Hydraulics & Pneumatics articles from February 2008

Hydraulics & Pneumatics archives from February 2008

Portable, computerized tool produces precision swages: a new hand-held tool swages fittings onto fluid power conductors with ease.
February 1, 2008... Finger tight... a familiar phrase to installers who swage fittings onto fluid power conductors. The phrase seems very descriptive, but becomes rather murky if you try to quantify it. An exact definition probably isn't important for most...

Blowing away electrical motors: air motors harness the safe, reliable power of compressed air to generate torque and rotational motion.(AUTOMATE WITH AIR)
February 1, 2008... Air motors are used to produce continuous rotary power from a compressed air system. They boast many advantages over electric motors: * because they do not require electrical power, air motors can be used in volatile atmospheres * they...

Digital controls conquer new frontiers: digital controls did not infiltrate electrohydraulic drives as readily as it had electromechanical drives. But the continued onslaught of digital control into hydraulics may lead to hydraulics recapturing applications once lost to electromechanical drives.(INDUSTRIAL HYDRAULICS)
February 1, 2008... Digital electromechanical drives have found widespread use for multi-axis motion control in virtually all industrial automation fields. This is due in large part to their ready-to-use configuration, easy interfacing with other electronic...

Cabin dampers: boost productivity and safety.(AUTOMATE WITH AIR)
February 1, 2008... Whether it's a truck negotiating the rough terrain of a construction site or a tractor traveling over deep ruts in a field, reaction forces and movement transmitted to an operator can feel more like punishment than a part of the job. Left...

Valve aids axle deployment.(AUTOMATE WITH AIR)
February 1, 2008... [ILLUSTRATION OMITTED] For years, truck manufacturers, lift axle builders, and installers have been searching for a fast, reliable, less complicated, and affordable way to control the up and down movement of lift axles. "Many of...

Pneumatic valves keep on truckin': pneumatic sensing valves increased service life and transmission responses for a Mexican truck manufacturer.(AUTOMATE WITH AIR)
February 1, 2008... A repeated glitch in the field performance of its 18-speed electropneumatic transmission systems was causing quality control and product warranty issues for Transmissiones TSP (Transmissions TSP), Queretaro, Mexico. Electrical switches used to...

LDT cuts waste and downtime in lumber processing.(Ideas & Applications)
February 1, 2008... Dimensional lumber is a commodity product, so it must be produced rapidly with tight dimensional tolerances. Gregory Wood Products, Newton, N.C., a leading manufacturer of dimensional lumber, has been able to walk this tightrope by...

Corrosion protection for hydraulic pressure lines.(Ideas & Applications)
February 1, 2008... High-pressure line tubing often is used in corrosive environments that eventually weaken the tube. Without any protection, its full functionality cannot be guaranteed. Seamless cold-drawn steel tubes widely used as pressure lines in hydraulic...

Strategic design gives loader an edge: exploiting the strengths of hydraulics produces multiple performance benefits.(Ideas & Applications)
February 1, 2008... When Komatsu engineers designed their new WA320-6 wheel loader, they specified hydraulics only where it would be most beneficial. Not surprisingly, then, hydraulics is used for propulsion, braking, steering, lifting, and all other implement...

Drive produces variable flow and pressure from a fixed-displacement pump.(Ideas & Applications)
February 1, 2008... Introduced in the early 1990's, flux vector drives could change the design of many industrial hydraulic power units by replacing the conventional variable-speed pump driven by a fixed-speed with a variable-speed motor driving a...

Cleanout cover.(IFPE: Product Showcase)
February 1, 2008... Hydraulic tank access system eliminates welding, machining, or any other fabricated parts to seal hydraulic and fuel tanks. System is fast, simple, rugged, and offers easy tank access in the field for cleaning and inspection. Problem tanks can...

Hydraulic accumulators/struts.(IFPE: Product Showcase)
February 1, 2008... [ILLUSTRATION OMITTED] Hydraulic accumulators improve performance and reduce cost and maintenance. Composite accumulators weigh less than their steel counterparts, making lighter Class 8 vehicles for improved fuel economy or the ability to...

Solenoid-operated valves.(IFPE: Product Showcase)
February 1, 2008... SVCL and SPCL valves provide integral piloting or load-signaling for directional control and load-holding. They are rated for system pressures to 3625 psi, holding pressures to 5000 psi, and flow rates to 15 gpm. SVCL10-30 low leakage, on/off...

Pressure gauge.(IFPE: Product Showcase)
February 1, 2008... [ILLUSTRATION OMITTED] Forged brass case gauge is made from a one-piece construction and is offered in 2.5- and 4-in. dials with bottom and back NPT connections. Liquid-filled design makes it suitable where heavy vibration and pulsation...

Expandable plastic plug.(IFPE: Product Showcase)
February 1, 2008... [ILLUSTRATION OMITTED] External threaded plastic plug expands and provides positive sealing in a threaded port. It also offers easy installation and quick removal for temporary sealing to prevent leaking or contamination. It prevents...

Non-skive couplings.(IFPE: Product Showcase)
February 1, 2008... Full line of one-piece, non-skive couplings fits hydraulic hoses. H series bite-the-wire spiral design is fully tested and validated on R13 six-spiral applications in -20, -24 and -32 sizes. J series suits R12 and 4SH four-spiral hose; K series...

Hydraulic hose couplings.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... Full-Torque Nut couplings eliminate nut cracking during installation of high-pressure, wire-braid hydraulic hose assemblies and come on MegaCrimp couplings for wire-braid hoses and GlobalSpiral couplings for spiral-wire hoses. They are stronger...

Traction-control braking.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... [ILLUSTRATION OMITTED] Full-power brake system with ABS and traction control enhances stability while decreasing stopping distances and improving acceleration under low traction conditions. Up to eight wheels can be controlled...

Hydraulic fittings.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... Line of metric bite type hydraulic fittings is available in more than 260 sizes and styles including tee couplings, cross couplings, male stud branch, welding boss, straight male stud, female stud, tube plug, tube cap, bite ring, gauge...

Flow meters.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... G-series precision gear flow meters operate at maximum flow rates of 45 and 105 1pm, respectively, with 0.3% reading accuracy across a 100:1 flow range. They are calibrated with 30 CP fluid, but are compatible with fluid viscosities from under...

Pressure switch.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... [ILLUSTRATION OMITTED] EDS810 miniature pressure switch features switch and switch-back points that are factory set as normally open or normally closed. Output load capacity of 400 mA enables connection to control units and small...

Composite friction lining.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... [ILLUSTRATION OMITTED] Lining for brake, clutch, and transmission plates is made of 100% Kevlar fiber/polyimide composite and lasts three to five times longer than other linings. It suits wet and dry construction friction applications such...

Gear pumps.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... Dynamic PTO gear pumps are designed for PTO drive operations on farm tractors. They are easy to install with no gearbox required and are rated for pressures to 2500 psi and speeds to 540 rpm and maximum of 595 rpm. They offer displacements from...

Hydrostatic pumps.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... H1 45/53-cc and 78-cc closed-circuit variable-displacement axial piston pumps are compact and feature high power density. Integral electrohydraulic servo piston assembly controls rate and direction of hydraulic flow. They can be used with other...

In-line filter.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... [ILLUSTRATION OMITTED] Push-Lock in-line filter assembly protects pneumatic components, and offers easy installation, filter element monitoring, and replaceable elements. Clear polycarbonate housings are available in two sizes. Filter...

Scalable mobile controller.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... Scalable mobile controller controls and monitors machine functions and offers load moment indication. Scalable approach allows it to be used in any application from monitoring standard control functions to complicated custom controls. Graphic...

Hydraulic manual.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... "Hydraulics in Industrial and Mobile Applications" manual offers an overview of the hydraulics field by illustrating a large selection of components and systems and providing useful in-depth information on the wide range of industrial and...

Manifold assemblies.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... [ILLUSTRATION OMITTED] MEC high-flow manifold assemblies provide hydrostatic loop flushing and cross-over relief, as well as traction control and six-way circuit selectors. They incorporate standardized components and modular designs for...

Hybrid hydraulic transmission.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... [ILLUSTRATION OMITTED] Hydraulic serial hybrid drive train cuts fuel consumption and C[O.sub.2] emissions in half without compromising weight, size, traction, or top speed. Complete mechanical drive train is replaced by a full hydrostatic...

Hose, tube, and fittings.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... [ILLUSTRATION OMITTED] Range of hose, tube, and fittings is available. Metric DIN 2353 compression fittings B3 and B4 available from 6 to 42 mm. SAE J514 JIC 37[degrees] flared available in sizes from -2 to -32 (1/8 -2 in.). BSP adaptors,...

Variable-axial piston pump.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... Series 32 variable-axial piston pump A10VO for upper medium-duty range offers efficiency, low noise generation, and improved controllers. It comes in nominal sizes 71 to 140 and maximum pressure of 4000/5000 psi. It permits higher rotational...

Pressure transducers.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... Gemco series 3100 and 3200 pressure transducers feature all stainless-steel design and are less than 1 in. in diameter. They offer pressure sensing ranges to 30,000 psi and output signal for temperature and pressure, providing full scale...

Shuttle valves.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... [ILLUSTRATION OMITTED] Cartridge-style IMH shuttle valves solve hydraulic isolation problems in manifolds. They feature a compact, non-detented, selective design and measure just 8-mm in diameter and 16-mm long and offer flows to 6 gpm....

Disposable desiccant breathers.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... SVDB series of disposable desiccant breathers for mobile and in-plant applications provide a low maintenance solution for moisture control. Two sizes--SVDB-093 and SVDB-096--use non-toxic Z-R gel. They absorb water for a dry reservoir and offer...

Axial piston pumps.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... [ILLUSTRATION OMITTED] Char-Lynn series 350 servo-controlled, axial piston pumps offer displacements of 41, 49, and 62 cc/rev. Single and dual pump configurations suit medium-duty hydrostatic circuits. Rated at 280 bar for continuous...

Hall-effect joystick.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... PRO-4H single-axis, Hall-effect joystick offers the same durable mechanics as the PRO-4, enhanced with the improved life cycle of a non-contacting Hall effect proportional output device. It features heavy-duty mechanical construction, high...

Hydraulic sensor.(IFPE: PRODUCT SHOWCASE)
February 1, 2008... MH sensor works with CAN J1939 and CANopen, measuring displacement and speed variables. It has a 100 g shock and 25 g vibration rating. Features include sensor head with rugged housing and built-in electronics, pressure-proof sensor pipe that...

2008 IFPE: ready to roll.(FPE PREVIEW)
February 1, 2008... It occurs only once every three years, so don't miss your chance to be a part of the biggest fluid power event in 2008--The IFPE 2008, International Exposition for Power Transmission, held March 11-15, 2008 at the Las Vegas Convention Center....

Innovations & solutions center schedule.(IFPE Preview)(Calendar)
February 1, 2008... These free seminars will be held in the South Hall, Level 2, from Tuesday, March 11 though Saturday, March 15th. Tuesday 1:00-2:00pm Mobile Hydraulic Systems: System Maintenance and Cost Reduction Strategies/Tom Wanke, MSOE Learn...

Tubing and hose.(Free: Literature)
February 1, 2008... The Top 12 Tubing and Hose Buying Errors... and Their Solutions brochure features tubing and hose products and lists details to consider when choosing tubing or hose, including temperatures, pressure, or vacuum requirements, and fittings and...

Fluid power components.(Free: Literature)
February 1, 2008... New 2008 metric and inch catalogs can be ordered online and feature thousands of new pages, with more than 6000 new products and more than 3000 products with size or material additions, including hydraulic and pneumatic manifolds and terminal...

Adapters, fittings.(Free: Literature)
February 1, 2008... [ILLUSTRATION OMITTED] Quick Reference Guide provides thumbnail line drawings and series names and numbers of complete product line, including several lines of adapters (O-ring, swivel pipe, 37[degrees] JIC, pipe, 30[degrees] seat, BSPP,...

Flowmeters, switches.(Free: Literature)
February 1, 2008... Catalog contains specifications and photographs of the complete line of differential pressure instruments, flowmeters, and liquid level switches in a handy condensed format. It describes piston sensors; fixed-orifice flow flowmeters,...

Pipe, hose clamping.(Free: Literature)
February 1, 2008... [ILLUSTRATION OMITTED] Quick Reference Guide describes clamps that hold and support various size pipes, tubes, and hoses. Information identifies standard DIN 3015 Global Products and Cushion Clamps. It details thermal plastic elastomer and...

Air regulators, transducers.(Free: Literature)
February 1, 2008... Short Form catalog includes new products and industry approvals to line of precision air pressure regulators, transducers, and relays. It provides a quick way to locate up-to-date product information, specifications, and industry standards....

Motion Industries opens Texas branch.(MRO: NEWS & PRODUCTS)
February 1, 2008... Motion Industries, Birmingham, Ala., a distributor of industrial MRO replacement parts, has opened a new branch in Conroe, Tex. The new branch is managed by Chuck Pate. The company will offer its complete line of products, including hydraulic...

Pirtek's Virginia hose center opens.(MRO: NEWS & PRODUCTS)
February 1, 2008... Pirtek USA opened its newest Hose Service Center in Norfolk, Va. The Pirtek Lake Wright center is owned by David Driskill. It will provide onsite hose replacement service in the area. Driskill joins Pirtek after a twenty year career with a...

Seminar teaches electric motor repair.(MRO: NEWS & PRODUCTS)
February 1, 2008... The Electrical Apparatus Service Association (EASA) will hold a seminar, "Mechanical Repair Fundamentals of Electric Motors," on May 2-3 in Nashville. It addresses the basic mechanical aspects of motor repair and will cover basic materials and...

Leak-detection flashlight.(MRO: NEWS & PRODUCTS)
February 1, 2008... Spectroline Optimax 3000 portable fluorescent leak detection flashlight features a focused beam that makes it easy to pinpoint all refrigerant leaks. Super-hi-flux LED technology delivers 15x brighter leak detection light than regular LED...

Self-cleaning filter.(MRO: NEWS & PRODUCTS)
February 1, 2008... [ILLUSTRATION OMITTED] SC Mini self-cleaning filter separates particles from low viscous fluids. It offers fully automatic operation with virtually no filter maintenance required. Less than 2 ft high, it withstands working pressures to 230...

Portable air jacks.(MRC: NEWS & PRODUCTS)
February 1, 2008... [ILLUSTRATION OMITTED] Air jacks support, level, or position vehicles and other heavy equipment. They feature an internal stabilizing cylinder ensuring solid positioning. Dual safety valves prevent over-inflation and uncontrolled...

Hydraulic fluids.(MRC: NEWS & PRODUCTS)
February 1, 2008... [ILLUSTRATION OMITTED] A free System Information & Installation CD provides complete, easy-to-follow, step-by-step information on installing and using company's storage and dispensing system for industrial fluids. It shows how the system...

Aftermarket services.(MRC: NEWS & PRODUCTS)
February 1, 2008... Brochure highlights a variety of aftermarket services provided for company's equipment, including repair and replacement, which includes remanufacturing, exchange, and custom repair. New part sales are also offered. It briefly describes...

Keeping control of hydraulic loads: knowing the basics when it comes to emergency load lowering is critical in maintaining worker safety.(MRO)
February 1, 2008... The level of load control in hydraulic load-motion control systems is determined by the safety requirements of the particular application. For example, can human safety be ensured by properly guarding the lifting system? Is the load a...

A common myth about hydraulic pumps.(Motion Control)
February 1, 2008... The genesis of the myth lies in the very construction of hydraulic pumps used for motion control applications. They are positive displacement, meaning that for each revolution of the input shaft, a fixed amount of fluid is transferred from the...

Accumulators Inc. makes management changes.(Industry News)
February 1, 2008... Accumulators Inc., Houston, has made several management changes, including appointing Richard T. Kendall executive vice president and W. Dwayne Lister chief engineer. Kendall has been an executive with the company for 16 years. In addition...

PCB appoints aerospace, defense director.(Industry News)
February 1, 2008... PCB Piezotronics, Depew, N.Y., a manufacturer of force, torque, load, strain, pressure, acoustic, shock and vibration sensors, has appointed Ronald J. Livecchi as senior director of the newly formed PCB Aerospace & Defense division. ...

Bosch-Rexroth makes management changes.(Industry News)
February 1, 2008... Bosch Rexroth AG, Stuttgart/ Lohr, Germany, parent company of Bosch Rexroth Corp., Hoffman Estates, Ill., has announced new management changes effective February 1. [ILLUSTRATION OMITTED] Dr. Albert Hieronimus will take over as...

Employee Owned Holdings Inc. president and CEO retires.(Industry News)
February 1, 2008... Employee Owned Holdings Inc., Houston, announced the retirement of president and CEO Anthony (Tony) J. McGarvey. He has been with the company for 28 years and was named president in 1989. During his tenure as president, McGarvey guided the...

FPDA annual meeting reflects change.(Industry News)
February 1, 2008... The Fluid Power Distributors Association will unveil new initiatives that will deliver new and valuable programs and benefits for FPDA members at its 2008 Annual Meeting. The result of more than two years of member and market research and...

Clean room protects manufacturing process.(Industry News)
February 1, 2008... Racine Federated Inc., Racine, Wis., designed a clean room in its manufacturing plant where air quality, temperature, and humidity are highly regulated to protect sensitive technologies from contaminants. The air in the clean room is filtered...

Bucher Hydraulics acquires Monarch Hydraulics.(Industry News)
February 1, 2008... Bucher Hydraulics is strengthening its U.S. operations with the recent acquisition of Monarch Hydraulics Inc., Grand Rapids, Mich. Monarch manufactures hydraulic power units and has several facilities, two each in Michigan and Canada, a smaller...

Dynex/Rivett appoints president.(Industry News)
February 1, 2008... Raymond A. Warell has been promoted to president of Dynex/Rivett Inc., Pewaukee, Wis., a manufacturer of high-pressure hydraulic products. Warell was most recently executive vice president. He joined Dynex in 1979 as a part-time general...

Poclain hydraulics buys hydraulic valve maker.(Industry News)
February 1, 2008... Poclain Hydraulics SA, a designer and manufacturer of hydrostatic transmissions for mobile machinery, acquired Kladivar, a company based in Slovenia. Kladivar specializes in hydraulic valves.

Manuli Rubber acquires Dutch distributor.(Industry News)
February 1, 2008... Manuli Rubber Industries S.p.A., Milan, acquired Hebu Investments B.V., holding company of a privately owned group headquartered in Krimpen a/d Ijssel, The Netherlands, from Halder, a branch of Belgium's largest listed investment company GIMV....

Fluid Power Summit at IFPE.(Industry News)
February 1, 2008... The National Fluid Power Association (NFPA), Milwaukee, will host a meeting of leaders from fluid power associations around the world. The International Fluid Power Summit will take place on Thursday, March 13 from 7:30 to 10:30 a.m., in room...

Strip slitter supplies automated tube-making line.(25 years ago ... From the February 1983 issue of Hydraulics & Pneumatics.)
February 1, 2008... In Ohio Steel Tube Co.'s welded steel tubing plant in Shelby, Ohio, flat steel is roll-formed into a cylindrical shape, welded, cleaned in a caustic wash, furnace normalized, pickled, and lubricated. The tubing is then cold-drawn to size over a...

Ramsey Industries acquires Eskridge.(Industry News)
February 1, 2008... Ramsey Industries Inc., Tulsa, Okla., acquired Eskridge Inc., Olathe, Kans., a manufacturer of planetary gear drives, auger drives, and multiple-disc brakes for sale to distributors and OEMs. Founded in 1944, Ramsey Industries is comprised...

It's that time again.(Editor's Page)
February 1, 2008... Show time, that is. The IFPE show comes around only once every three years. So for this, our show preview issue, we're offering extensive coverage of the technical conferences, free seminars, roundtable discussions, and other related events....

Bronze bar, tubing.(IFPE: Product Showcase)
February 1, 2008... Bar and tubing for bushing, bearing, and other wear applications are available in bronze grade. They are available in solid round bar as well as tubing in C93200 C95400, C86300, and other common grades. Full-line finishing is done in-house. ...

Hydraulic filters.(IFPE: Product Showcase)
February 1, 2008... Ultipleat SRT hydraulic and lube filter elements combine a pack design and stress-resistant media technology. They offer high contamination control over the life of the filter and enhanced performance under cyclic flow and pressure conditions....

Fan-cooled exchangers.(IFPE: Product Showcase)
February 1, 2008... Airtech fan-cooled units suit mobile and industrial applications where cooling requirements are remotely located, cooling water is unavailable or impractical, or where coolant is subject to freezing. All-aluminum vacuum brazed bar and plate...

Particle counter.(IFPE Product Showcase)
February 1, 2008... [CML.sup.2] and [CML.sup.2]W series portable particle counters are designed for use with LPA View software and a main electrical power supply (12 to 24 Vdc, 1 A maximum). They measure and quantify the numbers of solid contaminants in hydraulic,...

Oil coolers.(IFPE Product Showcase)
February 1, 2008... [ILLUSTRATION OMITTED] MA/BOL oil coolers handle extreme heat loads and feature brazed aluminum P-BAR plate and bar core technology engineered with an aggressive turbulator for ultra high heat transfer. More than 22 standard industry...

Reservoir breathers.(IFPE Product Showcase)
February 1, 2008... Thermally Reactive Advanced Protection (T.R.A.P.) breathers remove moisture at 15% humidity and exhale it with every flow cycle. Porous water-absorbing chemicals remove water vapor from air while minimizing size and weight; they also provide...

Contamination control breathers.(IFPE Product Showcase)
February 1, 2008... Ultra Clean breathers are easy to install using one of several adaptors and help guard against multiple contaminants to protect reservoirs and tanks and reduce maintenance costs. Five models are available: D series, which are rated for airflow...

Fluid power system design.(IFPE Product Showcase)
February 1, 2008... [ILLUSTRATION OMITTED] Automation Studio software increases engineering productivity in fluid power system design. It features user-friendly design tools, advanced engineering capabilities, dynamic and realistic simulation techniques,...

Pressure sensors.(IFPE Product Showcase)
February 1, 2008... [ILLUSTRATION OMITTED] The 3PP8 series of precision pressure sensors provide fast, responsive, and accurate readings. They monitor hydraulic pressure to compensate for vibration or uneven ground and measure load distribution that can...

Vinyl flange covers.(IFPE Product Showcase)
February 1, 2008... Vinyl covers protect flanges by sealing out dust and moisture. VF series provides a snug fit for flanged and beaded tubes while VAS series flange covers fit American Standard Association Navy and Military sizes. VSR series features a snap ring...

Power unit.(IFPE Product Showcase)
February 1, 2008... Redesigned KA compact power unit is designed for intermittent service. It delivers operating pressures to 10,000 psi and combines a pump, electric motor, and tank in one unit, offering minimal use of space and mobility. It offers reservoir...

Case drain monitors.(IFPE Product Showcase)
February 1, 2008... [ILLUSTRATION OMITTED] Direct-reading flow meters on pump case drains monitor excess flow. Variable area meter has a 1- to 5-psig pressure drop, with accuracy of 2% full scale. Polysulfone EZ-View variable area meter has 5% full-scale...

Hydraulic hose.(IFPE Product Showcase)
February 1, 2008... [ILLUSTRATION OMITTED] Tuff hose suits high-pressure hydraulic applications to 6500 psi. It can be bent twice as tight as standard SAE hose for half the bend radius. Reinforced internally with two braided layers of higher tensile steel...

Pipe, tube supports.(IFPE Product Showcase)
February 1, 2008... Vibration dampening steel or stainless steel pipe clamps feature multiple clamp pair materials. Modular group-size construction accommodates shock and vibration for pressures to 10,000 psi. They are available from 1/4 to 30 in. OD pipe size....

Directional control valve.(IFPE Product Showcase)
February 1, 2008... [ILLUSTRATION OMITTED] LVS proportional valve offers stable flow control and keeps forces well-balanced in any position of the spool. Valve blocks can be configured for both fixed- and variable-displacement pumps. It is rated for nominal...