Hydraulics & Pneumatics articles from May 2005

Hydraulics & Pneumatics archives from May 2005

It can be easy being green.(Editor's Page)
May 1, 2005... As engineers, I think we're taught early on to pay attention to--and value--energy. We learn in physics to be wary of perpetual motion machines, that you don't get anything for nothing. In statics, free body diagrams teach us that every force...

Parker Hannifin donates largest gift to Cleveland State University.(Industry News)
May 1, 2005... Parker Hannifin Corp. has made a $4 million philanthropic gift commitment to Cleveland State University (CSU). It is the largest corporate endowment the University has ever received, as well as the largest gift made by the Parker Hannifin...

Dynisco LLC acquires Viatran Corp.(Industry News)
May 1, 2005... Dynisco LLC, Franklin, Mass., has acquired Viatran Corp. from Invensys plc. The acquisition was effective March 31. This is the second acquisition by Viatran, which also acquired Alpha Technologies, as it continues to broaden its product...

Superior Tube Corp. appoints president.(Industry News)
May 1, 2005... Collegeville, Penn.-based Superior Tube Corp., a manufacturer of small diameter specialty tubing, announces the succession of Scott Myers to the office of president. He joined the company in 2004 as vice president of sales and led a successful...

Aggressive Hydraulics expands operation.(Industry News)
May 1, 2005... Hydraulic cylinder manufacturer Aggressive Hydraulics Inc., Blaine, Minn., has begun construction on a new 15,000 square foot, telescopic cylinder facility. This is its second manufacturing location in the area. The facility has current...

Business, community leader, dies.(Industry News)
May 1, 2005... Maurice Horwitz, former president of Marmon/Keystone Corp., Butler, Penn., died March 26 at his winter home in Arizona. He was 96. His father founded Keystone Pipe and Supply, which was later renamed Marmon/Keystone. Horwitz served as president...

Hydraulics training seminars.(Industry News)
May 1, 2005... National Technology Transfer Inc., a nationwide general industrial technical training provider, will host the following fluid power seminars in coming months. What does a single hour of unscheduled downtime cost you? Learn hydraulics and...

CONEXPO-CON/AGG and IFPE 2005 wrap-up.(Industry News)
May 1, 2005... This year's CONEXPO-CON/AGG and the co-located IFPE trade expos in Las Vegas were a record-breaking success, with more than 1.88 million net sq-ft of exhibit space taken by 1.986 exhibitors and 111,670 net sq-ft utilized by 440 exhibitors for...

Servovalve positions 30-ton railroad car for track repair.(25 years ago ...)
May 1, 2005... From the May 1980 issue of Hydraulics & Pneumatics. A new type of single-stage electrohydraulic control valve for industrial use minimizes the problems of conventional single-stage valves. The improved valve spool is a circular hollow...

New fluid pumps up efficiency.(Ideas & Applications)
May 1, 2005... Maximum Efficiency Hydraulic Fluid, or MEHF, is a new hydraulic fluid from RohMax, Horsham, Pa., that produces significant improvements in hydraulic pump efficiency. All over the world, power density in mobile hydraulic equipment has...

Made for recycling.(Ideas & Applications)
May 1, 2005... Recycling is a growing industry in many European countries. According to Felix Martin, managing director of Reciclajes Felma S.A., "Spain has the ambitious goal of eventually recycling 80% of all waste." Reciclajes Felma, established in 1983,...

Hydraulic cylinder tubing gets tougher.(Ideas & Applications)
May 1, 2005... Manufacturers of hydraulic cylinders made of conventional steels cannot guarantee against brittle fracture--and the inherent danger of personal injury and material damage--when the material is used at temperatures as low as -20[degrees]C...

Injection molder goes green with hydraulic fluid.(Ideas & Applications)
May 1, 2005... Nunc A/S, Kamstrup, Denmark, is one of the world's largest manufacturers of injection molded, disposable plastic products for use in connection with cell cultivation, molecular biology, and immunology. Its global customers include hospitals,...

Electrohydraulic pressure control.(Motion Control)
May 1, 2005... A simplified schematic of a pressure control system is shown in Figure 1. The load, L, is a pressure-containing envelope that holds some volume of compressible fluid, and may or may not have a through-flow path. The existence of a through-flow...

Hydraulics fight noise pollution: refuse trucks often are heard before they are seen, but running hydraulics at engine idle speeds makes trash days a lot quieter.(MOBILE HYDRAULICS)
May 1, 2005... For about the last year and a half, National Waste Services, Chicago, has seen successful results from testing a new hydraulic pump system on several of its commercial rear loader refuse trucks. Quieter operation and higher efficiency are the...

The big 4 speak out on environmentally friendly systems: how are hydraulics' largest manufacturers working toward making tomorrow's systems more environmentally friendly?(ENVIRONMENTAL APPLICATIONS)
May 1, 2005... For many years, the terms hydraulics and environmental were somewhat mutually exclusive. However, today's manufacturers have strived to make hydraulics cleaner, more efficient, and in tune with environmental sensibilities. We heard from...

Greener pastures ahead for environmental fluids: experiences from Germany's Market Introduction Program show that environmentally friendly fluids are making headway.(HYDRAULIC FLUIDS)
May 1, 2005... The market share for environmentally friendly fluids in mobile hydraulic applications is growing fast. Thanks to an innovative new marketing program sponsored by the German government, more than 10,000 changeovers have been performed in the...

Cylinders for profit-making designs: when hydraulic or pneumatic systems must produce linear motion, cylinders become their most important component by converting fluid pressure and flow to force and velocity, respectively.(COMPONENT BASICS)
May 1, 2005... The linear motion and high force produced by cylinders are big reasons why designers specify hydraulic and pneumatic systems in the first place. One of the most basic of fluid power components, cylinders have evolved into an almost endless...

USE vacuum with discretion: system design parameters can have a profound effect on productivity.(AUTOMATE WITH AIR)
May 1, 2005... Designing or implementing a vacuum system for an important and often costly expenditure can cause many decision makers to encounter mixed messages, making the right choice unclear. In order to ensure a profitable investment, engineers should...

Push-in fittings catalog.(PNEUMATIC PRODUCTS)(Buyers Guide)
May 1, 2005... Catalog features 28 pages for PN line of automatic push-in fittings with NPT threads and inch tube diameters. All PN fittings are brass nickel-plated. Includes general information on the line as well as an index featuring graphics, with each...

Pneumatic components.(PNEUMATIC PRODUCTS)(Buyers Guide)
May 1, 2005... Brochure features product photos and specifications for air preparation units (sizes 1/4, 3/8, and 1/2 in.), air cylinders, pneumatic/solenoid valves, one touch fittings, and accessories and air line filters, including silencers, quick...

Repairable cylinders.(PNEUMATIC PRODUCTS)(Buyers Guide)
May 1, 2005... Brochure for the Model MH cylinder series offers detailed specifications, mounting styles, and features. Includes cut-out image with part descriptions. Series available in 1 1/2 through 24 in. bore sizes and is rated for pressure to 250 psi....

Pneumatic cushion alternative.(PNEUMATIC PRODUCTS)(Buyers Guide)
May 1, 2005... NuCushions are made with durable elastomer to adapt to pneumatic cylinder pistons. No adjustment required. Eliminates need for bleed needle assembly, cushion spud, and spud seal. Reduced reaction forces compared to pneumatic cushions. More than...

MPA valve terminals.(PNEUMATIC PRODUCTS)(Buyers Guide)
May 1, 2005... Catalog features 52 pages of valve terminal control system configurations. Multi-pin and Fieldbus connections available, including latest in valve terminal diagnostics. Sizes include MPA1 and MPA2, with a flow rate to 700 lpm. Inch and metric...

Push-to-connect fittings.(Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... IN-Fittings are leak-free push-to-connect fittings with a gripping mechanism that utilizes different components to hold tubing in place and create a pneumatic seal. Stainless steel retaining ring grabs onto the tubing with teeth to ensure a...

Brass fittings with O-ring.(Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Fittings with captivated O-ring seal for leak-free performance have been added to company's extensive line of fittings. Intended for use with 1/8-in. tubing, the brass fittings have a factory-installed Buna-N O-ring to seal their 10-32 thread,...

Single barb fittings.(Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Pneu-Edge fittings feature consistently sharp, single-barb design which provides a tighter grip and seal than standard multiple barbs. Straight connectors, tees, elbows, crosses, and couplings available from 1/16 to 1/2 ID tube with threads of...

ORFS Fittings.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Trap-Seals offer improved seal reliability by stopping O-ring from popping out of its face seal (ORFS) groove. Trapezoidal design provides consistently positive groove retention and creates a larger overlap between the groove lip and seal for...

Two-ferrule tube fittings.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Providing consistent leak-tight connections, two-ferrule mechanical grip allows front ferrule to seal while back grips. Offered in many materials and sizes, from 1/16 to 2 in. Consistent geometry over torque for gaugeable make-up allows for use...

Double-seal system.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Uniport 10K stops leaks with a double seal (metal-to-metal and O-ring). Completed the most severe testing program by SAE for a fluid connector/port system. Swivel nut eliminates adapters when connecting to components and yields small component...

Threadless connectors.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Snap-to-Connect high pressure connectors eliminate leakage, improve accessibility and installation ergonomics, and reduce installation time and production bottlenecks. For systems with working pressures to 6000 psi in sizes 3/16 to 1 in. Latch...

Instrumentation tube fittings.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Double ferrule fittings are leak-proof and torque-free seals. Reduce hazardous and expensive leaks in instrumentation, pneumatic, hydraulic, and other tubing systems. Nut, back and front ferrule, and body become five-piece connection with...

Clamping connections.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Hose and tubing clamps assure leak-free sealing and fastening for all clamping and pressure ranges, hard or soft materials, hoses, cables, or ropes. Permanent, tight connection only released if required. Made from tube or band, stepless,...

Expansion CV plugs.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Expansion CV plugs seal holes in manifolds and castings. Single-piece assemblies range from 3 to 22 mm. Feature stainless steel, carbon steel, aluminum, brass, and other materials. Burst pressures to 40,000 psi. No threading or reaming...

Tube fittings.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Sealastic Fittings provide tight, leak-resistant connection on plastic and metal tubing, including copper, aluminum, Monel, thin-walled and stainless steel. For low and medium pressures to 1300 psi, with sizes from 1/4 to 1 in. OD. Flexible,...

Flared coupling systems.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... BV-10 system for threaded and flanged connections features high tolerance for reverse bending stress, sudden pressure increases, peak pressures, vibration, and temperature fluctuations. A 10[degrees] flared angle reduces stress and 24[degrees]...

Cutting rings.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... DiNova cutting ring is used for hydraulic DIN 2352/ISO 8434-1 fittings for no leaking, clean equipment, and safe working conditions. Ranges from 6 to 42 mm OD, series L and S. Enables easy assembly of hydraulic pipe circuits. Metal/metal...

O-ring seal tube fittings.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Fitting creates a leak-free seal when the tube is inserted into the body of the fitting. Seals tighter under pressure, reverses its seal under vacuum, and continues to seal at zero pressure as it is capable of returning to its original shape....

Reducing flanges and couplings.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Flanges and couplings reduce the number of leak points and eliminate "Christmas tree" look. Reduce cost by eliminating fittings and lessening assembly time. Available with leak-free SAE, O-ring boss, BSPP, and ISO 6149 threads. In sizes from...

37[degrees] flared fitting.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Cconnection uses stainless steel stamping designed with multiple, concentric rings. Tested for more than 1 million square wave cycles. Tube OD sizes from 1/4 to 2 in. impregnated with baked-on Loctite coating. Sealing rings prevent...

Tube fittings.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Duolok tube fitting provides a reliable, leak-proof connection in instrumentation and process tubing systems. Consists of precision-machined body, front ferrule, back ferrule, and nut. Sizes from 1/16 to 2 in. Available in 316 stainless steel,...

Pressure switches.(Useful Products)(Buyers Guide)
May 1, 2005... Herion 33D series provides reliable switching with long life up to 100 million cycles. Electromechanical and electronic variants available. Pneumatic version provides 0.5 to 232 psi and hydraulic version offers 0 to 9000 psi. Back-lit real time...

Choke valve snubbers.(Useful Products)(Buyers Guide)
May 1, 2005... Adjustable choke valve snubber protects pressure gages from pressure perturbation, surges, and fluid hammering. Prevents needle pointers from jumping. Available in brass or stainless steel with 1/4, 3/8, and 1/2 NPT connections in sizes 0.51 X...

Solenoid valve connectors.(Useful Products)(Buyers Guide)
May 1, 2005... Industry standard 5F and 5J solenoid valve connector is virtually indestructible at an affordable price. Completely molded design provides superior environmental integrity over field wire sensors. Includes captive screw and molded gasket....

High pressure valves.(Useful Products)(Buyers Guide)
May 1, 2005... Family of high pressure valves includes 70-100 air sequence valves for operating pumps or other air-operated functions with range from 25 to 100 psi and 1/2 in. ports. CV series inline check valves available in sizes 1/4 to 1 in. NPT and...

Diaphragm vacuum regulators.(Useful Products)(Buyers Guide)
May 1, 2005... Ultra-miniature single-stage diaphragm vacuum regulator is designed to control output vacuum from 0 psig to low vacuum regulation such as -1/2 psig. Lightweight design eliminates need for panel mounting. Constructed of brass and steel, with a...

Explosion-proof valves.(Useful Products)(Buyers Guide)
May 1, 2005... Line of explosion-proof, potted coils employ electroless nickel plating to achieve corrosion resistance to NEMA 4X. Available on entire line, from series 50 miniature valves to series 20 two- and three-way valves. Pressures from 0 to 3000 psi,...

Piston-sensing pressure switch.(Useful Products)(Buyers Guide)
May 1, 2005... Model series 2PSH combines a durable piston-sensing element with reliable, time-tested switch mechanism, for performance in demanding high pressure and shock applications. Ranges from 200 to 10,000 psi. Comes with NEMA 4X, 12 and 13 housing,...

Self-lubricating seals.(Useful Products)(Buyers Guide)
May 1, 2005... PolyGlyde self-lubricating seals offer substantially improved performance over carbon materials. Feature friction coefficient of 0.03, and run cool in minimally lubricated applications. Reliable and clean-running, they offer lower porosity,...

Digital gages.(Useful Products)(Buyers Guide)
May 1, 2005... Series DPG-000 digital gages contain a 0.5% full-scale accuracy sensor. The battery powered gage comes with a 4-digit LCD display and a 4-button keypad. Pressures range from vacuum to 5000 psig. Comes in an industrial NEMA 4X (IP66) housing....

Pressure transducers.(Useful Products)(Buyers Guide)
May 1, 2005... OEM pressure sensors are ideal for tight space restrictions, high-accuracy, trouble-free operation, and long life. Offering superior performance in 0.875 in. diameter, sensor uses thick, one-piece diaphragm for hermetic seal against the media....

Pressure sensors.(Useful Products)(Buyers Guide)
May 1, 2005... Series ICP pressure sensors are certified for safe use in hazardous conditions by ATEX and CSA. They measure dynamic pressure events such as surges, pulsations, and spikes. Available in various mounting configurations, with NPT, English, and...

Hydraulic motors, accessories.(Free Literature)(Buyers Guide)
May 1, 2005... Eight-page brochure provides specifications for motor styles and hydraulic drive systems, including Viking motors (radial-piston type with rotating housing), Marathon motors and Compact motors CB and CA (radial-piston type with stationary...

Sealing solutions.(Free Literature)(Buyers Guide)
May 1, 2005... Offering a brief overview of the company and its products, 12-page brochure provides company background, including its focus on technology and customer service, as well as breakdown of global locations. Colorful photos depict variety of...

Pneumatic power transmission.(Free Literature)(Buyers Guide)
May 1, 2005... Key features and specifications of motion control products provided. Company profile and industries served are detailed. Each page is dedicated to a particular product, including linear motion products, friction clutches, tooth clutches, air-...

Flow measurement.(Free Literature)(Buyers Guide)
May 1, 2005... Pamphlet describes benefits of basic in-line, pneumatic flow rate, high temperature, phosphate ester, visi-rate, and Flowstat Turbine Flow monitors, as well as alarms and transmitters, test analyzers, and totalizers. Features include 24 port...

Hydraulic pumps, components.(Free Literature)(Buyers Guide)
May 1, 2005... Brochure lists specifications, sizes, and styles of gear products, including gear pumps, motors, and components. Also describes family of 6 and 8 bolt power take-off products. Piston products and vane products also featured, with information...

Mobile cylinders.(Free Literature)(Buyers Guide)
May 1, 2005... Catalog provides 110 pages of replacement refuse cylinders. Pages 12 to 88 cover specific hydraulic vehicles and related components, featuring engineering and company numbers as well as bore and rod sizes and stroke lengths. Provides general...

Protective caps, plugs.(Free Literature)(Buyers Guide)
May 1, 2005... New catalog showcases complete line of protective caps, plugs, and closures in plastic or dip molded vinyl. New features include silicone, tubing inserts, tapes, dots, netting, grab tabs, and an expanded section on high heat masking products....

Switch solutions.(Free Literature)(Buyers Guide)
May 1, 2005... Full line, 112-page catalog uses easy-to-use organizational structure and includes newest products. Switch Selector Guide features basic switches, custom assemblies, commercial and military grips, hall effect technology, transducers, and limit,...

Hydraulic gear pumps.(Free Literature)(Buyers Guide)
May 1, 2005... Full catalog provides detailed charts and cutaway drawings of hydraulic gear pumps, offering a general description as well as ordering information. Charts list type of pump, displacement, flow, pressure, maximum speed, and dimensions. Gear...

Keeping the lid on hydraulic fluids.(MRO)
May 1, 2005... As in all things industrial and chemical, safety is of the utmost importance. The following will serve as a reminder for handling hydraulic fluids appropriately and safely. It is crucial to know the dangers hydraulic fluids pose, and how...

Timken launches industrial seal offering.(MRO NEWS & PRODUCTS)(Buyers Guide)
May 1, 2005... The Timken Company, Canton, Ohio, has launched a line of industrial seals. Timken entered into a licensing and supply agreement with Federal-Mogul Corp. to sell its industrial seal products in the U.S and Canada. Terms were not disclosed. ...

EASA Annual Convention & Expo.(MRO NEWS & PRODUCTS)(Buyers Guide)
May 1, 2005... The Electrical Apparatus Service Association's (EASA) Annual Convention and Exposition, Reaching New Heights, runs June 25-29 at the Gaylord Opryland Resort and Convention Center, Nashville. The program will address current industry and...

Drum pumps.(MRO NEWS & PRODUCTS)(Buyers Guide)
May 1, 2005... Air-operated double diaphragm drum pumps are 1/2 in. bolted plastic and come complete with bung adapter and suction tube. Accommodates 0 to 17 gpm with pressures from 20 to 120 psi. Manifold positioning on the pump provides easy, immediate...

Metric size oil seals.(MRO NEWS & PRODUCTS)(Buyers Guide)
May 1, 2005... Metric size oil seals have a steel core with an outer diameter in either nitrile-butadiene-rubber or fluorocarbon-rubber (Viton). Type A version has sealing lip with garter spring and AS version has additional dust lip. Wide variety of sizes...

Hose cut-off machines.(MRO NEWS & PRODUCTS)(Buyers Guide)
May 1, 2005... Hydraulic hose cut-off machines come in four sizes for cutting single- and double-wire braid and 4- and 6-spiral wire-reinforced hose from 3/16 to 2 in. diameter. Feature precision-ground and hardened M2 steel blades, industrial-duty,...

Pump coupling guards.(MRO NEWS & PRODUCTS)(Buyers Guide)
May 1, 2005... Orange peel-type PCG pump coupling guards for ANS and ISO pump connections offer safety compliance, simplified installation, and reduced maintenance. Trimmed to length and attached to foundation with four fasteners. Pump side end cap encloses...

Clean-up fluid sprays.(MRO NEWS & PRODUCTS)(Buyers Guide)
May 1, 2005... ADP-7 surface washing agent cleans up fuel or oil leaks and hydraulic fluid sprays. Spilled hydrocarbon is emulsified, reducing odor and flammability. Water wet solution can easily be flushed off a hard surface onto soil where ADP-y acts like a...

Patently strange.(Web Wire)
May 1, 2005... Reader Abdullah S. Eyles of Turkey suggests taking a quick look at www.crazypatents.com, an amusing look at some of the more oddball patents filed over the years. We liked the ones for the automobile sun shield and the "combination toy dog and...

I've been converted!(Web Wire)
May 1, 2005... Eyles also offered the site online.unitconverterpro.com, a useful tool for popular conversions. There are a staggering amount of conversions included, such as pressure, force, temperature, viscosity, and energy. Now, if we can figure out how to...

Have a ball.(Web Wire)
May 1, 2005... As if we didn't need yet another reason to visit scenic New Zealand, now there's Zorb. Located online at www.zorb.com, this new adventure sport involves rolling down a hill while encased in a large air-filled ball. The site even notes that for...

Large fittings.(New Products/Spotlight on Leak-free Fittings)(Buyers Guide)
May 1, 2005... Family of Big Bore SAE fittings reduces leaks. Includes O-ring unions, suction lines, 150 psi street elbows, schedule 80 adapters and couplings, and 3000 psi couplings, half-couplings, SAE-to-flange adapters, and 300 psi adapters and nipples....