jbj Techniques Limited has promoted these products / services:

jbj Techniques Limited - Shaft Locking Devices

SIT-LOCK® Keyless Locking Elements.

Combining the SIT-LOCK® design of smooth cone action with superior holding power, the hub can be clamped at any position along a shaft, eliminating the need for lock washers, spacers, stop rings, etc. Simply by tightening the screws, SIT-LOCK® keyless locking devices create an axial force on the shaft and the hub that is spread over... (read more)

jbj Techniques Limited - Hydrodynamic Fluid Couplings

FLUDEX® couplings are hydrodynamic fluid couplings which operate on the Fottinger principle. The coupling parts on the input and output sides are not mechanically connected to each other. Output is transmitted via the oil filling which rotates in the coupling and is conducted over radially arranged blades.
FLUDEX® couplings limit starting and maximum torque in the drive trai... (read more)

jbj Techniques Limited - Couplings for mobile hydraulic applications

This range of torsional couplings solve torsional vibration problems typical of those found in diesel engine applications. The torsional coupling dampens torsional vibrations and tunes the system to have critical speeds outside the operating range.
jbj Techniques Ltd can analyse the application and determine the exact torsional coupling needed for almost any application.

For... (read more)

jbj Techniques Limited - Gear pumps, efficient and reliable.

Hydraulic External Gear Pumps are the most popular pumps used in modern hydraulic systems.
These external gear pumps feature versatility, strength and long useful life.
Their simple construction ensures limited purchase costs and servicing. (read more)

jbj Techniques Limited - Hydraulic Gear Motors HIGH OVERALL EFFICIENCY

These hydraulic gear motors have high overall efficiencies, normally above 90%. The product range is available in a wide range of mounting flanges and port sizes, to meet European and international standards including SAE and DIN.
Teflon® coated shaft-bearing surfaces are available for long service life.
For power take-off flexible couplings are preferred for direct drive... (read more)

jbj Techniques Limited - Bellhousings ~ mechanical power transmission

A comprehensive range of bellhousings for use with Imperial or Nema standard electric motors, petrol, diesel and air motors. Manufactured in either aluminium, grey cast iron, SG Iron, stainless steel and a range of exotic materials to suit even the most aggressive of environments. (read more)

jbj Techniques Limited - Hydraulic adaptors

Allow close coupling of hydraulic pumps directly to the flywheel / flywheel housing of diesel engines, electric and hydraulic motors.

Designed primarily to allow the close coupling of hydraulic pumps to a variety of prime movers, such as diesel / petrol engines, electric, air or hydraulic motors, they can also be used in the connection from prime mover to alternative driven parts... (read more)

jbj Techniques Limited - N-Eupex torsionally flexible couplings

N-EUPEX and N-EUPEX DS pin couplings connect machines. They compensate for shaft misalignment, generating only low restorative forces. The torque is transmitted through elastomer elements, so the coupling has typically flexible rubber properties.

N-EUPEX couplings are overload-holding. By contrast, the N-EUPEX DS series is designed so that overload or advanced wear causes i... (read more)

jbj Techniques Limited - How to select the right type of pump drive.

How to select the right type of pump drive for your application. Whether you are running an industrial plant, or simply looking for the right power take-offs for your heavy machinery, heavy plant, mobile applications, or offshore marine machinery this guide is sure to help you select the right pump drive for your needs. WHERE TO START? . . . jbj Techniques Limited... (read more)

jbj Techniques Limited - PUMP DRIVES Multiple power take-off units

Characteristics of the multiple power take-off / splitter gearboxes
The multiple pump drive range of equipment allows a single or a multiple of pumps to be driven from a single prime mover.
Single pump drives allow a pump to be close coupled to a diesel engine that has a flywheel and flywheel housing in accordance with SAE standards (non standard can also be accommodat... (read more)

jbj Techniques Limited - Mechanical Power Transmission Couplings

What is your application?
Which power transmission coupling would best serve your purpose?
Which size and specification of coupling will safely and cost effectively fulfill your requirements? (read more)

jbj Techniques Limited - Hydraulic motor-pump sets

Providing a solution based upon your application requirements.

jbj Techniques can design and build motor-pump assemblies from the extensive stock of hydraulic gear motors and hydraulic gear pumps, creating custom adaptors to mount the gear pumps to the motor again from extensive stocks of bellhousings and couplings and use of our excellent machine shop facilities. Full design draw... (read more)

jbj Techniques Limited - Safety Wet Mount Bellhousing Assembly

Sizzling seals sorted by super special shaft soaking system - Wet Mount Bellhousing Assembly. Electric motor to hydraulic pump bellhousing assemblies capable of maintaining pump shaft seal temperatures at the exacting levels required within hazardous area environments. Designed for use within the most arduous of environments, jbj Techniques Limited now offer pum... (read more)

jbj Techniques Limited - Electric Motor Pump Adaptors (safe area)

jbj Techniques Limited offer the most comprehensive range of bellhousings in Europe. Designed to connect electric motors with frame size IEC D56 - D400 (0.06kW – 750kW) and can be compatible with electric motor 'B5' or 'B14' flange configurations. Accompanying the metric frame units above is a complete range of mountings to suit Nema and imperial frame motors with 'C' face or 'D' f... (read more)

jbj Techniques Limited - Electric Motor Pump Adaptors (hazardous area)

Designed to meet the exacting safety standards of the offshore and chemical process industries, jbj Techniques Ltd. produce adaptor kits certificated to Directive 2014/34/EU II2GD-IM2-TX -50 C< Service Temp < +105 C. Harmonised standards BS EN 1127:1, BS EN 13463:1, BS EN13463:5, BS EN 50303, BS EN 1834-1,BS EN 1834-3. Generally manufactured in Cast or Nodular iron, bellhousings c... (read more)

jbj Techniques Limited - Anti-static / flame proof couplings

'JXL' torsionally resilient couplings, of pin and bush design, comprise two fully machined steel flanges which are coupled via a series of drive pins and 'hytrel' flexible elements. The elements absorb shock loads and dampen vibration. The couplings do not produce static and do not sustain burning. Maximum shaft diameters up to 400mm with torques of 300,000 Nm and speeds up to 11,000... (read more)

jbj Techniques Limited - Low noise & high efficiency gear pumps

the low noise, low pulsation gear pump reduces noise level by an average of 15 dBA
Including group 2, 3, 4 and multiple pumps. (read more)

jbj Techniques Limited - Screw Pumps

These screw pumps are volumetric self-priming screw pumps suited to handle oils and liquids with a minimum lubricating quality. The design simplicity makes these screw pumps intrinsically reliable and efficient. (read more)

jbj Techniques Limited - Fluid Transfer Pumps low noise from helical gears

The low noise, high efficiency, low pulsation, fluid transfer helical gear pump reduces noise level by an average of 15 dBA.
Ideal for low-pressure, low viscosity lubrication applications such as fire-resistant fluids. (read more)

jbj Techniques Limited - High Torque, Hydraulic Piston Motors

Explosion protected fixed and adjustable displacement, low speed, high torque hydraulic motors conform with ATEX directive 94/9/EC, applied standards EN 1127-1, EN 13463-1, EN 13463-5. (read more)

jbj Techniques Limited - Gear pump versatility, strength, long useful life.

With displacements from 0.19 to 200.3 cc/rev and maximum continuous working pressures of up to 280 bar this range of gear pumps satisfies demands of a wide range of applications.

0.25 series micro gear pumps
displacement 0.19 to 0.64 cc/rev
maximum continuous pressure 190 bar
maximum intermittent pressure 210 bar
maximum peak pressure 230 bar... (read more)

jbj Techniques Limited - Drive Shafts & Yoke Drives

Transmit mechanical power using these drive shafts strong enough to bear the stress, while avoiding too much additional weight which would increase inertia of the system. Vibration damping and misalignment correction built in.

» Dampen vibration.
» Easy installed maintenance for extended life.
» Wide range of shaft configurations. Custom designs and l... (read more)

jbj Techniques Limited - Torque Limiting Couplings

Transmission protection from mechanical overload by using the range of Torque Limiting Couplings; Sliding Hubs and Safety Clutches available from jbj Techniques Limited.

» Torque limiting up to 23,000 Nm.
» Coupling prevents high shock loads.
» Standard brass bushes for extended durability.
» Torque adjustment possible even in assem...
(read more)

jbj Techniques Limited - Rupex torsionally flexible couplings

RUPEX® pin and bush couplings link machine shafts and compensate for shaft misalignment with weak restorative forces.
The torque is conducted through elastomer elements, so the coupling has typically flexible rubber properties.
Thanks to their robust design, RUPEX couplings are also suitable for harsh operating conditions.

RUPEX couplings... (read more)

jbj Techniques Limited - Elpex-B highly flexible coupling

ELPEX-B couplings are highly flexible and free of torsional backlash. Because of their low torsional stiffness and damping capacity, ELPEX-B couplings are especially suitable for coupling machines with a highly non uniform torque pattern. ELPEX-B couplings are also suitable for connecting machines with high shaft misalignment. The elastic tire can simply be slipped over the hub parts. Th... (read more)

jbj Techniques Limited - Elpex highly flexible couplings

ELPEX couplings are highly torsionally flexible and free of torsional backlash. Because of their low torsional stiffness and damping capacity, ELPEX couplings are especially suitable for coupling machines with a very non uniform torque pattern. ELPEX couplings are also suitable for connecting machines with high shaft misalignment.
Standard ELPEX coupling types are designed as... (read more)

jbj Techniques Limited - Elpex-S highly flexible coupling

ELPEX-S couplings are highly torsionally flexible and because of their low torsional stiffness and damping capacity are especially suitable for coupling machines with a highly non uniform torque pattern. Standard ELPEX-S coupling types are designed as flange-shaft-connections or shaft-shaft connections. Application-related types can be implemented on request.
Be... (read more)

jbj Techniques Limited - Zapex torsionally rigid couplings

ZAPEX gear couplings link machine shafts and compensate for shaft misalignment with weak restorative forces. High transmissible torque combined with compactness and light weight are characteristic of ZAPEX couplings. ZAPEX coupling types are constructed on a modular principle. This means that application specific solutions can be delivered quickly. ZAPEX couplings require very little mai... (read more)

jbj Techniques Limited - Arpex torsionally rigid couplings

ARPEX couplings of the ARW-4/-6 series are outstanding for their large angular misalignment capacity of 3°. They were specially designed for drives where high misalignments which have to be compensated for by the coupling are to be expected. The intermediate spacer lengths are variable and are manufactured to customer specifications.
... (read more)

jbj Techniques Limited - N-Arpex torsionally rigid couplings

N-ARPEX couplings of theARN-6/-8/-10 series are outstanding for their application-optimized construction.
The NEN, BEB, MCECM, MFEFM series meet the requirement of API 610. Couplings in accordance withAPI 671 are also possible. For speeds of over 1,800 rpm the five-part version with pre-assembled intermediate unit is used.
A special catching device a... (read more)


Spidex power transmission couplings are torsionally flexible shaft couplings, the operating characteristics of which are two hubs with concave claws, transmitting the torque by meshing with an elastic involute gear ring.
The spider coupling concept gives a reliable, smooth power transmission without torsional oscillation / vibration and so protects the connected machinery.
Du... (read more)

jbj Techniques Limited - Torsionally Rigid Gear Couplings

These steel gear hub / nylon drive sleeve gear couplings are designed to release neighbouring shaft bearings from non-controlled additional bearing loads.
Maximum shaft diameters of 100 mm can be accommodated with maximum torques up to 2,400 Nm and speeds up to 8,000 rpm.

  • Single or double engagement options suit a variety of applications.
  • Continuous sle....
(read more)
jbj Techniques Limited - Steel gear hubs/steel drive sleeve; gear couplings

ATEX certificated, torsionally rigid, power transmission, all steel gear couplings which transmit torque between two steel gear hubs and the internal toothing of a steel drive sleeve.

By incorporating the latest advances in Finite Element Analysis technology, therevolutionized Gear Coupling has increased nominal torque, larger maximumbore size and longer service life and st... (read more)

jbj Techniques Limited - ATEX compliant Disc Couplings

A wide variety of superior disc coupling products in models designed to meet the application needs of today’s worldwide power transmission market.
These disc packs are manufactured using high grade stainless steel (AISI-301), ensuring high strength, high endurance to fatigue, and resistance to most environmental conditions.
These disc couplings utilize unitised disc pa... (read more)

jbj Techniques Limited - Electromagnetic Clutches

Designed to function and survive in harsh environments, providing reliable performance in many long life applications. Electromagnetic mechanical power transmission. (read more)

jbj Techniques Limited - Electromagnetic Brakes

Designed to function and survive in harsh environments, providing reliable performance in many long life applications. Closely related to electromagnetic clutches in design.
A range of electromagnetic brakes with torque range from 0.05 to 3200 Nm / 0.4 in-lbs. to 2360 ft-lbs. Including multiple disc, mag-particle, hysteresis, spring applied and permanent magnet models. Electromagne... (read more)

jbj Techniques Limited - Bearing Supported Stub Shafts

This stub shaft design employs a single and double roll radial ball bearing designed for light and heavy-duty work, not to exceed side loads listed in tables 1 to 4 on page 3 of the brochure link. The bearings are self-contained in our specially designed housing that will keep the assembly free of contamination. These supported stub shafts come pre-mounted to your specific flywheel housi... (read more)

jbj Techniques Limited - Oil Bath, Multiple Plate Clutches

Free standing clutches of the multiple plate, oil bath type. These clutches are particularly suited to arduous applications and are capable of withstanding high radial loads.

PFI 60 & PFI 120 - multiple disc clutch in oil bath, hydraulically operated with 12 volt or 24 volt DC solenoid selector for remote control. Cylindrical input shaft; female splined shaft for hydrau... (read more)

jbj Techniques Limited - Power take-offs (PTOs) How to select.

Several factors must be considered in the selection process in addition to duty service, such as: SPEED LIMITS • SIDE-LOAD LIMITS • CLUTCH TORQUE LIMITS. (read more)

jbj Techniques Limited - Shell & Tube Heat Exchangers

Industrial process cooling equipment ~ A range of oil-water heat exchangers, often known as ‘shell and tube coolers’.

These products are the result of many years of experience combined with a wealth of knowledge from within the field of fluid and transmission engineering. (read more)

jbj Techniques Limited - Plate Heat Exchangers, gasketed or brazed

Satisfy a variety of industrial, offshore and mobile agricultural / heavy plant cooling requirements with a choice of solutions available from these oil-air coolers, off-line coolers, cooler bellhousings,oil-water coolers and plate heat exchangers.

Industrial process cooling equipment ~ Plate heat exchangers provided to meet designated application requirement... (read more)

jbj Techniques Limited - FAIL-SAFE ~ Oil / Water Heat Exchanger

By means of a double tube, this oil/water fail-safe heat exchanger prevents the danger of mixing the cooling medium and the medium to be cooled. The space between the two tubes is filled with a sealing liquid.
A pre-charged diaphragm accumulator compensates the thermal change in volume of the sealing liquid and keeps the sealing liquid pressure almost constant. Any leaks in the ban... (read more)

jbj Techniques Limited - AIR BLAST COOLING Oil-Air Heat Exchangers

Industrial process cooling equipment ~ A range of oil-air heat exchangers, often known as ‘air-blast coolers’.

ACN and DCN Series Oil-Air Coolers. With alternate current drives (3 x 400V) and direct current drives (12/24V).
Constructed on a modular basis and are suitable for both static and mobile hydraulic systems. From size ACN-10 IEC stand... (read more)

jbj Techniques Limited - Planetary Gearboxes output up to 1,000,000 Nm.

Complete selection of planetary gearboxes which include rotating shaft, rotating case, in-line and right angle output. Full range of multi-purpose planetary gears. Input can be via electric motor, hydraulic motor, air motor or bare input shaft, be it either a splined or parallel keyed input shaft.

jbj Techniques can accommodate gearbox inputs to suit your own bespoke... (read more)

jbj Techniques Limited - Industrial Clutches and Gearboxes

Mechanically and hydraulically actuated over-centre clutches are available in two mounting styles, speed increasing or decreasing gearboxes, oil bath clutches.

» 'BD' series clutches for close couple to diesel engines with SAE style flywheel facility.
» 'BDS' for independent, in-line arrangements, capable of accepting high radial loads and... (read more)

jbj Techniques Limited - Hydraulic power take-off units (PTOs)

Available in side-load straddle-bearing clutched models, in-line clutched and non-clutched models. For similar applications as the mechanical PTOs. Hydraulic clutches can be used wherever a disconnect is required between driven equipment and the prime mover.

Hydraulic wet clutches . . . .
To see the hydraulic PTOs use these 5 links:
1 »... (read more)

jbj Techniques Limited - Pipe flange seal replacement time reduced!

Pipe flange seal replacement downtime dramatically reduced!
Ability to remove the seal and replace it without fully disconnecting or moving the mating flange or runs of pipework.
jbj Techniques manufactures and markets an innovative range of pipe flanges for fluid systems, designed for:
» pressures up to 450 bar.
» flow rates u... (read more)

jbj Techniques Limited - Fluid Level Indicators

Visual level gauges up to 2 metres in length with or without electrical contacts, bulls eye level gauges and viewing windows offer a versatile solution to monitoring fluid quality and volume within a reservoir. (read more)

News articles and press releases for jbj Techniques Limited:

Drive line harmony 05/23/2016

Meticulously specified, expertly machined, mechanical power transmission components designed to work in harmony from the engineers that supply complete transmission systems to small individual components: quality products for mechanical and fluid power.


'AM' splitter gearboxes with various mounting formats, increasing and decreasing ratios. Maximum input torques to 5,600Nm accepted as standard, higher powers accommodated. All units supplied with either hydraulically or mechanically actuated clutch units.


The ability to hermetically seperate two areas whilst continuing to transmit mechanical power from one to the other makes these couplings ideal for applications where prevention of cross contamination is essential.


High quality torque limiting couplings, fully-machined components with a special rustproof surface coating. Completely enclosed to prevent dirt from contaminating the interior. Stepless adjustment of the required slip torque, even when already installed.


The car that aims to take the landspeed record and uses a V8 engine as its fuel pump requires a lot of R&D, thought and determination.


Transmit torque between two steel gear hubs and internal toothing of a steel drive sleeve. Increased nominal torque, larger maximum bore size and longer service life, utilizing the standard AGMA flange interface to ensure field interchangeability.


A new generation of motors, for which a significantly improved constancy of rotational speed is achieved compared to conventional motors.


From specification, through technical advice and manufacture to after-sales support, jbj Techniques provides a comprehensive and valued service to the power transmission and hydraulics industries.


» pressures up to 450 bar. » flow rates up to 20,000 l.p.m. » pipe sizes between 20 and 220 mm outside diameter.


Mechanically and hydraulically actuated overcentre clutches available in two mounting styles, speed increasing or decreasing gearboxes, oil bath clutches . . . .


Access engineering news, videos, conversation and sometimes a wry smile … and …


The use of magnetic couplings is recommended in applications where it is necessary to hermetically separate two zones in order to prevent fluid or gas leakage from one area to another.


Back page interest.


are the main characteristics of this range of vane pumps. Components subject to wear contained in a cartridge unit for easy removal for inspection/replacement without disconnecting the pump from the circuit drastically reducing expensive machine down time


Designed for permanent operation and rough operating conditions. Reliable in humid atmospheres and extreme climatic conditions. Particularly suited for operation in explosive environment. Hardened and ground rotors ensure a long service life.


ELIKA® Helical Gear Pumps; the new low noise, low pulsation gear pump reduces noise level by an average of 15 dBA. Including group 2, 3 and modular pumps.


This robust, meticulously engineered pump drives range of equipment allows a single or a multiple of pumps to be driven from a single prime mover.


Pneumatic starters independent of electrical energy systems, maintenance-free and explosion-safe. Guaranteed safe starting of diesel engines even under extreme conditions, such as applications in the tropics, the Arctic circle, in deserts or off-shore.


Visit jbj Techniques Limited at stand 3E145 Offshore Europe 2013, Aberdeen, UK, 3 - 6 September 2013


Torque Limiting Couplings Sliding Hubs and Safety Clutches, Series DA.


We recommend you try this tool designed to provide those on the front lines (distributors, end users, field reps) the ability to quickly size/reference Lovejoy’s most popular couplings. Developed for use in English, Spanish, German, and Chinese.


Coupling Element Size Comparison Chart (up to Spidex S/CJ125 & Dentex B80)


Page 20, profile is everything . . . patented Elika


jbj Techniques presents its largest standard cast aluminium reservoir yet, with a usable volume of 123 litres. The new reservoir is exceptionally lightweight and easy to handle, and in many applications has rendered the use of an oil cooler obsolete.