Supplier: Equilibar, LLC.
Description: The GP series control valve is an electronic pressure regulator designed to precisely control the pressure of gaseous media proportional to an electronic signal in pressure ranges up to 1000 PSI. The GP1 operates using two normally closed solenoid valves, a pressure sensor, and a control circuit
- Valve Type: Servo Valves
- Actuation: Electric, Electro-pneumatic
- Valve Size: 0.1250 inch
- Pressure Rating: 0.0 to 1000 psi
Vacuum Gauges and Instruments - 450 - Vacuum Controller 0 to 760 Torr, 3/8" barb Process Connection -- GO-07379-24Supplier: Cole-Parmer
Description: of the unit is a proportional valve that allows the controller to make precise changes in vacuum flow to achieve a very stable vacuum level. The unit has a bleed valve that adds bleed control from atmospheric pressure. The controller features full manual control available via a dial on the front panel
- Type: Digital
- Signal Output: RS232 / RS485
Description: Kelly Pneumatics, Inc. offers a dual proportional valve design, Electronic Precision Pressure Regulator with I/P transducer control circuitry. Designed specifically for low volume flow rates, this regulator precisely sustains both positive and negative outlet pressures, even during dynamic changes
- Valve Type: Servo Valves
- Actuation: Electric
- Pressure Rating: -14.7 to 98 psi
- Number of Ports/Ways: 2
Description: sensor and optional stainless steel piping to enable implementation in the most corrosive environments. The heart of the unit is a proportional valve that allows the controller to make precise changes in vacuum flow to achieve a very stable vacuum level. The unit also adds a bleed valve so level
- Vacuum Range: 0.0 to 29.88 in Hg vac
- Accuracy: 0.1320 ±% FS
- Media: Gas
- Type: Digital
Description: precise volumetric flow control for a variety of mediums and critical gases. These units are proportional valve driven; using patented proportional valve technology that ensures virtually frictionless performance offers excellent resolution, repeatability, and extensive product life. The Kelly
- Number of Control Outputs: 1 outputs
- Controller Inputs: DC Voltage Input, Current Loop (Transmitter) Input
- Control Signal Output: Analog Voltage
- Form Factor: Stand-Alone
Supplier: Allied Electronics, Inc.
Description: to mount to all SMC FRLs (filters-regulators-lubricators). Electronic regulators control air pressure or vacuum pressure in proportional to an electronic signal. Regulator Controls Output Pressure in Proportion to Electrical Input Signal Integrated Display and Keypad Allow Easy Setup Integrated
- Actuation: Pneumatic
Description: Kelly Pneumatics, Inc. introduces the Mass Flow Controller. This product offers precise volumetric flow control for a variety of mediums and critical gases. These units are proportional valve driven; using patented proportional valve technology that ensures virtually frictionless performance offers
- Process Media Type: Gas, Liquid
- Pipe Diameter: 0.1250 to 0.2500 inch
- Media Temperature Range: 0.0 to 150 F
- Operating Temperature: 0.0 to 150 F
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Electronic Pressure Regulator for High Resolution
are available. Gauge referenced and absolute referenced models are available as are vacuum through positive pressure models. The QPV is a relatively low flow control valve. Internal orifice options for the proportional solenoid valve are limited to 0.013, 0.025, 0.040, and 0.060 inches in diameter. Most applications typically require higher flow rates. The QPV is then used to pilot operate a higher flow pilotoperated pressure regulator. These are often referred... (read more)
Browse Servo Valves Datasheets for Equilibar, LLC.
Tescom-Emerson Process Management
Electronic Pressure Controller: ER 5000 Series
inert gases from 0-100 psig / 0-6.9 bar, or connect the ER5000 to any pneumatically actuated regulator or valve. Used with TESCOM regulators, the ER5000 provides pressure control of gases and liquids from vacuum to 30,000 psig /2068 bar, with a Cv of up to 12+. Available in 10 configurations so you can choose the automation level you need. With the ER5000, the pressure you want is the pressure you get! . Applications: Test equipment. Calibration stands. Proof & burst testing. Production... (read more)
Browse Pressure Controllers Datasheets for Tescom-Emerson Process Management
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Green Communications and Networks
...C-regulator; D-cut-off valve; E-solenoid valve; F-electrical-pressure valve; G- high-response flow transducer; H-pressure mea- suring tube; I-pressure gauge; J-pressure sensor; K- vacuum ejector; L-silencer; M-electrical- flow proportional valve ; N- control center .
Annual Technical Progress Report of Radioisotope Power Systems Materials Production and Technology Program Tasks for October 1, 2009 through September 30, 2010
A new proportional -integral-derivative controller, flow meter, flow control valve and valve controller were installed on the vacuum molding system.
Negative�?pressure wound therapy using gauze or open�?cell polyurethane foam: Similar early effects on pressure transduction and tissue contraction in an exper...
Each rig comprised linear drive vacuum pumps and associated flow meters, vacuum sensors, solenoid and proportional control valves , and a general-purpose micro- processor board connected to the sensors, valves, and pumps through a bespoke input/output board.
A Multi-Reactor Assembly for Screening of Diesel Particulate Filters
The sampling flow , and thus the filtration velocity, through the reactors during soot loading experiments is maintained constant using four diaphragm type vacuum pumps, controlled using proportional solenoid valves .
BACK TO BASICS
MKS has a product line of vacuum trans- ducers and instrumentation including capacitively based nanometers, explosion... ...transmitters and switches, thermal-based gas mass flowmeters, upstream pro- portional control valves and downstream throttle valves... ...independent control of gas flow and pressure, and associated...
(IUCr) An automatic low-temperature apparatus for single crystal diffractometry
...temperature, compares it with a pre-selected value, and delivers a signal through an electro-pneumatic proportional control system that maintains a... ...nitrogen and (b) the flow -rate of gaseous nitrogen... ...a pneumatically controlled cryogenic valve and vacuum -insulated flex- ible metal...
Several key technologies of hydraulic system with high flow and high performance--《Journal of Zhejiang University(Engineering Science)》2009年07期
The experimental results showed that the method used for oil temperature control through proportional water valve could achieve precise control of oil temperature,the method used for online vacuum degassing in closed hydraulic... ...pressure control in big flow changes was good.
Emulation of ventricular suction in a hybrid mock circulation
...of the hybrid mock circulation consisting of two pressure- controlled reservoirs (a), (b), a... ...level sensors (e), one proportional solenoid inlet valve and two proportional solenoid... ...f) per reservoir, a vacuum pump (g), a vacuum... ...and and two ultrasonic flow probes (k).
Sell Automatic EPS Machinery
- Proportional regulating valve of pressurized filling system assures even density distribution of the finished products; -PLC remote control system; -Data memory card is... ...pressure moulding technology; -High efficient vacuum condensating system ensures low... ...Hydraulic fast react return flow design avoids vibration when...
Guidelines for Engineering Design for Process Safety
Motor control center Minimum ignition energy Millijoule Material safety... ...Permissible exposure limit Programmable Electronic System Process Flow Diagram Programmable logic controller... ...diagram Process Hazad Analysis Proportional Integral derivative Pass outlet... ...Liquid penetrant testing Pmsure- vacuum relief valve Resoutre Conservation and Recovery...
A novel design of train air brake test instrument
...using a control valve for measurement and control of flow �?, IEEE Transactions on... ...of gas pressure in vacuum interrupter based on partial... ...Lixin, “Study on electronically controlled pneumatic (ECP) brake system... ...and analysis of a proportional valve �?, Journal of the...
Seventh IUTAM Symposium on Laminar-Turbulent Transition
The reasons are due to the limited pressure drop achievable from the vacuum pump and to the additional pressure losses introduced by the proportional electric control valves . The valves operate like a low pass filter damping the mass flow amplitude.