• HYDRAULIC TUG WINCHES CONSTANT TENSION SYSTEM …

    HYDRAULIC TUG WINCHES CONSTANT TENSION SYSTEM FOR AN OFFSHORE CRANE CSM0001A Tél.: +33 (0)1 39 09 19 19 - Fax: +33 (0)1 39 09 27 57 - Email : [email protected] GROUPE DLD - Parc d''Activités du Vert Galant - 5 avenue du Vert Galant 95310 Saint Ouen l''Aumône - …

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  • Filling the Hydraulic Blade Tensioner

    maintenance. First, lubricate the chrome rods of the tensioner system (see illustration below) with a heavy-duty teflon spray lubricant, such as Gunk ® L508 (part no. 004872), every 50 hours of operation. Secondly, the tensioner screw handle requires a NLGI No. 2-grade lithium grease as needed. The last component, the hydraulic blade tensioner,

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  • Hydraulic tensioning or torquing

    Whether hydraulic torquing or hydraulic tensioning is the best choice must be decided on a joint-by-joint basis. Hydraulic tensioning: A jack is attached to the bolt, and high-pressure hydraulics is used to stretch the bolt and lift the nut clear of the flange. The nut is …

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  • Hydraulic – Seldén Mast AB

    HYDRAULICS. Onboard Hydraulic systems are used for various purposes on a growing number of different type of boats. Seldén''s range of hydraulic driven functions provide the cruising sailor convenient and safe sail handling systems that are easy to operate for a small crew, as well as the performance sailor looking for a powerful way to tension the rig for optimized boat speed.

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  • HYTORC

    HY Series Hydraulic Pumps. The HY Series of tension pumps are our latest design for the tensioning market. This pump was designed with maintenance technicians in mind. With a smaller footprint, HY Series tension pumps are nearly 30 pounds lighter than most tension …

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  • constant tension on a winch drum

     · Recommended for you. RE: constant tension on a winch drum. kcj (Mechanical) 23 Feb 12 13:02. Pressure reducing/relieving valve supplying the motor. It reduces pressure to supply oil, or vents out back out (relieving) if the motor backdrives. A cross over relief would pass oil …

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  • Hydraulic Tensioning Systems & Tools

    Tensioning Systems. Topside Tensioner. Subsea Tensioner. Wind Tensioners. Specialty Tensioners. Electric and Air Tensioning Pumps. Hydraulic Nuts. Mechanical Jack Nuts.

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  • Hydraulic Decoking System

    Hydraulic Decoking System Scorpion FLS 600 Drill Stem Tensioner 820 mm (32.3 in) Increased Efficiency of Make-up and Break-out The Scorpion FLS 600 is a valuable asset to any decoking operation that utilizes threaded drill stems. Replacing the process of manual drill …

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  • Hydraulic system vertical roller mill operation

     · Hydraulic system vertical roller mill operation 1. The working principle of the hydraulic system vertical roller mill The hydraulic system ofvertical mill is an important system, the main function ofthe hydraulic system is to break the grinding roller, which is when the internal grinding cavity wear parts wear, can stop open on both sidesofthe grinding roller mill, to replace the inside parts ...

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  • Hoisting and Cable Tensioning with Cylinders

    An interesting point to notice on the three hoisting examples is that whether a large bore, short stroke cylinder is used as in Fig. 1, or a smaller bore, longer stroke model as in Figs. 2 and 3, the lift capacity, lifting speed, hydraulic system PSI and GPM is identical in each case provided the cylinder is matched to the application.

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  • Vertical Roller Mill | VRM | Detail overview | Working ...

     · Detail overview about Vertical Roller Mill working principle, Hydraulic system, Gear box oil lubrication system, etc.Mr. JK Singh (Whattapp: 8106351454) has ...

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  • Hydraulic front-end bucket loader for a personal lawn tractor

     · systems or create one, for other hydraulic applications. Two versatile applications would be a front-end scoop loader and a snow plow. There are smaller commercial machines that do these functions but, are very expensive for a normal home owner to acquire. The proposal is to fabricate a prototype hydraulic front-end loader system (perhaps even be

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  • BOLT TIGHTENING SOLUTIONS

    The special hydraulic nuts required for the forging press had 25" Buttress thread forms and each hydraulic nut weighed 4 tonnes with an 8000 tonne bolt load capacity. Hydraulic nuts are a permanent form of bolt tensioning where the hydraulic nut replaces the conventional hexagon or round nut. With application of hydraulic pressure to the ...

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  • Module 5: Hydraulic Systems Lecture 1 Introduction

    Module 5: Hydraulic Systems . Lecture 1 . Introduction . 1. Introduction The controlled movement of parts or a controlled application of force is a common requirement in the industries. These operations are performed mainly by using electrical machines or diesel, petrol and steam engines as a prime mover. These prime movers can

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  • HYTORC

    For critical applications requiring the highest level of bolt load control, the patented HYTORC Nut system provides industry-leading joint integrity. This three-piece fastener applies pure tension to the bolt to prevent thread damage and ensure bolt load accuracy.

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  • How a Hydraulic Tensioner Works

    A hydraulic tensioner system consists of a hydraulic actuator in combination with a tensioner pulley. The movement of the piston rod of the actuator is transmitted to the tensioner pulley via an integrated or separate lever (Figure 2). The hydraulic actuator works like a suspension strut, where a spring in combination with the damping feature ...

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  • Prestressed Tension Hydraulic System Identification Using ...

    of the automatic prestressed tension hydraulic system to guarantee the tension quality. Up to now, most au-tomatic hydraulic tension systems in research could be classified as two types: the valve-controlled one [1, 2] and the pump-controlled one [3]. For the aspect of the energy efficiency and requirement about the cleanli-

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  • Marine Hydraulic Systems And Linear Position Sensors

    Tensioner systems come in many designs but typically employ multiple hydraulic cylinders for stabilizers or the riser will buckle when the rig moves downward, and stretch when the rig rises. If you gather around the moon pool of any offshore rig or vessel during a storm you''ll see a riser/tensioner system hard at work.

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  • TENSION SYSTEM HYDRAULICS

    hydraulic gate lock; spiral starter roll kit and roll bearings kit; hydraulic pressure reduction kit (for high flow/high pressure tractors) tensioning valve; tension system hydraulics; tension system; belt staggering and arm rolls; lower gate roll, belt guides and scraper; idler and rear gate rolls (without surface wrap) drive rolls; drive rolls

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  • Hydraulic Bolt Tensioners | Enerpac

     · A broad range of hydraulic bolt tensioners designed for critical fastening applications. ... Precision Bolt Tensioning Systems with Biach Nuclear Tools. 6/10/2019. New Topside Hydraulic Bolt Tensioners. 4/19/2019. New Hydraulic Bolt Tensioners. 12/22/2017. New Electric Tensioning Pumps.

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  • Hydraulic Bolt Tensioners | English | Hydratight

    The industries Hydratight serve have highlighted the need to apply accurate bolt loading in a controlled and safe manner. Increasingly we see that this is achieved using hydraulic bolt tensioners.. Hydratight has been at the forefront of the development of bolt tensioning systems for 30 years, and we''ve been responsible for the extensive uptake of this technology across the world in the oil ...

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  • Hydraulic Tensioners for Stud and Bolt Tightening | HTIco

    HTI offers an extensive line of ISO 9001:2015 certified standard hydraulic tensioning systems for stud and bolt tightening. If our standard hydraulic tensioners do not fit your requirements, we can design a custom hydraulic tensioner for any industry and any application.

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  • Marine Riser and Tensioner System Hydraulics.

     · The use of hydro-pneumatics in a system comprising a hydraulic cylinder, accumulator and typically wire sheaves, enables compensation for rig movements and maintains constant wire tension. These accumulators are constructed using a gas (typically air or nitrogen) and hydraulic fluid to drive displacements up to 12 meters.

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  • SES'' Hydraulic Bolt Tensioning Tool

     · Driven by safety, quality and technical integrity, our hydraulic bolt tensioning tools are designed to assist our clients to increase productivity, reduces p...

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  • Hydraulic Load Cells

    Reliable High-Tonnage Hydraulic Load Cells. Buffalo Hydraulic offers a variety of accurate and reliable hydraulic load cells for use in measuring compressive forces, tension loads, and weighing applications. With compact dimensions, direct & remote mounted pressure gauges, and written certification options traceable to The Bureau of Weights & Measures, proving force and overall weight is very ...

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  • Plarad

    Pneumatic Nutrunner. Hydraulic Torque Wrenches. Tensioner. Electric Hydraulic Power Packs. Pneumatic Hydraulic Power Packs. Measurement & Testing. …

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  • Biach Self Contained Tensioner | English | Hydratight

    Complete hydraulic operation: latching of pull system, pressurisation and piston return. Does not require any air supply or create any air born contamination through air exhaust systems. Ram Actuators for piston return process eliminates potential of hydraulic leakage at tensioner top plate during piston return phase due to flange rotation ...

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  • SPX Bolting Systems HYDRAULIC WRENCHES Product …

    SPX Bolting Systems was formed when SPX Hydraulic Technologies, a division of SPX Corporation, acquired Torque Tension Systems LTD (TTS), of Ashington, UK. The new partnership combined the best high pressure (10,000 psi) hydraulic power pack manufacturer, Power Team, with one of the industry''s best torque and tensioning tool

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  • Hydraulic Tensioner | Tensioning & Bolting | Superior Rental

    Hydraulic Tensioner. The SRT Tensioning System has been designed to ensure simple but safe tensioning operations with the added benefit of speed and reliability. The tensioners are comprised of a hydraulic load cell with interchangeable adapter kits (bridge and puller) enabling the load cell to fit up to five different bolt diameters.

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  • VRM Design Optimization for Varying System Requirements

    various system level requirements, and a number of different VRM designs. The designs all meet the latest Intel VRM10.x electrical requirements and deliver approximately 80A to 150A at less than 1.3V. Each design targets different system requirements and was optimized to achieve different size, efficiency, capacitor, thermal, and cost goals.

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  • Tensioning Tooling – Riverhawk Company

    Hydraulic External Tensioner. A lightweight, compact and versatile bolt tensioner suited for applications where the bolted joint has a minimum of one stud diameter thread length exposed above the nut. Operates at a maximum pressure of 21,750 psi and utilizes high strength alloy steel components for long lasting performance.

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  • FORCE CONTROL OF A HYDRAULIC SERVO SYSTEM A Thesis ...

    1.1 Force Feedback Control Systems Hydraulic control valves (such as a servo-valve) are used within hydraulic control systems to accurately regulate the output of the entire system. The valve provides the interface between the hydraulic power unit and the output device, in this case a linear actuator.

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  • US5653652A

    A chain tensioner system having a dual arm blade and a hydraulic tensioner. A hydraulic tensioner applies force against the free ends of the dual arms. Each arm is supported in two places, i.e., at the pivot point and against the tensioner piston. A face material that has a high P/V rating is added to the surface of the arm. The arms are simple flat plastic shoes with a hole at one end for the ...

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  • Hydraulic Accumulator Design for Riser Tensioning Systems

    The use of hydro-pneumatics in a system comprising a hydraulic cylinder, accumulator and typically wire sheaves, enables compensation for rig movements and maintains constant wire tension. These accumulators are constructed using a gas (typically air or nitrogen) and hydraulic fluid to drive displacements up to 12 meters.

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