Mechanical Couplings

Fluid & Gas Flow Equipment, Mechanical Power Transmission, Mechanical Components & Assemblies

Brass Shaft Collars and Couplings resist corrosion and galling.

November 5, 2015

Machined from C360 brass or optional C464 Naval brass, Stafford Brass Shaft Collars come in 1- and 2-piece styles with stainless steel fasteners as well as set-screw and hinged styles. These products, offering alternative to 304 and 316 stainless steel products, are designed for secure hold and come in 6 standard sizes from ½–1 ½ in. ID for commercial, industrial, and military applications. Modifications – keyways, square and hex bores, grooves, and other treatments – are available. Read More

Mechanical Power Transmission

Rigid Couplings are specified for shaft joining, alignment.

October 12, 2015

Used to join or align 2 shafts within motor or mechanical system, ReliaMark rigid couplings are manufactured in SAE 1008 mild steel and come in 60+ sizes with ¼–1 ½ in. bore. Products include solid set-screw, one-piece (single-split), and 2-piece (double-split) couplings. All feature black oxide finish and socket head cap screws. Effective on hard and soft shafts, couplings offer bore tolerances of +.001/.003. Read More

Mechanical Power Transmission, Fluid & Gas Flow Equipment

Quick Disconnect Couplings are specified for dual fluid lines.

October 5, 2015

Designed for use with dual fluid lines, DPC Series offers intuitive, simultaneous connections and disconnections with one thumb latch. These ¼ in. flow couplings, offered in acetal thermoplastic, are available in valved and non-valved hose barb configurations and keyed to ensure correct directional flow. Other features of this quick disconnect coupling series include integral terminations and valve and latching mechanism.
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Mechanical Power Transmission

Disc Couplings suit high torque applications.

September 18, 2015

Offering lubrication-free service, SKF Disc Couplings have capacity range up to 178 kNm and come in variety of configurations, including single disc, double disc, and spacer for both horizontal and vertical mounting. Units consist of 2 hubs and laminated stainless steel disc pack secured by series of fitted bolts retained by nylon insert lock nuts. Single disc couplings accommodate angular offset, while double disc pack units with spacer will allow for angular, parallel, or combined offset. Read More

Mechanical Power Transmission

Rigid Shaft Couplings suit heavy-duty mixers and machinery.

June 5, 2015

Available in 1-, 2-, and 3-piece styles with straight-through bores or stepped bores for joining different size shafts, Stafford Heavy Duty Rigid Couplings are constructed to carry heavy torque loads in large equipment and process systems. Available with or without keyways, couplings come in ¾–6 in. ID sizes and are made from steel and stainless steel. Products can also be manufactured from other alloys and modified to customer specification. Read More

Fluid & Gas Flow Equipment, Mechanical Power Transmission

EMT to FMC Transition Couplings help contractors conserve time.

May 26, 2015

Available in ½–2 in. in die cast zinc and 2 ½–4 in. in zinc plated steel, Mighty-Merge® EMT to FMC/Greenfield transition couplings provide dimensional flexibility when transitioning between raceways. Design negates need for contractors to assemble multiple fittings or mount box to transition between raceways. While EMT to FMC fittings (½–2 in.) are cULus Listed, EMT/Rigid to FMC fittings (2 ½–4 in.) are cETLus Listed. Read More

Fluid & Gas Flow Equipment, Mechanical Power Transmission, Material Handling & Storage

Elastic Claw Couplings extend service life of drive systems.

April 29, 2015

Available in 10 sizes made of nodular cast iron, Flender N-Bipex Couplings feature optimized cam and elastomer geometry. Elastomers are available in 3 different shore hardnesses, and allow couplings to be used across temperature range of -50 to +100°C without compromising nominal torque. Adjacent cam ring made of high-grade polyurethane has facility for sufficient load dependent deformation, while remaining in designated position under all conditions, resulting in minimized wear. Read More

Mechanical Power Transmission

Jaw Type Shaft Coupling supports high-speed operations.

April 8, 2015

Designed for use in main spindle shaft on CNC machining centers, ALS-SGN features taper-lock hubs; design ensures concentricity and rotational balance during operation up to 22,000 rpm. High-torque elastomer center element absorbs resonance and mitigates conductive heat while providing over 22,000 Nm/rad torsional stiffness, and aerodynamic profile decreases noise while optimizing performance at high speeds. Max transmittable torque is 597 lb-ft, and ambient operating range is -40 to +248°F. Read More

Fluid & Gas Flow Equipment, Mechanical Power Transmission

Insulation Couplings target metric-sized pipes.

March 10, 2015

Available for metric-sized polypropylene pipe systems, including Aquatherm Blue Pipe® and Green Pipe®, Klo-Shure Insulation Couplings create vapor barrier at clamping points on insulated tube/pipe runs. Units allow for sections of insulation to be secured without having to remove clamp assembly while also maintaining integrity of insulation. USA-made couplings are UL 25/50 flame- and smoke-rated. Read More

Mechanical Power Transmission

Flange Couplings have no wear parts.

February 18, 2015

Suited for heavy-duty applications, RfN 5571 Series is equipped with shrink discs and can be integrated into machines without any heating or cooling. High torque units are slip fit and come with either hexagon-head or hexagon socket-head cap screws. With backlash-free shaft-hub connections and elimination of additional components such as keyways or shims, couplings are suitable for mining applications, general gearbox designs, and plant manufacturing. Read More

Mechanical Power Transmission, Mechanical Components & Assemblies

Weldable Shaft Collars, Couplings promote design options.

February 9, 2015

Available in ANSI 1018 steel and weldable stainless steel, Stafford Weldable Shaft Collars and Couplings let users add such diverse mechanical and structural components as brackets, cams, lever arms, mounts, pins, and rods. Stafford Weldable Shaft Collars and Flange Mounts, available in 1- and 2-piece as well as hinged styles, come in ¼–6 in. bore sizes, while Weldable Shaft Couplings come in ¼–2 in. bore sizes. Read More

Fluid & Gas Flow Equipment, Mechanical Power Transmission

Drive Coupling features quick connect design.

January 7, 2015

Designed for quickly connecting and disconnecting rotary unions from fluid transfer lines without tools, TorqueSafe™ is rated for up to 20 lb-ft of torque with operating pressures to 150 psig and temperatures up to 375°F. Coupling features full-flow passage, one-hand disengagement, and locking mechanism to ensure safe connections are made. With connection sizes ranging from 3/8 to 1 ½ in., coupling is constructed of stainless steel for corrosion resistance. Read More

Mechanical Power Transmission

Bushed Coupling reduces damage via misalignment capabilities.

September 10, 2014

Baldor-Dodge® Para-Flex® QD (PXQD) coupling features QD flange design that complements Taper-Lock and bored-to-size style flanges. Sizes PX50 through PX200 offer torque ratings up to 82,500 lb-in., and bore capacity of PXQD flanges let end-users downsize coupling selections. QD bushing design allows installation and removal with minimal shaft damage. When used with Para-Flex element, complete Para-Flex couplings provide misalignment capabilities to prevent damage to connected equipment. Read More

Mechanical Power Transmission, Materials & Material Processing

Shaft Coupling eliminates resonance problems in ball screws.

July 2, 2014

Step-Flex™ Coupling eliminates resonance in stepper motor ball screw assemblies. Two-part elastomer element combination dampens vibration caused by actuator carrier trying to find its home position. Hard element being separated from aluminum alloy hubs by softer elastomer maintains sufficient torsional stiffness for precise positional accuracy while allowing minimal angular and parallel misalignment. Power-transmitting element also reduces counter force generated by misalignment.
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Fluid & Gas Flow Equipment, Mechanical Power Transmission

High-Pressure Hose Couplings feature non-skive design.

May 27, 2014

Combined with high-pressure braided hose, 6W Couplings eliminate leaks and in-field failures caused by shock and vibration, making them suited for hydraulic systems in oil, construction, mining, and off-road equipment industries. One-piece, bite-the-wire crimp couplings are available in 1 ¼, 1 ½, and 2 in. sizes and are designed to work with SAE R13 and 4SH hydraulic hose. Units withstand pressures up to 6,000 psi and operate in temperatures ranging from -40 to 250°F. Read More

Mechanical Power Transmission

Composite Disc Couplings arrest electrical current.

May 23, 2014

Designed with composite flex elements that are non-conductive, Zero-Max CD® Couplings provide electrical insulation while protecting mechanical components from system overloads. Composite discs withstand all types of environmental elements, including temperature extremes from -40 to +70°C, as well as moisture and chemicals. Available in single and double flex models with clamp style hubs, zero backlash couplings offer torque capacities from 40–1,436 Nm with speed ratings from 4,400–17,000 rpm. Read More

Fluid & Gas Flow Equipment, Mechanical Power Transmission

Sub-Sea Connectors offer redundant sealing.

May 1, 2014

Sub-Sea Coupling Solutions comprise coupling/fitting connections and configurations engineered to address challenges posed by sub-sea environment. Secure, repeatable connections and redundant sealing promote sustained performance. Depending on selection, standard sizes of fittings/coupling range from ¼–1 in. ID. Also available, 520N hydraulic hose features compact OD for facilitated routing and accelerated response. Read More

Mechanical Power Transmission

Hirth-Tooth Couplings provide form-locking precision.

March 11, 2014

Providing self-centering, radial face tooth connection, Hirth Serrations enable users to connect shafts, discs, wheels, and cranks with accuracy. Lightweight units enable wear-free transmission of high torques at small dimensions. Dynamic forces are retained even after repeated assembly. Available in sizes from 50–900 mm in diameter, rings have less rotating mass compared to flange connections. Custom-made models are available with max serration diameter of 1,500 mm. Read More

Test & Measuring Instruments, Material Handling & Storage, Fluid & Gas Flow Equipment, Mechanical Power Transmission

Sanitary Clamping Coupling helps protect fragile products.

January 14, 2014

Quick Clamp No-Ledge delivers machined tolerance joint, ensuring proper alignment and creating ledge-free interior environment on connection points. This reduces instances where friction and crevices catch product and cause fines. Designed for food and light industry conveying of fragile materials or materials requiring sanitary conditions, coupling offers recessed O-ring gasket that delivers smooth transition through positive sealing metal-to-metal joint.
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Mechanical Power Transmission, Mounting & Attaching Products

Drip-Free Coupling suits liquid cooling applications.

December 6, 2013

Intended for cooling applications requiring multiple connect and disconnect cycles, LQ6 Series features non-spill shutoff valves that allow disconnection from cooling line, even under pressure, without any spills/drips. Valve design provides redundant sealing when connected for added protection against leaks, while color-coding of chrome with blue or red provides instant visual difference between cooling lines. Construction is of chrome-plated brass, polysulfone, and stainless steel. Read More