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Diaphragm Coupling

 

EVER-POWER GROUP CO., LTD.

 

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Our Story

Welcome To EP

EVER-POWER GROUP CO., LTD. IS SPECIALIST IN MAKING ALL KINDS OF MECHANICAL TRANSMISSION AND HYDRAULIC TRANSMISSION LIKE: PLANETARY GEARBOXES, WORM REDUCERS, IN-LINE HELICAL GEAR SPEED REDUCERS, PARALLEL SHAFT HELICAL GEAR REDUCERS, HELICAL BEVEL REDUCERS, HELICAL WORM GEAR REDUCERS, AGRICULTURAL GEARBOXES, TRACTOR GEARBOXES, AUTO GEARBOXES, PTO DRIVE SHAFTS, SPECIAL REDUCER & RELATED GEAR COMPONENTS AND OTHER RELATED PRODUCTS, SPROCKETS, HYDRAULIC SYSTEM, VACCUM PUMPS, FLUID COUPLING, GEAR RACKS, CHAINS, TIMING PULLEYS, UDL SPEED VARIATORS, V PULLEYS, HYDRAULIC CYLINDER, GEAR PUMPS, SCREW AIR COMPRESSORS, SHAFT COLLARS LOW BACKLASH WORM REDUCERS AND SO ON. FURTHERMORE, WE CAN PRODUCE CUSTOMIZED VARIATORS, GEARED MOTORS, ELECTRIC MOTORS AND OTHER HYDRAULIC PRODUCTS ACCORDING TO CUSTOMERS’ DRAWINGS.

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Our Hot Products

WE HAVE EXPORTED OUR PRODUCTS TO CLIENTS AROUND THE WORLD AND EARNED A GOOD REPUTATION BECAUSE OF OUR SUPERIOR PRODUCT QUALITY AND AFTER-SALES SERVICE. WE WARMLY WELCOME CUSTOMERS BOTH AT HOME AND ABROAD TO CONTACT US TO NEGOTIATE BUSINESS, EXCHANGE INFORMATION AND COOPERATE WITH US.

Diaphragm couplings

Highest torques are safely and reliable transmitted at the highest speed via a contoured single diaphragm. Power ranges of up to 150 MW can be easily accommodated to match our high-speed gear units. The unique contoured diaphragm and its flexibility allow the compensation of axial, radial and angular misalignments.

Our diaphragm couplings are maintenance-free and stand out for their extremely long service life along with maximum availability. Plus, the basic version consists of just a few components, which simplifies assembly and handling significantly for the user.

High Performance Disc +
Diaphragm Couplings

Typical Applications

Gas & Steam Turbines
Compressors
Generators
Pumps
Marine/Offshore Platform
Pipelines

High Performance Diaphragm Couplings

Diaphragm Couplings allow the transmission of torque. They can handle misalignment, based on the thickness distribution (or profile) of the diaphragm. Unlike competing designs, we use a single stainless steel diaphragm. This eliminates the need for extra bolts, rivets, splines and filler rings.

It also greatly simplifies the task of shaping the perfect diaphragm, since we need only one diaphragm per end. We use a modified profile based on extensive FEA. The thickness of the diaphragm varies so stress is distributed evenly when the diaphragm flexes. This happens under the simultaneous effects of torque, speed, axial misalignment and angular misalignment.

High Performance Diaphragm Couplings

Features & Benefits:

All couplings are custom designed to meet the specific requirement of the application and OEM – Engineered drive solutions.
Meets API 671.
Drop in replacement of Lucas®: (Bendix) diaphragm coupling – click above for details.
Marine and Reduced Moment Designs.
Field replaceable, stockable diaphragm – not available from anyone else.
Specially contoured one piece design – easy to install, cost competitive and easy to customize.
Patented one piece design – handles more misalignment and greater range of torsional stiffness.
Torque capacity over 50 million In-Lb. (5650 kN-m).
Shaft diameter over 19 inches (480 mm).
Other features: piloted fits, 15-5 pH stainless steel and other material available, shot peened, inherently low windage.
Options: Electrically insulated, shear section, back up or fail safe gears, various materials, and many more.

EP 1005 Diaphragm couplings

Features & Benefits:

Maintenance-free
High temperature-resistance
Maximum radial rigidity
Low restoring forces and bending moments
Lightweight
Very high torque and speed transmission
Long service life with maximum reliability
Very high balance quality
Few individual components for simple assembly

Disc 1 Diaphragm Couplings

Unique diaphragm design permits high-torque density and low weight. Designed for years of dependable, low maintenance performance.

Multiple, separated, convoluted diaphragms allow greatest design flexibility for most demanding applications
API-671 compliant
Best for high axial travel requirements

Disc 2 Diaphragm Couplings

Optimized disc profile for even stress distribution. Proprietary disc coating to prevent fretting and corrosion. Designed for years of dependable, low-maintenance performance.
Industry leader in power density
API-671 compliant
Best for reduced moment applications

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Hours of Operation

MON – SAT
9:00am – 6:00pm

Drop Us a Line

Don’t be shy. Let us know if you have any questions!