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Supplier: Radwell International
Description: DISCONTINUED BY MANUFACTURER, PNEUMATIC PULSE VALVE, 0.30 PSI, IMPULSE RELAY. FREE 2 YEAR RADWELL WARRANTY
- Media: Air
- Actuation: Pneumatic
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Supplier: Williams
Description: The Pneumatic Relay is a pilot operated valve designed to provide the higher air or gas flow rates necessary for pneumatic drive cylinders greater than 3 inches. The pneumatic relay is actuated by the pulses produced by the Oscillamatic Controller. A single
- Type: Electric / Pneumatic Relay
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Supplier: RS Components, Ltd.
Description: Crouzet 81580101 Pneumatic Relay
- Pressure Rating: 29.00754 to 116.03016 psi
- Media: Air
- Valve Type: Control Valves
- Features: Other
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Description: action 3-way control valves direct action mixing type Description: The plug structure of Three-way control valve is designed to flow to open. If valve plug in the valve seat that is mixing service control valve. There are two input ports and one outlet port(see
- Valve Type: Control Valves, Directional Valves, Globe Valves, Mixing Valves
- Media: Steam
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Description: action 3-way control valves direct action mixing type Description: The plug structure of Three-way control valve is designed to flow to open. If valve plug in the valve seat that is mixing service control valve. There are two input ports and one outlet port(see
- Media: Air, Steam
- Valve Type: Control Valves, Diverter Valves, Globe Valves
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Supplier: Quarktwin Technology Ltd.
Description: 2-Hand Start Control Relay Pushbutton, Dual Chassis Mount
- Valve Size: 0.098 inch
- Pressure Rating: 30 to 116 psi
- Media Temperature: 23 to 122 F
- Media: Air
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Supplier: Allied Electronics, Inc.
Description: Low Activation Force < 2.7 Oz. @ 90 PSI. Produces a Permanent Bleed at Its Input Port Positive or Negative Output Relays Works with Relays Listed Below
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Supplier: ControlAir LLC
Description: adjustable from 1 to 100 psi with a simple screw stem. The Mite 70 can also be tripped on demand from a separate remote signal. Use the Mite 70 to open safety valves in emergency situations, trigger an alarm while locking up a valve or actuate diaphragm motor valves, air
- Set Point Pressure: 1 to 100 psi
- Maximum Pressure: 100 psi
- Port Size: 0.125 to 0.25 inch
- Material: Aluminum, Stainless Steel
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Supplier: Proportion-Air, Inc.
Description: The QB3 is a complete electronic pressure regulator package consisting of two feed and bleed solenoid valves, a control circuit, a pressure transducer, an integral air pilot operated volume booster, and a rugged IP65 housing. The pressure transducer is connected directly to the control
- Maximum Pressure: 150 psi
- Flow Capacity: 40 SCFM
- Port Size: 0.25 inch
- Material: Aluminum
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Supplier: Siemens Process Instrumentation
Description: Relays The Series 61 Booster Relays reproduce pneumatic signals in a 1:1 ratio for applications where input isolation or increased flow capacity are required. 61H is a High-Capacity Booster Relay designed to improve the stroking speed of large diaphragm valves.
- Media: Air
- Features: Regulator (general)
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Supplier: Radwell International
Description: DISCONTINUED BY MANUFACTURER, CONTROL RELAY KIT, AIR CONTROL RELAY. FREE 2 YEAR RADWELL WARRANTY
- Seal Application: Gas Seal (Spiral Groove Seal)
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Supplier: Radwell International
Description: COMPRESSED AIR UNIT, THREADED CONNECTIONS, CONDENSATE DRAIN, PRESSURE CONTROL VALVE, SHUT-OFF VALVE, SOFT-START VALVE, PNEUMO-ELECTRIC RELAY, THREE AUXILIARY PNEUMATIC CONNECTIONS, CLOGGED FILTER SIGNAL, 1/2" OUT, 5 0.5-8, RA UNIT. FREE 2 YEAR RADWELL WARRANTY
- Media: Air, Compressed Air
- Valve Type: Control Valves, Drain Valves
- Actuation: Pneumatic
- Features: Threaded
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Supplier: Radwell International
Description: PNEUMATIC RELAY SNAP-ACTION SPDT 3-15PSI, 3 PORT, TRANSMITS THE HIGHER OF TWO INPUT SIGNALS, LOCK OUT ONE PRESSURE SIGNAL WHEN A SECOND SIGNAL IS HIGHER, OR TRANSMIT THE LOWER OF TWO PRESSURE SIGNALS. FREE 2 YEAR RADWELL WARRANTY
- Features: Pneumatic
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Supplier: Newark, An Avnet Company
Description: PNEUMATIC SOLENOID VALVE; 24V DC SOL VLV W/O MO ROHS COMPLIANT: YES
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Supplier: Newark, An Avnet Company
Description: PNEUMATIC SOLENOID VALVE; 24V DC NC SOL VLV LOGIC MT ROHS COMPLIANT: YES
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Supplier: Air Logic
Description: The Valve is designed for precise control in pneumatic control circuits. It can be used as a relay valve to sequence specific signal operations or as a relief valve to limit pressure in a pneumatic system. Fixed or adjustable pressure settings are available;
- Valve Size: 0.125 to 0.0625 inch
- Pressure Rating: 30 psi
- Controlled Pressure Range: 0 to 20 psi
- Media Temperature: 40 to 120 F
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Supplier: Siemens Process Instrumentation
Description: Series 62 Constant-Differential Relays serve as air-flow controllers maintaining a constant air purge for each setting of an integral needle valve.
- Output Pressure: 150 psi
- Maximum Pressure: 200 psi
- Material: Aluminum, Stainless Steel
- Type: Electric / Pneumatic Relay
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Supplier: Allied Electronics, Inc.
Description: Low Activation Force < 2.7 Oz. @ 90 PSI. Produces a Permanent Bleed at Its Input Port Positive or Negative Output Relays Works with Relays Listed Below
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Supplier: DeZURIK, Inc.
Description: Introduced and patented by Red Valve, the air -actuated Type A Pinch Valve offers a unique, cost-effective solution to flow control problems. More Red Valve Type A Valves are in use than any other Pinch Valve throughout the world. The secret is in the rubber sleeve
- Media: Air
- Primary Material: Cast Iron
- Valve Type: Pinch Valves
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Supplier: RS Components, Ltd.
Description: EIL100, Booster Relay, EuropeanPort Size
- Media: Air
- Features: Regulator (general), Threaded
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Supplier: Kelly Pneumatics, Inc.
Description: Kelly Pneumatics, Inc. offers a Driver Board for its Proportional Valve product line. This driver board converts an input signal proportionally to an output current, driving the attached valve appropriately with excellent resolution. Can also be applied to other electronic
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Supplier: ControlAir LLC
Description: The ControlAir Type 250 Lockup Air Relay is a reliable unit for fail in place applications of control valves when air supply drops below acceptable pressure levels. Valve or damper position is maintained by capturing air pressure inside the diaphragm chamber (or piston cylinder)
- Set Point Pressure: 15 to 120 psi
- Maximum Pressure: 125 psi
- Port Size: 0.25 inch
- Type: Air Lock Relay
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Supplier: Williams
Description: •Discharge Pressures to 3450 psi (238 bar) •100:1 Turndown Ratio •Variety of Seal and Plunger Materials available. •Manual or automatic with solenoid valve. •Dual acting pneumatic relay used to cycle pump. •Pneumatic Pumps are often the choice for FPSO (Floating,
- Maximum Discharge Flow: 0.15 to 1.5 GPM
- Maximum Discharge Pressure: 3,450 psi
- Media Temperature: -40 to 200 F
- Power Source: Air / Pneumatic
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Supplier: Siemens Process Instrumentation
Description: Series 61 Booster relays reproduce pneumatic signals in a 1:1 ratio for applications where input isolation or increased flow capacity are required. Various models are available to meet a wide range of requirements. Model 61H High-Capacity Booster Relay is designed to improve the
- Maximum Pressure: 100 psi
- Flow Capacity: 10.5 SCFM
- Type: Volume Booster
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Supplier: ControlAir LLC
Description: The Type-650 positive bias relay is a signal operated regulator that provides an output pressure that is the sum of the input signal pressure plus a preset bias. The unit allows flow capacity ties up to 50 SCFM with minimal pressure drop. An aspirator tube at the output maintains the set
- Output Pressure: 15 to 150 psi
- Maximum Pressure: 250 psi
- Flow Capacity: 50 SCFM
- Port Size: 0.25 to 0.375 inch
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Supplier: Rotork plc
Description: Model 22 Pneumatic Computing Relay is a highly versatile control valve designed to perform a number of specialized functions, including averaging, differential, inverting, and totalizing. This high quality unit, which offers up to four inputs as well as positive and negative
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Supplier: Rotork plc
Description: The Model 2500A Bias Reversing Relay provides an outlet pressure that decreases in direct proportion to increases in input signal. The input signal that acts on the Diaphragm Assembly opposes the Range Spring force and closes the Supply Valve to decrease output pressure, according to
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Supplier: Proportion-Air, Inc.
Description: The QB4 closed loop electronic pressure regulator can handle flow rates as high as 200 scfm forward flow and 300 scfm exhaust flow. It works with pressures from vacuum to 150 psig. The unit is made up of two solenoid valves, an internal pressure transducer and an electronic control circuit
- Maximum Pressure: 150 psi
- Flow Capacity: 200 to 300 SCFM
- Port Size: 0.5 inch
- Material: Aluminum
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Supplier: Dover Flexo Electronics, Inc.
Description: Pneumatic output (P) Used to actuate any air-operated brake or clutch. The standard version includes a servo valve and pressure regulator installed in a separate open-back enclosure. High-voltage output (V) Uses Silicon Controlled Rectifiers (SCR's) to produce a standard variable
- Control Signal: Current Loop
- Interface: Digital Front Panel, Ethernet / Networkable, Knobs / Switches / Meter
- Standards and Compliance: Other
- Form Factor: Panel / Chassis Mount
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Supplier: Finder S.p.A. con unico socio
Description: (77.01.9.024.9024) – 15A rated – version Applications in Energy,Automation and Machines: Control of electric, pneumatic and hydraulic electromagnetic valves Direct control of loads such as motors and electromagnets -110…125 V DC output switching (77.01.9.024.9125) – 7A rated – version
- Normally Open (NO): 1
- Maximum DC Switching Voltage: 32 volts
- Maximum DC Switching Power: 0.5 watts
- Operating Temperature: -4 to 158 F
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Supplier: Dover Flexo Electronics, Inc.
Description: Pneumatic output (P) Used to actuate any air-operated brake or clutch. The standard version includes a servo valve and pressure regulator installed in a separate open-back enclosure. High-voltage output (V) Uses Silicon Controlled Rectifiers (SCR's) to produce a standard variable
- Control Signal: Current Loop
- Interface: Digital Front Panel, Ethernet / Networkable, Knobs / Switches / Meter
- Standards and Compliance: Other
- Form Factor: Panel / Chassis Mount
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Supplier: MAXPRO Technologies, Inc.
Description: regulated output pressure. Storage tank is per A.S.M.E. Code and CRN (Canada) and comes with a safety relief valve, drain valve and pressure gauge. Each 200 psi and 250 psi system is also equipped with an inlet air filter and outlet pressure regulator with gauge, all mounted on a
- Output Pressure: 200 to 250 psi
- Port Size: 0.5 inch
- Type: Electric / Pneumatic Relay
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Supplier: MAXPRO Technologies, Inc.
Description: regulated output pressure. Storage tank is per A.S.M.E. Code and CRN (Canada) and comes with a safety relief valve, drain valve and pressure gauge. Each 200 psi and 250 psi system is also equipped with an inlet air filter and outlet pressure regulator with gauge, all mounted on a
- Output Pressure: 500 psi
- Port Size: 0.5 inch
- Type: Electric / Pneumatic Relay
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Supplier: Rotork plc
Description: Model M4800A is a High Flow Pneumatic Volume Booster specifically designed for Valve and valve actuation systems. With its Cv of 9 in both forward and exhaust modes, this pilot operated booster provides fast response and accurate control for valve actuation.
- Maximum Pressure: 250 psi
- Flow Capacity: 500 SCFM
- Type: Volume Booster
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Supplier: ControlAir LLC
Description: volume valve actuators. They are suitable for either diaphragm or piston actuators. A fixed dead band and adjustable bypass valve combine to allow small incremental downstream adjustment without opening the main booster valve. The bypass valve is used to adjust dynamic
- Output Pressure: 150 psi
- Maximum Pressure: 250 psi
- Flow Capacity: 400 SCFM
- Port Size: 0.75 to 1 inch
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automated so that the sequence happens with little or no manual input. Using limit switches or relays allows a whole series of events to occur based on a preceding event. Remote Locations: Valves which are some distance away from the operator who must cycle (read more)
Browse Ball Valves Datasheets for DynaQuip Controls -
to several reasons: Precise control – Due to its electronic design, the customer was able to easily program the setpoint for the relay in the device down to the second decimal point. As a result, the customer was able to control the blocking of pilot pneumatic pressure to the (read more)
Browse Pressure Transmitters Datasheets for United Electric Controls Company -
minimizing cabinet space with the ODOT DT-222F. This high-density 16-channel digital output module is a core component of the ODOT D-Series remote I/O family, engineered to drive standard 24VDC loads such as relays, solenoid valves, and (read more)
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Ex incorporates several fail-safe features to ensure safety under all conditions. The inherent design of the flame temperature technology is that the flame must always be on and the system working properly or an alarm is given. Whether it is a loss of fuel, air, sample flow or power, a malfunction relay is (read more)
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A Push Towards Efficiency
interference. The line includes male or female, straight connectors, standard and custom lengths, and pigtails or extensions. Fully encapsulated mating receptacles complete the system. All connectors provide IEC IP 67 protection. The Model SCV-30 pneumatically actuated control valve provides
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Perry's Chemical Engineers' Handbook, Eighth Edition > CONTROLLERS, FINAL CONTROL ELEMENTS, AND REGULATORS
Also, the position of the pneumatic relay valve is available in some designs to provide quiescent flow data used for leak detection in the actuator.
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Brake Design and Safety, Third Edition
6.8 Natarajan, Shankar V., “Modeling The Pneumatic Relay Valve of an S-cam Air Brake System,” Master of Science Thesis, Texas A&M University, May 2005.
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The Penlon Oxford ventilator A new ventilator for adult or paediatric use
Reciprocating motion of the drive piston is produced by a well tried system of pneumatic relay valves (Kay Pneumatics Ltd., Dunstable), which also time the .
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http://www.frontiersin.org/Journal/DownloadFile/1/1096/122/1/15/005_2007_pdf
MEART’s organic movement and the “breathing” sound of the pneumatic relay valves intermittently popping and hissing, not quite structured and not quite random, gave an intriguing sense of calm, maybe similar to watching trees sway in a gentle breeze.
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Frontiers | MEART: the semi-living artist | Frontiers in Neurorobotics
MEART's organic movement and the “breathing” sound of the pneumatic relay valves intermittently popping and hissing, not quite structured and not quite random, gave an intriguing sense of calm, maybe similar to watching trees sway in a gentle breeze.
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机械工程学报
Modeling and simulation of pneumatic relay valves [C]//The first Sino-Japanese Workshop on Train Braking Press, Tongji University, Shanghai, China, 2008: 75–88.
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Railway braking and related control systems
These valves feed or vent a small control reservoir, the pressure in which controls the output of a pneumatic relay valve .
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Study on trains' anti-slide simulated system based on ARM
Modeling and simulation of pneumatic relay valves [C].
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