KNF NMS020 Micropump

The new KNF NMS020 micropump introduces an efficient and reliable solution to transfer, evacuate, or compress air or gases for analytical, medical, and all portable instruments where space is at a premium. This compact vacuum pump measures 17mm (width) x 31mm (height) x 44m (length), weighs 32g, and can deliver high-performance flow rates up to 1.8 LPM, vacuum up to 15 in. Hg, and pressure up to 7.5 psig. 

The micropump additionally benefits from a unique diaphragm that promotes high efficiency and flow and helps the pumped medium remain pure and contaminant-free. These micropumps enable safe, oil-free operation without maintenance. Corrosion-resistant wetted parts reinforce their ability to withstand especially harsh conditions. The pumps are powered by cost-effective brush DC motors or brushless DC motors where applications demand extended service life and low EMI/RFI.

All NMS020 micropumps can be tailored to meet particular OEM requirements with a wide range of custom materials, finishes, coatings, and value-added options, including shock and vibration isolation components, restart mechanism against vacuum/pressure, and specialized connections, among others. Pumps are supplied ready for installation and can be mounted in any position.

KNF Neuberger, Inc. 
www.knfOEM.com

Proportion-Air’s QL3 Pressure Control Valve

McCordsville, IN – Proportion-Air, Inc. announces the latest addition to the product line, the new QL3 Pressure Control Valve. The QL3 allows high volumes of air to move quickly and precisely at pressures up to 150 psig using proportional solenoid valves with a unique analog PID circuit. Ideal for use with flow meters, it provides high resolution and smooth pressure control at high and low flow rates and avoids the “steps” prevalent in most feed and bleed I/P’s. The output pressure is proportional to the electrical input or command signal. 

The QL3 improves and builds on the proven Proportion-Air QB3 series’ high performance using a current driven variable orifice solenoid valve and the analog PID circuit. The PID circuit integrates error out quickly resulting in superior resolution. This combination of the “stepless” solenoid valve with a high speed analog PID on a high flow volume booster is what allows large volumes of air to be moved with precision at a very high flow rate.

The QL3 is also easily serviced. The volume booster is designed so there are no stamped gaskets or special molded diaphragms or seal parts. All of the parts related to normal maintenance are standard o-rings. Complete repair kits are available, but in case emergency repair is needed parts should be available from any fluid power distributor or even most neighborhood hardware stores.

Proportion-Air 
www.proportionair.com

Hydraulic Replacement Seals from ExpresSeal®

Lancaster, NY - ExpresSeal® can replace your existing hydraulic or pneumatic seal with near replicas or replacements of the original manufacturer seal in 24-48 hours. Popular materials include Polyurethane, Buna, EPDM, Viton, HNBR, Teflon, filled-Teflon, Silicone and engineered plastics (special compounds are available).

As the fastest way to get the seal you need, ExpresSeal® delivers off-the-shelf solutions from an extensive inventory of standard seal profiles or instant prototypes. Seals for emergency replacement can be produced and quickly shipped in virtually any standard profile.

www.ExpresSeal.com

JB Series Single Stage Vacuum Pumps from Anver Corp.

Hudson, Massachusetts - A full line of compact, air-powered single stage vacuum generators that are offered in a wide range of configurations for pick-and-place applications is available from Anver Corp.

Anver JB Series Single Stage Vacuum Pumps are air-powered venturi style pumps that incorporate one-piece anodized aluminum bodies, brass internal nozzles, and achieve a 27” Hg vacuum with low flow rates from 1.2 to 9 CFM. Featuring an energy-saver version which has an air supply control valve, check valve and a fast-acting switch to maintain a programmed vacuum level, these modular vacuum generators are offered in a variety of standard sizes.

Allowing system builders optimum flexibility, Anver JB Series Single Stage Vacuum Pumps can be configured with electric or pneumatic pilots, supply and blow-off control valves, dual ports, mufflers, vacuum port extensions, gauges, and a host of other accessories. Ideally suited for pick-and-place applications, they are designed to be located close to the pickup point.

www.anver.com

MV Products’ Vacuum Pump Inlet Traps

A line of vacuum pump inlet traps that can be customized to match specific pumps or pump and blower packages used in virtually any type of manufacturing process are available from MV Products of North Billerica, Massachusetts.

MV Products’ Vacuum Pump Inlet Traps are custom built from standard housings and combinations of replaceable filter elements to match specific pumps, pump and blower packages, and process applications. Trapping and filtering corrosive byproducts and particulates created by the process and eliminating contamination of the end product, they can prevent premature pump failures and reduce maintenance intervals up to 500%, depending upon the application.

Suitable for vacuum systems ranging from <1 CFM to >5,000 CFM, MV Products’ Vacuum Pump Inlet Traps include the PosiTrap® which comes in sizes that hold from 1 to 4 filter elements and the MV Multi-Trap® featuring a knockdown stage and up to 6 separate stages, each holding multiple elements. Filter media include activated charcoal, Sodasorb®, Resisorb®, stainless steel- and copper-gauze, molecular sieve, activated alumina, and pleated polypropylene.

www.massvac.com

Submersible and Non-Magnetic Air Motors

Whilst it’s not impossible to render an electric or hydraulic motor suitable for complete submersion in water it is costly, complicated and time-consuming. Nevertheless in the marine engineering and process industries there is a real need for such drives and for these applications Huco Dynatork now has the complete answer.

Building on the inherent benefits of its basic air motor design that was specifically designed for operation in harsh and hazardous environments, the company has developed a fully submersible range. These acetyl bodied models with stainless steel shafts and bearings are available in two sizes and specials can be made to order. Ideal for any motion control application underwater such as opening a valve or for propelling a stirring mechanism for example, the motor is also a good choice for washdown environments and flood-risk areas. The motor can withstand aggressive chemicals, high pressure hosing and can operate fully submerged. In common with the standard range, these new submersible motors excel in constant start/stop applications under load and can be applied to give similar characteristics to those of a stepper motor. Reverse operation is achieved by using 5-port control valves giving near instant response even under load.

All the Huco Dynatork submersible air motor needs to operate is compressed air and even that is minimal. It requires up to 80% less than vane motors, providing significant cost savings even at maximum torque. Free-floating pistons transmit maximum torque on start-up that can be adjusted via a pressure regulator.

As a ready supply of compressed air is common in the marine and offshore sites this new motor will of particular interest to these sectors. Air can be supplied via a reservoir and tests have confirmed that a Huco Dynatork motor will run continually for more than 15 minutes from a standard diving cylinder.

Another important air motor development that is already generating considerable interest in the nuclear industry is the new Huco Dynatork non-magnetic model. It combines stainless steel shafts and ceramic bearings enabling the motor to be used in a high magnetic field. It is ideal for applications involving particle acceleration and in systems such as MRI scanners.

A Flywheel coupling to suit every pump and engine

As result of changing from traditional vane motors to Huco Dynatork non-lubricated air motors for paint stirring, one UK automobile plant is saving in the region of $130,00 annual in power costs and plant renewals alone. 

The customer’s original purchasing criteria for the motors were greater reliability on 24/7 operation and freedom from lubrication to avoid the possibility of contamination. However the switch to the Huco Dynatork model did much more than meet these modest needs. It also substantially cut the need for shop air as even at maximum torque, this design requires less than a quarter of the air consumed by a traditional vane motor. 

This manufacturer has now installed 42 Huco Dynatork motors and these have provided a capital saving of two 600scfm compressors and an overall power saving of 152kVA annual. 

The operating principle of the Huco Dynatork air motor is simple and unique. Via an integral rotary valve, air up to 6.5 bar is supplied to each of three pistons in turn. The free-floating pistons transmit torque on start-up that can be adjusted via a pressure regulator. This results in high torque at variable low speed and low noise. 

The motor is ideal for use in harsh and hazardous environments and excels in constant start/stop applications under load displaying similar characteristics to those of a stepper motor. By comparison an electric motor will often burn out and a vane motor, stall out when subjected to these conditions. 

These qualities make the Huco Dynatork air motor the perfect choice for paint and other liquid stirring applications across a wide spectrum of industries.

Piston Air Motor Ideal for the Food Environment

 

The Huco Dynatork air motor is quite ingenious.  It is based on a unique free-floating piston design that is capable of precise position control.   Maximum torque is transmitted on start-up and this can be adjusted to fine limits by standard air-flow valves.  Unlike other makes that operate with a system of metal pistons and connecting rods, the Huco Dynatork motor is perfect for stop/start load speed applications under load.

Unlike its vane counterpart the Huco Dynatork air motor is also easier to seal.  It is therefore far more cost efficient as most of the energy stored up in the compressed air is converted into motion.  In fact it consumes up to 80% less air than a vane motor providing significant cost saving even at maximum torque.

This is an exceptionally clean motor available with non-lube air supply and in a corrosion resistant or acetyl housing.  It’s little wonder then that this economical and efficient product has attracted designers of food preparation and packaging systems.  However, it has to be said that until now its commercial potential has been somewhat impeded. 

When Huco acquired Dynatork, the company inherited a product that was highly effective but remained a first generation design.  It had some design issues that hindered its take-up in the hygiene conscious sectors. The recently launched generation two of the design corrects these.  The new Huco Dynatork air motor not only looks the technical product that it has always been but it is now ideal for a wider range of applications.

 On the original design pneumatic tubing was external to the housing.  This made it vulnerable, sensitive to temperature extremes and difficult to clean.  The pneumatic porting on the latest models is now an internal feature making them far more robust.  Fasteners are also recessed to reduce potential bug traps.

 Aluminium foil tray manufacturer Coppice Alupack has systematically replaced all its electric drives on rewind systems that handle the surplus foil after the aluminium coil has been stamped.  Inclusion of Huco Dynatork air motors has not only simplified the design but also made it more controllable and safer.  Their clean, non-lube running has also ensured hygienic production. The Huco Dynatork motors run from 0 – 220 rpm for 24 hours a day in a cycle that goes from stall to start in the order of sixty times per minute.

 

“The piston air motor has allowed us to adjust most of the tension out of the system to eliminate lacing breakage,” explained Engineering Manager, James Lamin.  “It has also made the process inherently safer by reducing torque and negating the need for any electrical cables.”  A further benefit is that maintenance of the motors can now be carried out by a shop-floor technician instead of a skilled electrician, saving cost and minimising downtime.

The suitability of the Huco Dynatork motor for stop/start applications under load has also been proven by Greydon Inc., the manufacturer of printing equipment for form, fill and seal packaging machinery. Its Bagaire taped bag loader ensure bags are presented quickly and in exactly the same position to the operator, time after time.  This accuracy makes the system ideal for the inclusion of inkjet coding.

The operating principle is simple but effective.  A leader tape is wound around two drive pulleys. When powered up, the system advances the bags by winding up the tape and pulling them up from underneath the load table.  The Huco Dynatork air motor is responsible for this operation and again provides a clean solution that is also suitable for wash down.

Modular Flow Diverters for Harsh Environments

Bethlehem, PA – Bosch Rexroth has introduced a complete line of flow diverter valves with flows up to 60 gpm and pressures up to 5000 psi. The flow diverters are modular, allowing up to 5 additional circuits with minimal pressure drop. Zinc-plated steel bodies and IP69 rated coils withstand the most severe operating conditions, making them ideally suited to mobile applications in mining and heavy industry environments.

Rexroth’s flow diverter valves are available as 3- or 6-way single valves, with the option of creating up to 14-way flows using modular diverters. Standard ports allow for electric, manual, or pilot pressure operation, and flow diverters can be positioned next to the control cylinders, making pipe connections easier and more cost-effective. Diverters provide an economical means of “multiplying” hydraulic controls by allowing an operator to select from two distinct operations under control of one directional valve.

Operators also benefit from single-hand operation thanks to push-button control placed on the handle of the directional valve lever. The push-button handle connects to the solenoid, allowing precise control of the required cylinder.

For more information on Flow Diverters from Rexroth, visit www.boschrexroth-us.com/brh-m.

www.boschrexroth-us.com<

Air Dryers Provide Moisture-free Compressed Air to Air Braking Systems

Modesto, California – Racor Division of Parker Hannifin Corporation, the global leader in motion and control technologies, is pleased to announce the Racor/Nabtesco Compressed Air Dryer System. The air dryer provides vapor-free compressed air to a vehicle’s air brake system reservoir. The compact Racor/Nabtesco air dryer utilizes a proprietary high performance desiccant that is more durable and has better moisture removing capacity than other systems.

Features and benefits include a rugged construction, automatic regeneration of desiccant, integral governor and check valve, integral purge chamber, and a heater is available for all models. The air dryers are available in a number of sizes to fit the needs of a variety of applications.

With annual sales exceeding $12 billion, Parker Hannifin is the world’s leading diversified manufacturer of motion and control technologies and systems, providing precision-engineered solutions for a wide variety of mobile, industrial and aerospace markets. The company employs approximately 62,000 people in 48 countries around the world. Parker has increased its annual dividends paid to shareholders for 52 consecutive years, among the top five longest-running dividend-increase records in the S&P 500 index.

For more information, visit the company’s web site:
www.parker.com

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