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Fluid Power

Article-Fluid Power

Fluid Power


Good for confined spaces

The Moyno(R) vertical pump can be mounted to closed tanks or to mounting beams above open tanks. The pump pulls fluid from the bottom of its storage container and discharges it at the surface for further processing. This pump is good in situations in which there is limited space. Its compact, vertical, close-coupled design can fit into many tight spaces. Some additional features are the flow range of 20-35 gpm, pressure capabilities of 150 psi, ability to handle high viscosity and high solids content material, and low shear fluid transfer. Moyno Inc.



These Smart flowmeters are designed specifically for all gas and steam applications. The devices compensate for the material's pressure, temperature, and viscosity that they are handling by being microprocessor-controlled. Other features include a flow range as low as 0.4 scfm, wafer and insertion styles, built-in temperature sensors, 70 to 1 dynamic range, drift-free performance, minimal pressure drop, and no moving parts, making the flowmeters maintenance-free. The flowmeters are also calibrated to NIST traceable standards. J-TEC Associates Inc.


No need for overhead lifting devices

Featuring a 24 filter bag model that handles flow rates of up to 4,500 gpm, the MAXLINE(TM) MBF HD multi-bag filter housing is a bag filter that is available in either carbon steel or stainless steel. The MAXLINE MBF HD has incorporated a hand wheel-operated davit cover into its design to combat the problem of replacing filter bags, which was a problem prior to this because of the heavy cover present on many model's bag filters. Designed to accept the many different size 02 filter bags available from Hayward, the filter will also work with standard 7-x 32-inch bags. Hayward Industrial Products Inc.


Works in heavy-duty applications

Featuring a cast iron body and A 2 tool steel pumping elements or 17-4 PH stainless steel pumping elements for corrosive applications, the PowerFlow(TM) Pump uses the Power Seal(TM) with 316 SS constriction, Viton O-rings and hard silicon carbide faces. Good for handling heavier-material applications such as petroleum refining, chemical slurries, food applications, and adhesives and sealants, the pump can handle flows up to 400 GPM, pressures up 1,500 psi, and temperatures up to 350F. Moyno Inc.


Pressure, flow, and temperature alarms

The newest line of recirculating chillers from PolyScience is suitable for many applications including industrial, laboratory, laser, and metalworking. The PolyScience 6000 series chillers lets users know when process parameters that the user can sit individually-such as fluid temperature, pressure, and flow rate-fall outside of their set ranges. Available with cooling capacities from 2,728 to 9,889 BTU/hr, the chillers feature one-touch temperature control, high and low temperature alarms, and noise reduction technology that lowers noise by 55 percent. PolyScience


Two fluid power models

The 33 E and 33 L pressure switches from Norgren have been developed to work in industrial applications. Both switches can be used with gaseous, liquid, aggressive, and neutral fluids and are lightweight with a minimum switching life of 50 million cycles. The 33 L model has a relative pressure rating of -0.5 to 8,700 psi. It also has a self diagnosis function to detect system errors as well as two transistor output signals, providing a switching output and warning output. The 33 E model is a compact switch with a relative pressure rating from 0 to 400 bar. It has one transistor output signal. Norgren


Multiple-angle configurations

The F10 series forged-body needle valve from Swagelok features working pressures up to 10,000 pisg and has three different angle configurations to choose from: straight, 90 degree, and oblique. Cold-rolled stem threads provide smooth operation of the valve, and there is a shroud protecting these threads from dust and dirt. Stainless steel handle with a square drive stem and lockout. There is also a choice of PTFE or graphite-packing materials. The valve also features a non-rotating hardened needle to provide positive shutoff. Swagelok



The Tempflow-FX sensitive flow control valves line has expanded to include brass and stainless steel versions to complement the award-winning Delrin version from Coral Controls. Replacing expensive temperature controls and solenoid valves with a high reliability, low cost, and purely mechanical system, the Tempflow-FX offers very precise temperature control. The valves are also good for temperature control of water to DI water, or water to heat exchanger fluid, heat exchangers for lasers, as well as temperature control of water-cooled equipment. Coral Controls


Pneumatically operated

The ADP-1 liquid drainer does not waste air and has a see-through reservoir. The ADP-1 has a press-to-test actuator and is good for draining oil/water separators. Easy to mount on base-mounted compressors, remote cooler packs, refrigerated air dryers, and filters because of its low profile, the ADP-1's other features include a press-to-test actuator, vent valve, a non-clogging ball valve, and the absence of strainers to clean. There are also the option of legs, a heater, and a mechanical cycle counter. Armstrong International


High CV flow rates

The inline 2/2 and 3/2 Prospector(R) poppet valves are available in solenoid and pilot actuated formats and have operating pressure rates of up to 290 psi with pilot air supply pressures in the 14- 290 psi bar range. Made from die-cast aluminum and good for filtered and lubricated compressed air environments, the valves have operating temperature ranges of -84 to 129F for the solenoid pilot and -84 to 174F for the air pilot version. Imi Norgren


For flow applications

The Nova-Flow Batch Controller from Hoffer is suited for flow applications in which precise measurement and control of batch quantities are required. Providing both single- and dual-stage batching processes and for use on both liquids and gases requiring temperature, pressure, and compressibility compensation, the Nova-Flow Batch Controller has several batching methods including manual, auto, auto-continue, and remote. The controller comes with eight expansion slots to provide I/O and communication options. The basic unit and modules were configured using Windows(R) based software. Hoffer Flow Controls Inc.


Leakproof and flexible

The O-Seal valve system from CPV Manufacturing Inc. has a complete interchangeable valve cartridge with a removable seat that enables users to change from any of the four basic O-Seal cartridge designs whenever they want without compromising its leakproof ability. The four cartridge designs-shutoff, needle, check, and stop check-are rated to 6,000 psi and function between -65 and 400F. Pipe sizes run from 1/8 to 2 inches and tube sizes run from .25 to 2 inches. CPV Mfg. Inc.


Unidirectional flow control valves

The In-Line Flow Control Regulators from the Parker Hannifin Corp. provide extreme sensitivity for precise settings. While the female NPT threads allow the regulators to be spliced easily into the air cylinder port line, the regulators have a working pressure range from 15 to 145 psig and temperature range of 30 to 160F. All regulators have a body made of glass reinforced-nylon and have a stainless steel tube gripping ring and adjustment screw. Parker Hannifin


Three new lines available

Swagelok(R) has come out with three new lines of pressure regulators. The pressure-reducing and back-pressure models both are available in a variety of piston-type and diaphragm-type designs. The pressure-reducing regulators protect sensitive equipment by giving accurate and consistent delivery pressures to processes and equipment. The back-pressure regulators provide control in many analytical and process instrumentation applications. The third line of vaporizing regulators, vaporizes liquid samples, or preheats gas samples. There are two models featured-the KEV series operates with inlet pressures up to 3,600 psig and the KST series has low internal volume Swagelok


Color-coded for identification

Offered in 1/8 and 1/4 male NPT and 1/8 female thread, the new series of relief valves from Industrial Specialties Mfg. Inc. have been colored to make them easier to identify. The valve housing is molded of polyvinylidene flouride (PVDF), a commercial resin, and the internal relief material is made of nylon with a Buna-N seal. Color codes include: orange, royal blue, lime green, Cambridge blue, moss green, and yellow. Industrial Specialties Mfg. Inc.


Miniature in size

The DTI-200-12P and DTI-200-12A models of miniature piezoelectric pumps feature technology that solves size problems, power consumption, noise, and reliability for a range of liquid and gas pumping applications. The pumps operate when the bonded piezoelectric crystals are stressed and distorted by an electric field, which causes the diaphragm to flex and two check valves respond to this flexing to create a pumping action. Electromagnetic noise is eliminated because there are no electric motors. Both pumps have a pump life of 10,000 hrs and can deliver flow rates of up to 200 ml/min for water and 7.5 SCFH for air. Clark Solutions



Offered in a variety of piston-type and diaphragm-type designs, the 10 new models of pressure-reducing regulators provide accurate, consistent delivery pressures to processes and equipment to reduce the likelihood of process variability and protect sensitive equipment. Commonly used in analyzer zero/span gas control, sample handling systems, manufacturing processes, and laboratories, the regulators have a low internal volume. There are five new piston-type regulators and five new diaphragm-type regulators. Swagelok


120 unique variations

The RCS series of Rod Cylinder Slides comes with a selection that features linear ball and composite bearing models in five bore sizes-ranging from 20 to 50 mm. Featuring ISO style repairable cylinders with integral air cushions and dowel pin locating holes on the tooling plate and slide body, the RCS series guide rods are made of precision ground, hardened steel, and have a highrating for load capacity, according to the company. Stroke lengths for each of the five sizes are available in 1-inch increments up to 12 inches. Tol-O-Matic


Low-profile, non-electric design

The GT10L PowerTrap(TM) offers users a pump and trap for removing condensate from steam heat exchangers with limited clearance. By combining the pump and trap in the same body, piping is reduced and the chance of selection or installation errors is eliminated. Featuring a non-electric design and a compression spring with a lifetime spring warranty, the GT10L is available in cast iron or cast steel, and can handle capacities up to 4,400 lb/hr. TLV Corp.


Fully integrated

Available in two different body styles of a compact standard port and a block style full port, the Multiport Series is a fully integrated line of multiport ball valves. Featuring multidirectional flow combined with shutoff capacity in one valve, the Multiport Series has many applications including mixing or blending of line medias, diversion of flow locations, direct flow out of or into storage tanks, and shutoff flow from different locations. The valves have a pressure range from 800 to 1,000 psi. The valves are also available in 1/4- to 8-inch sizes in stainless and carbon steel. Flow-Tek



The Trap-Seal(TM) from Parker Hannifin Corp. provides improved seal reliability by reducing the possibility of the O-ring popping out of the O-ring face seal (ORFS) groove. Featuring greater seal retention, reduced risk of seal damage and leakage, and a smoother pre-assembly process, the Trap-Seal is designed to stay securely lodged under the ORFS groove lip. The Trap-Seal is also interchangeable with the standard O-ring used in half-dovetail grooves, making seal replacement quick and easy. Parker Hannifin Corp.


Multiple configurations

Available with up to 16 positions in five configurations ranging from simple stream selection to more complicated trapping functions, the MW Type Multiposition Valves from Valco offer a wide variety of flow configurations, port and fitting sizes, and actuation options. Traditionally made of stainless steel, the valve body can also be ordered in materials such as Hastelloy C-22 or Nitronic 50. The valves' preload design allows the rotor to be inspected or replaced without removing the valve from the actuator. Valco Instruments Co.

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