.ft).

ExMax Range part-turn explosionproof actuators. Compact, robust and lightweight electric part-turn valve actuator, designed for use in Ex areas for all gases, mists, vapours and dust. Temperature range: -40 to 50 ºC (-40 to 122 ºF).

ExMax+Lin/ExRun Range linear explosionproof actuators. ExRun and ExLin electric linear valve actuators are designed for use in Ex areas for all gases, mists, vapours and dust. Linear conversion for safety applications (Fail-safe function) in combination with ExMax.

Torque range up to 35,256 Nm (26,000 lbf.ft). Temperature range from -40° F to 185° F (-40° C to 85° C).

Thrusts from 150 to 1,500 lbf. (667 to 6,672 N). Stroke distance from 6 to 24 inches (152 to 610 mm). Temperature range from -40° F to 150° F (-40° C to 65° C).

Thrusts from 800 to 1,600 lbf. (3,558 to 7,117 N). Stroke distance from 6 to 24 inches (152 to 610 mm). Temperature range from -40° F to 150° F (-40° C to 65° C).

The RC200 is an extremely compact pneumatic actuator. Its scotch yoke design is particularly suited for valves with high start or end torque requirements. It is available in double-acting and spring-return configurations with torque output up to 4,400 Nm (38,000 lbf.in).

K-TORK Actuators and Controls represents the future of valve automation. The vane actuator is a ‘True Rotary’ actuator that does not require the conversion of a linear motion to a rotary motion. The result is a simple, highly accurate and reliable quarter-turn pneumatic actuator that is specified for the most demanding process flow control applications.

CP range pneumatic actuators are a versatile, modular, scotch yoke design available in both double-acting and spring-return configurations. The compact and efficient design yields high torques even at low pressures. The design concepts found in Rotork's large, heavy-duty actuators has been applied to the CP range, which brings heavy-duty actuator qualities to small, quarter-turn actuators. The actuator body is of rugged, ductile cast iron available in four body sizes. Cylinders are manufactured from carbon steel, electroless nickel-plated.

LP/LH linear actuators offer the advantages of compact size, high performance and a simple but highly reliable design. They are ideal for operating on/off and control functions of both globe and wedge gate valves. Both spring-return and double-acting configurations are available with either pneumatic or hydraulic cylinders. LP/LH actuators can be fitted with handwheel (both fixed and declutchable) or hydraulic manual override if desired. They are available in both spring-down and spring-up travel direction.

GP (pneumatic) and GH (hydraulic) range scotch yoke actuators are designed to provide a rotary, quarter-turn movement for either on/off or modulating duty. The rugged yet compact design is available with two different yoke designs. The classic symmetric yoke delivers peak torque at both ends of stroke. Alternatively, they can be supplied with canted torque arms designed to deliver peak torque at only one end of stroke. Use of canted arms can often reduce actuator size, weight and cost for valves with appropriate torque demand characteristics.

RH rack and pinion hydraulic actuators are engineered to operate ball, butterfly, plug and other quarter-turn valves for either on/off or modulating service. The heavy-duty construction and compact design make this product ideal for skid manufacturers as well as offshore and process applications which require robust yet space saving valve actuation solutions. RH actuators are available in five body sizes to produce torque output up to 3,700 Nm (29,900 lbf.in) at operating pressures up to 250 bar (3,625 psi). They are available in either double-acting or spring-return configurations.

GP (pneumatic) and GH (hydraulic) range scotch yoke actuators are designed to provide a rotary, quarter-turn movement for either on/off or modulating duty. The rugged yet compact design is available with two different yoke designs. The classic symmetric yoke delivers peak torque at both ends of stroke. Alternatively, they can be supplied with canted torque arms designed to deliver peak torque at only one end of stroke. Use of canted arms can often reduce actuator size, weight and cost for valves with appropriate torque demand characteristics.

The GO range of pipeline actuators is designed to use pipeline gas as the motive power source. Gas is delivered to oil tanks that convert it into hydraulic pressure. This pressurised hydraulic oil is used to drive our industry recognised scotch yoke quarter-turn and rack and pinon double-acting actuators. GO actuators are suitable for use in some of the most demanding environments in the world. The design, engineering and materials used in the construction of GO actuators ensure optimum performance even in the harshest of environments. Control configurations are available to meet virtually any operational requirements and there is a comprehensive range of high pressure control logic options.

The HPG range of pipeline actuators are designed to use pipeline gas as the motive power source. They utilise our robust scotch yoke mechanism field proven the world over in all types of fluid power applications.

The Skilmatic range of actuators offer a unique and reliable solution for electric fail-safe and modulating control for both quarter-turn and linear valves and dampers. They combine the simplicity of electrical operation with the precision of hydraulic control and the reliability of mechanical spring return or accumulator fail-safe action. Available in both quarter-turn (65 to 600,000 Nm) and linear (1.5 to 3,850 kN) execution, the actuators are offered with a wide range of operating speeds, ESD inputs, partial stroke testing, analogue, Hart and fieldbus communication capabilities to comply with all control configurations.

The Skilmatic range of actuators offer a unique and reliable solution for electric fail-safe and modulating control for both quarter-turn and linear valves and dampers. They combine the simplicity of electrical operation with the precision of hydraulic control and the reliability of mechanical spring return or accumulator fail-safe action. Available in both quarter-turn (65 to 600,000 Nm) and linear (1.5 to 3,850 kN) execution, the actuators are offered with a wide range of operating speeds, ESD inputs, partial stroke testing, analogue, Hart and fieldbus communication capabilities to comply with all control configurations.

The subsea product range encompasses actuator and gearbox designs for retrievable and non-retrievable applications. Our engineering group works closely with contractor and end-user engineers to meet specific project requirements.

The CQ range provides an innovative fully-concentric and balanced actuator design for quarter-turn valves. The design features a helical mechanism that transforms linear piston motion into quarter-turn valve stem rotation. CQ actuators provide a much higher torque output for a given footprint than scotch yoke designs typically utilised to operate many quarter-turn valve types. It is therefore ideally suited for installation in confined spaces. Further, Rotork’s unique helical pin design provides higher efficiency than a helical gear mechanism utilised by other valve actuator manufacturers.

The 232 range of quarter-turn operators have a dye cast aluminium housing and are intended for applications in power waterworks and gas pipelines, HVAC, fire protection and most general industrial applications.

The 242 range has been designed to optimise robustness and durability, whilst minimising non-structural mass and reducing the overall gearbox envelope by using the latest lean engineering principles and analytical design tools. The 242 series is based on the design and quality of the FB series which was designed to meet strict specifications. The 242’s simple, rugged construction makes it the gearbox of choice for low torque manual applications. Suitable for ball, plug and butterfly valves.

The AB range of quarter-turn operators have a cast iron housing and are intended for applications in chemical, power, waterworks, HVAC and most general industrial applications.

The ABAW AWWA C504 & C517 worm gear operators are suitable for manual actuation of AWWA C504 butterfly valves and C517 plug valves. They are designed to meet or exceed all aspects of AWWA C504 & C517 specifications and are manufactured from high quality and reliable materials. Overload and life tests reports are available upon request. All Rotork Gears actuators are made to ISO 9001 standards.

The BR series gear operators are manufactured from high quality cast aluminium bronze and stainless steel materials.They are designed for extended life operation of valves in corrosive man hole and vault steam distribution environments where road salts, standing water and elevated temperatures are common.

The new IW Mk2 worm gear operators have been designed to suit isolating duty motorised applications. The gearboxes include low lead angle gearing designed to be inherently self-locking, and offer an increased torque output per size compared to the previous IW range IW Mk2 worm gear operators are quarter-turn devices intended for the operation of ball, plug and butterfly valves. 21 sizes. IW3 to 13 torque range up to 203,000 Nm (149,725 ft lbs). 4 sizes. IW14 to 17 torque range from 250,000 Nm to 850,000 Nm (184,391 ft lbs to 626,927 ft lbs).

Designed to suit manual applications, the HOW/MPR worm gear operators are quarter-turn devices intended for the operation of ball, plug and butterfly valves. The HOW/MPR gear operators include low lead angle gearing designed to be inherently self-locking. Torque range from 39,000 Nm (28,765 lbf.ft) to 264,000 Nm (194,716 lbf.ft). 9 sizes. Ratios from 1229:1 to 7171:1.

The IW range of quadrant Worm gear valve operators is available in manual and motorised configurations and features a removable sleeve to facilitate bore and keyway machining. This sleeve can be rotated in steps to facilitate mounting to the valve. IW size 3 to 13 torque range up to 264,000 Nm. IW size 14 to 17 torque range from 250,000 Nm to 850,000 Nm.

The IW range of quadrant Worm gear valve operators is available in manual and motorised configurations and features a removable sleeve to facilitate bore and keyway machining. This sleeve can be rotated in steps to facilitate mounting to the valve. IW size 3 to 13 torque range up to 264,000 Nm. IW size 14 to 17 torque range from 250,000 Nm to 850,000 Nm.

The IW AWWA worm gear operators are suitable for manual actuation of AWWA C504 butterfly and C517 plug valves. The range has been designed and comprehensively tested to meet or exceed all aspects of the AWWA C504 & C517 specifications, and are manufactured from high quality and reliable materials. The range includes a gear design for inherent self-locking capability.

Heavy duty quarter-turn modulating gearboxes suited for control valves. Torque range up to 47,000 Nm (34,500 lbf.ft). Ratios from 40:1 to 3000:1.

Multi-turn worm gearboxes used for applications such as sluice gates and dampers. Torque range up to 162,000 Nm (119,000 lbf.ft). Ratios from 40:1 to 5,760:1.

Complete range of manual declutchable sandwich override quarter-turn gearboxes for double acting pneumatic actuators. Torque range up to 17,000 Nm (13,000 lbf.ft). 9 sizes. Ratios from 35:1 to 468:1.

Complete range of sandwich manual override quarter-turn gearboxes for spring-return pneumatic actuators. Torque range up to 32,000 Nm (23,600 lbf.ft). Ratios from 34:1 to 729:1.

The WGS range of quarter-turn operators are designed for heavy-duty subsea applications at any depth with carefully chosen materials to offer the highest level of reliability required in this very harsh environment. The operators are equipped with membrane or piston type pressure compensators to balance the pressure and allow them to work at any depth.

The IB AWWA C560 and C561 series of multi-turn operators are suitable for manual actuation of AWWA C560 cast iron gate valves and C561 fabricated stainless steel gate valves. Designed with AWWA C560 and C561 specifications in mind, they are manufactured from high quality and reliable materials.

The IS multi-turn gearbox series are multi-turn (rotary) devices intended for the operation of gate, globe, sluice and penstock valves. These gearboxes are suitable for manual and motorised applications. Torque range up to 43,386 Nm (32,000 lbf.ft). Thrust range up to 2,900 kN (652,000 lbf).

The IS multi-turn gearbox series are multi-turn (rotary) devices intended for the operation of gate, globe, sluice and penstock valves. These gearboxes are suitable for manual and motorised applications. Torque range up to 43,386 Nm (32,000 lbf.ft). Thrust range up to 2,900 kN (652,000 lbf).

Rotork Gears Series IB/AS Combination operators are multi-turn devices intended for the operation of gate, globe, sluice and penstock valves. These gearboxes are suitable for manual and motorised applications.

Hand operated bevel gears suited for sluice gates, gate and globe valves.

The HOS/MPR gear operators are manufactured from high quality materials and life tested ensuring that maximum performance, quality and reliability are consistently maintained. Operating temperature normally ranges from -40 ºC to 120 ºC, although other temperature ranges are available on request.

The W100 gearbox has been designed primarily to be used on AB and manual duty IW series gearboxes to change the input shaft direction by 90° for underground applications. The W100 range has two versions: MW100 gearbox, DMW100 gearbox.

Complete range of multi-turn bevel gearboxes with two shafts for use with dual stem sluice gates and penstocks.

The Dual Speed Input Reducer is used to reduce the number of input turns required, and therefore the operating time, on manual gearbox applications. It can be used with any manual gearbox which can be fitted with an F14 or FA14 input flange.

The ABM Series are rugged, industrial grade products manufactured with cast iron housing components, featuring a polyurethane coating and high performance axial bearings.

The Rotork Gears Series ‘AB-SS’ quarter-turn gear operators are rugged, industrial grade products manufactured with stainless steel housing components. All models in this series feature special sealing of the position indicator and high performance axial bearings. These gear operators are well suited for applications in chemical, power, waterworks, HVAC and most general industrial applications.

Heavy-duty stainless steel 316 housing part-turn gearboxes suited for plug, ball and butterfly valves serving the water, gas, chemical and power industries in corrosive environments. Torque range up to 125,000 Nm (92,195 lbf.ft). 2 sizes. Ratios up to 3,795:1.

Quarter-turn cast iron gearbox suitable for use with fire protection (i.e. sprinkler) systems, includes limit switches to be incorporated into a supervisory electrical circuit. Designed and tested specifically to meet UL1091 specification and FM1112 approval.

Light duty cast aluminium quarter-turn gearboxes with integrated limit switches for remote position indication suited for fire protection. Torque range up to 500 Nm (366 lbf.ft). 2 sizes. Ratios 37:1 to 45:1. Integrated limit switches.

Cast iron quarter-turn gearboxes with integrated limit switches for remote position indication suited for fire protection. Torque range up to 1,620 Nm (1,196 lbf.ft). 4 sizes. Ratios from 34:1 to 40:1. Integrated limit switches.