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Hydraulic Clutches
Oil operated, multidisc type NKHU Torque range 1250 - 60,000 Nm.
Self-contained in a free standing housing with mechanical oil pressure pump, cooler and filter.
The clutches are arranged for remote electrical operation via an electro-hydraulic valve with advanced control systems, engineered to give the correct format and rate of engagement for the application.
Standard range of clutches with integrated pumps are available.
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The GME-series centrifugal clutch couplings are used to give a load free start and smooth acceleration.
Ideal for combustion engine drives because:
- Ideal free load at engine start-up.
- Serves as automatic throttle controlled clutch.
- Eliminates shock loads.
- Prevents engine stall under sudden overload.
- Prevents engine reverse swing when coming to rest.
- Limits vibratory torques to safe level.
- Combines advantages of an efficient flexible coupling.
- 100% efficiency saves fuel.
- Long trouble-free life with no routine maintenance.
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Air, hydraulic, or spring set actuated and water cooled design, featuring copper wear plates optimized for heavy-duty continuous slip tension applications.
AquaMaKKs™ consist of a series of alternating friction discs and water jackets. Torque is transmitted by applying axial force from the pneumatic, hydraulic, or spring set actuator. Copper wear plates are used for excellent heat dissipation.
AquaMaKKs provides accurate torque control for constant tensioning and are perfectly suited for applications in oil and gas, metal processing and forming, forestry, and marine deck machinery.
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The Wichita Kopper Kool airtube disc
Clutches and Brakes are liquid cooled
and consist of a series of alternating
discs connecting an inner drive member
to an outer drive member. Engagement
is achieved by pneumatic expansion of
the airtube. This air-operated clutch
contains copper discs for excellent heat
dissipation and provides an accurately
controlled continuous slip action.
Braking torque is in direct proportion to
the air pressure applied. The high level of heat dissipation makes Kopper Kool Brakes ideal for dynamometer applications and high speed web tension control duties when used with a suitable closed loop control system such as the Wichita Altra range of controllers.
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The DC and DCV constricting drum clutches and brakes are found all throughout industry in general power transmission duties.
Constructed using an integral rim and tube actuator, the DC has low inertia and high misalignment capacity, offering a simple solution to less arduous clutch and brake requirements.
A full range of options is available: Dual flanges for back to back mounting giving double torque capacity. Multiple air inlets for increased response speed. Split construction to avoid removal of the shafts on in-line drives. And wether you require just the friction shoe or mounting pins, or a complete actuator and rim assembly, all are backed by the Wichita name for service and reliability
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Global Marine Engineering Hydraulic Power Take Off
The GME series of hydraulic PTO's features an extremely powerful, robust package capable of handling a very wide range of engine driven and general industrial applications.
The PTO's incorporate a Hydraulically actuated clutch of a multi-plate type, with sintered outer plates and steel 'SINUS' inner plates. Pressure is applied to the plates via a piston which incorporates piston rings instead of seals, to accommodate high heat loading. Plate wear is automatically compensated for increased movement of the piston.
The sintered facing allows for high thermal capacity, surface speed, and wear together with a coefficient of friction that increases uniformly to give a smooth start. Cooling oil is also passed between the plates to increase the thermal capacity of the clutch and reduce heat generated during idling conditions. Since the clutch plates are continuously running in oil, plate contamination is avoided.
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A combination of skilled craftsmanship and high technology ensure that Global Marine Engineering BV PTO's are continually refined to guarantee durability and easy operation. Our product has a high built-in safety factor, which allows generous load factors, minimizing service costs
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Design Features
- In-Line power applications.
- Smooth controlled engagement.
- Unaffected by centrifugal force.
All Wichita Marine Clutch units are
custom built to satisfy marine
classification society requirements.
The Wichita Standard Ventilated Clutch
is usually used in combination with
recognised flexible couplings to provide
reliable in-line power
transmission. The simple air-tube
design, with minimum air volume and
high engagement and disengagement
speeds, is unaffected by centrifugal
force and has no self-energisation like
drum clutch designs.
Ideally suited for high inertia loads such
as main propulsion drives where
smooth controlled starts are needed.
The Wichita Standard Ventilated Clutch
combines all the best features of the
disc type clutch design with all the
advantages of direct air engagement. It
is the simplest and most trouble-free
method of controlling drive yet
designed.
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Design Features
- Failsafe Protection.
- Long wear life.
- Quick, smooth stopping.
Wichita Spring-Set Air Release Motor Brakes are ideal for failsafe protection of process equipment. Available in foot mounted and C-face options, this improved design has thicker friction discs for longer wear life. The fast acting Spring-Set actuation assures quick, smooth stops.
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These gearbox designs allow a choice of shaft configurations to optimize the mechanical transmission from main engine to propulsion unit where you can allow input shaft in either lower or upper gear house parting.
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Two speed gears can be offered for flexible use and with integrated clutches.
Type FVCC with vertical shaft offset.
Type 2FGCC with horizontal shaft offset.
Specially designed for vessels with two operationale mode - stand by and full forward
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Quality:
The quality of our right angle gear-sets meets AGMA 12 accuracy class. Gears are case hardened and hard cut. (HRC 61-63).
Gears:
Shape of gears: spiral bevel gear, cyclo-palloïd machined.
Service factor:
The gear units for pump applications are always selected so that the service factor is ³ 1.5.
Efficiency:
The efficiency of our right angle drive gear unit is ³ 97%.
Reducer:
Right angle gear unit to be powered by combustion engine, through a highly flexible coupling or by an electric motor.
Available gear ratios 1:1 up to 6:1
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Description:
- Robust design also withstands continuous duty in workboat applications
- Fully works tested, reliable and simple to install.
- Design, manufacture and quality control standards comply with ISO 9001.
- Non-reversing reduction marine transmission with hydraulically actuated multi-disc clutches.
- Easy onboard maintenance .
- Compatible with all types of engines and propulsion systems.
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Scana Volda Gearboxes have great arrangement flexibility
- Vertical or horisontal offset
- Co-axial offset
- Twin-in single-out versions
- 1 or 2 speed PTO/PTI solutions
- Multiple PTO solutions of 1-8 units
- Integrated hydraulic clutching configurations
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Description:
- Design, manufacture and quality control standards comply with ISO 9001 and AQAP.
- Marine transmission with reduction drive gearing and hydraulically actuated mulit-disc clutch for engagement.
- Low weight design for heavy duty fast ferry applications. Also suitable for other weight sensitive craft, e.g. high speed motor yachts.
- Compatible with all types of engines and water jet propulsion.
- Output shaft rotating in the opposite direction to that of the input shaft.
- Easy installation and fully works tested for guaranteed reliability.
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The core function of a reduction gearbox is to reduce the main engine speed to the optimum propeller speed. Wärtsilä gears have been designed to meet the highest standards of operational efficiency and reliability with low noise and vibration.
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Multi role clutch with excellent performance across a wide rope range
Perfect for racing yachts upt to 27' and cruising yachts up to 35'
Features and Benefits
- Effortless release
- Line friendly
- Larger diameter version available for 6-12mm lines
- Side mountable, installs on it's side with fairing kit XAS-SMNT
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Lewmar has redefined rope clutch technology with a variable geometry handle and unique grip pattern of dominos that prevents rope fray. This revolutionary new system has been independently tested time and again and has won awards for its innovative framework.
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Maximum Performance and Minimum Friction in Rutgersons new rope clutches.
The modern, compact design of Rutgersons new rope clutches ensures a neat mounting in line with modern deck layouts. But above all, the new streamlined design dramatically reduces the risk of problems with tangled ropes.The RC 750HP and 1000 have no sharp corners or obstructions to catch the rope.
The RC-clutches also makes the rope running through easier handle. This is because it is the only rope-clutch on the market fitted with an integrated low friction sheave which ensures that the rope runs smoothly - both when winching and when trimming by hand. Naturally, the clutch allows continued trimming of the rope even when it is locked.
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Three models for 8-10 mm., 10-12 mm. and 12-14 mm. lines; available in single, double, triple and quadruple.
V-CAM814 has a box-structure in UV-resistant resin with s.steel reinforcements, aluminium base, V-Cam and aligning bushing in Aisi 316.
It can be completely dismantled for simple maintenance and repairing.
Line retrieval can be achieved with the lever closed.
This model is fitted with a large “V” shaped cam that offers higher holding strength than model V-Grip and a new mechanism that guarantees easy opening even under heavy load.
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The Clutch is all about clean, smooth riding on the water. We've kicked up the 3-stage rocker a bit giving the Clutch a mellower cut to the wake but with more boost - while the completely smooth flat spot in the middle of the board provides maximum pop for your effort. Dual molded - in fins allow progressive rippers to take out the center fin and still be in control. Shape by Cobe Mikacich and Chris Johnson
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... see all the products in the category
Wakeboards
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