Emerson Climate Technologies, Inc.    Sidney, Oh 45365-0669
Jan 09, 2012 Featuring variable speed Copeland Scroll® compressor technology, Gas Pressure Delivery System combines gas-pressure boosting with automatic pressure and flow controls that match specific site or process conditions. System enables many dry gas streams to be boosted and controlled to discharge pressures up to 300 psig. Applications include testing and laboratories, process gas recovery, power generation fuel gas, industrial boilers/furnaces, and marginal gas well production.

Proportion-Air, Inc.    McCordsville, IN 46055
Dec 16, 2011 Featuring field-adjustable PID potentiometer, QPV Series controls pressure from vacuum to 150 psig, including differential and absolute ranges. Variable orifice proportional solenoid valve on input pressure side eliminates digital stepping for smooth, ripple-free pressure control. With IP65 construction that is insensitive to vibration or mounting orientation, unit is suited for leak testing at low pressures, air-over-liquid dispensing, and gas chromatography.

Proportion-Air, Inc.    McCordsville, IN 46055
Dec 16, 2011 Combining 2 feed and bleed solenoid valves, control circuit, pressure transducer, and air pilot operated volume booster in IP65 housing, Model QB3 electronically controls pressure ranges from vacuum to 150 psig with ±0.25% accuracy. Unit supports high forward and reverse flow up to 20 scfm, and provides 0-10 Vdc or 4-20 mA analog monitor output. Available with integral digital display panel meter, Model QB3 is suited for pneumatic cylinder force control and spray pattern control.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Oct 28, 2011 Featuring digital display gage, control relay switches, and transmitter with current output, Series AT2DH3 Digihelic® Differential Pressure Controller lets user select pressure, velocity, or volumetric flow operation in several engineering units. Dual SPDT control relays with adjustable dead bands are provided along with scalable 4-20 mA process output, and 5 simplified menus facilitates programming. Aluminum enclosure can include glass window for viewing.

Teledyne Hastings Instruments    Hampton, VA 23661
Sep 26, 2011 In addition to RS232 and dual control set point relays, DCVT Series can provide voltage or current linear analog output for integration of vacuum measurement with programmable logic controller or other data acquisition system. Outputs include 0-1 Vdc, 0-5 Vdc, 0-10 Vdc, 0-20 mA, and 4-20 mA. Linear outputs make DCVT Series suitable for many vacuum control automation applications.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Feb 25, 2011 Featuring 6 user-selectable pressure units and 3-color LED display, Series MDPC provides pressure ranges from -100 to 100 kPa or -100 to 1,000 kPa with NPN, PNP, analog voltage, or current output control modes. Parameter copy function enables parameters to be copied to other MDPC pressure controllers, while key lock mode prevents unnecessary changes to parameters. Controller is suited for high-tech electronics, food packaging, and automatic assembly applications.

Applied Analytics, Inc.    Concord, MA 01742
Jan 20, 2011 Featuring solid state design, ePurge X automates purge and pressurization functions. Controller uses digital mass flow sensor to monitor flow rate of purge gas through enclosure. Along with differential pressure, this flow value allows ePurge X to provide data on instrument air consumption by specifying exact demand that will keep enclosure safely pressurized without wasting utilities. Unit includes status indicator LEDs, USB interface, and key-operated override switch.

CONCOA    Virginia Beach, VA 23454
Jan 14, 2011 Intended for systems using liquid can or high-pressure cylinder sources, automatic 642 Series IntelliSwitch II(TM) features onboard web server with embedded software for remote diagnostics and real-time process control. Control can be selected manually via button or remotely with I-LINK(TM) communication, and software logic can help lower gas usage by eliminating liquid can vent loss and excess residual return. Suited for process and metal fabrication industries, system comes in NEMA-4 cabinet.

Pepperl + Fuchs, Inc.    Twinsburg, OH 44087 2245
Nov 15, 2010 With display screen and intuitive menus, field-configurable 5000Q Series facilitates installation and safe operation of general-purpose equipment mounted in certified enclosures. User-selectable programming satisfies specific application requirements, while pressure sensor facilitates automatic purging and pressurization through digital solenoid valve. Measuring 122 x 120 x 90 mm, system works with existing enclosures also allows direct connection of PT100 RTD temperature sensors.

Pepperl + Fuchs, Inc.    Twinsburg, OH 44087 2245
Sep 09, 2010 Supporting automatic pressure compensation and temperature control, Bebco EPS® 6000 Series Type X/Ex px integrates controller, pneumatic, electrical I/O, and programming interface in type 4X, IP66-rated housing. Available firmware and hardware options deliver application-specific operational enhancements that facilitate implementation of purge systems. Suited for use with up to 250 ft³ enclosures, system offers intrinsically safe inputs that can be inverted for NC inputs.

Syrris Ltd.    Royston SG8 5HW  United Kingdom
Aug 24, 2010 Designed for applications where elevated pressures are required, Atlas Potassium Pressure System offers glass vessels ranging from 100 mL to 3 L which can be changed in less than 1 min. Controlled automatically or manually, PED/ASME compliant, modular 3 bar pressure reactor features burst disc and pressure relief valve for safety. Operation modes include manual pressure control, automatic pressure maintenance, pressure control with mass flow monitoring, mass flow control, and off gas monitoring.

AEC, Inc.    Wood Dale, IL 60191
Jul 20, 2010 Utilizing DeviceNet distributed I/O network, VacTrac(TM) Series 24/128 can control up to 24 vacuum conveying pumps, 128 loading stations, and 128 purge valves. Unit is based on Allen-Bradley CompactLogix controller with 10 in. color touchscreen operator interface. With manifold sharing capabilities, Series 24/128 can sequence 6 vacuum pumps per manifold line and assign each loading station to any pumps connected to same manifold.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Jun 02, 2010 Combining aeration and vibration, Model MFD Micro Fluidizer Disk solves difficult bulk solid flow applications. Design creates vibrations as air flows between pads boot and bin wall, providing effective flow aid for all types of dry products. Operating from -40 to 340°F, self-cleaning disk requires air supply of 29-87 psi. Unit includes ¼ in. male BSP connection and ¼ in. ID compression fitting.

Dwyer Instruments, Inc.    Michigan City, IN 46361
May 05, 2010 Series BYDS Bypass Damper Switch is designed for use with 3-wire floating-point damper actuator that controls static pressure on zone control systems requiring motorized bypass damper. Unit sends 24 V to actuator to drive it open when static pressure increases, and will stop once pressure reaches set point. Green LED indicates when damper is in open position or being driven open. Tubing and 2 static pressure probes are included.

Best Controls Company    Clearwater, FL 33760-3616
Apr 15, 2010 Specifically designed for constant pressure applications using 1-4 variable frequency drives, Model PC 4000 features 0-200 psi pressure transmitter and is programmed to perform proportional, integral, and derivative control for consistent pressure. Unit includes graphic screen with backlighting, password protection, serial communication, and automatic alternation. Typical applications include municipal, industrial, and commercial booster pump controls.

Leonard Valve Co.    Cranston, RI 02910
Apr 02, 2010 Suited for hot water systems in hotels, hospitals, and other commercial and institutional installations, LV980 Series temperature valves provide accurately mixed water from flows as low as 2.5 gpm to high flow requirements. Valves are listed and passed to performance requirements of ASSE Standard 1017. Several models are available for group/individual shower applications and hydrotherapy in exposed and cabinet assemblies.

CONCOA    Virginia Beach, VA 23454
Jan 12, 2010 Featuring onboard web server and embedded software, IntelliSwitch II(TM) Gas Switchover allows remote monitoring, secure system configuration, and e-mail notification of real-time system status and events. System offers continuous pressure and flow control from liquid or high pressure cylinder sources. It includes NO/NC relay contacts for alarm outputs; internal, switch-settable input ac power selection; and internal delivery pressure adjustment, which eliminates tampering.

Sensocon, Inc.    Lakeland, FL 33801
Nov 25, 2009 Used to measure positive, negative, and differential pressure (DP) as well as air velocity/flow, Series A6 includes 2 SPDT relays and programming menu that enables full configuration of variables. Programming is done via OLED display, which also shows users-defined variables during normal operation, and Opti-Link(TM) communications are also supported for IR programming. Optional 4-20 mA output can be digitally scaled to meet unique application requirements, and standard accuracy is 1%.

Hydro Systems Company    Cincinnati, OH 45244
Sep 03, 2009 Offering fail-safe operation, AccuPro(TM) Series Proportioners are designed with pressure-regulating technology that ensures dilution accuracy at push of button, while relieving effects of water-pressure fluctuations when dispensing cleaning chemicals. Dilution fluctuations could result in chemicals that do not provide required cleaning power or non-compliance with regulatory body mandates.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Jul 21, 2009 Conserving installation time and panel space, EDA Series can replace separate gauge, 2 switches, and one transmitter in systems. Dual SPDT relays have On and Off points that are fully adjustable over range for control or alarm use, and front face has LED indicators for switch status as well as backlight 2-line display for showing process value and indication units. Constructed with all 316 SS wetted materials, controller delivers ±1% FS accuracy.