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The series A3 digital differential pressure controller is a patent pending microprocessor based pressure controller for positive, negative, and differential pressure as well as velocity and flow. The Series A3 differential pressure controller includes (2) 8A SPDT relays and an associated software package that allows full configuration of variables such as setpoints, dead band, engineering units, flow coefficients, and more. The programming is done from a user friendly menu on the LCD display or uploaded using an OptiLink™ programming key. The LCD also displays the exact setpoints or other user defined variables during normal operation. Furthermore, the menu structure can be customized by moving variables to different menu levels to accommodate many applications. Compared to other mechanical products, the Series A3 digital differential pressure controller has a significantly reduced depth, an improved look, and better performance at a lower price.
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The Series A6 is a microprocessor based controller for positive, negative, and differential pressure as well as velocity and flow. The Series A6 has a 316L Stainless Steel cover to meet clean room and other high purity and wash down requirements. It features (2) 8A SPDT relays for control and an optional digitally scaleable 4-20 mA output. The associated software package allows full configuration of variables such as setpoints, dead band, engineering units, flow coefficients, and more. The programming is done from a user friendly menu on the OLED display or uploaded using an Opti Link™ programming key. The OLED also displays the exact setpoints or other user defined variables during normal operation. Furthermore, the menu structure can be customized by moving variables to different menu levels to accommodate many applications.
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The series A4 digital differential pressure controller is a patent pending microprocessor based pressure controller for positive, negative, and differential pressure as well as velocity and flow. The Series A4 differential pressure controller includes (2) 8A SPDT relays and an associated software package that allows full configuration of variables such as setpoints, dead band, engineering units, flow coefficients, and more. The programming is done from a user friendly menu on the OLED display or uploaded using an OptiLink™ programming key. The OLED also displays the exact setpoints or other user defined variables during normal operation. Furthermore, the menu structure can be customized by moving variables to different menu levels to accommodate many applications. Compared to other mechanical products, the Series A4 digital differential pressure controller has a significantly reduced depth, an improved look, and better performance at a similar price.
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Electronic Digital Pressure Controller and Calibrator Type LR-Cal LCC 100
Ranges -1...+1 mbar, -10...+10 mbar, -100...+100 mbar or -600...+1000 mbar.
Generates and measures pressure and vacuum for testing and calibration purposes.
Li-Ion chargeable battery powered, mains supply 115...230 VAC included, as well as USB- and RS232-interface.
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Air volume control equipment for VAV and CAV boxes
- In the comfort zone
- In the laboratory
- Stand-alone solutions
- Integrated solutions with bus or conventional control
- Pressure control for Line and room pressure applications
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The PCD Series Digital Dual Valve Pressure Controllers are designed for applications that require a precise pressure control device with easy to integrate features specifically for dead ended applications. The PCD series pressure controller provides an RS-232 and a choice of analog output of the pressure signal as a standard feature. Alicat's P series standard digital pressure gauge electronics are integrated with two proportional control valves (a feed valve and an exhaust valve). The PCD series device was designed for applications that have a closed volume or are dead ended.
Common Applicaitons for Alicat Dual Valve Pressure Controller
• Pressure loading
• Dead ended processes
• Semiconductor processing
• CMP
• Biotechnology/Pharmaceutical
• Process Control
Benefits of Alicat Dual Valve Pressure Controller
• Accuracy +/- 0.5% of Full Scale
• Control response time of <100ms
• 200:1 Turndown ratio
• Custom pressure ranges available
Now with an industry first, lifetime warranty!
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Alicat Scientific's line of digital pressure controllers offer customers precise pressure control for applications ranging from hard vacuum through 300psig. The Alicat PC series pressure controller relies on cutting edge electronics to drive a single valve that results in incredibly fast and accurate pressure control. The PC series instrument is offered with standard RS-232 digital communication as well as a choice of analog communication. Also standard is a 302 stainless body with aluminum case and digital display. The PC series device is also backed by the industry's first lifetime warranty.
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KOFLOC 9100, 9100R, 9100M
The KOFLOC Auto pressure Controller MODEL 9100 SERIES is based on a type of mass flow controller that controls pressure using a pressure sensor. Capable of controlling pressure at either inlet or outlet, this unit can be used alone or in conjunctions with other mass flow controllers. The MODEL 9100 SERIES utilizes the unidirectional normally closed valve with higher dependability and safety. This valve also reduces internal dead-space. It is equipped with the vapor deposition semiconductor distortion gauge type sensor for high accuracy at 1% F.S and improved control and response at all levels. It also offers a choice of response time of either 1 s or 6 s at F.S. The lineup includes a standard high temperature option especially suited for baking process and can withstand temperature of up to 80¡ÆC.
FEATURES
- Rohs compliance - SEMI stndard connections - SUS316L stainless steel
- Unidirectional normally closed valve - Highly reliable solenoid actuator
- Compact - Free mounting position - Easy maintenance
- Wide selection of fittings, seals, wetted materials and communication interfaces
APPLICATIONS
- Bioreactor - Fuel cell - Chamber pressure regulator
- Burn control
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The glue application controls offers time, distance or quantity-dependent control of multiple application guns. They control the type of application and which adjustments such as speed corrections are necessary.
Glue application controllers from UES make sure that the glue is optimally coated. On the production line it is very important that the products match the quality standard. Therefore an application control is necessary!
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Pressure controls serve various functions, which may be divided into control and protection functions. Examples for control functions are compressor cycling, pump-down or defrost control. Protection functions include, pressure limiting and cut out against excessive pressures, against loss of charge or for freeze protection.
Our pressure controls are equipped with display scale and pointers to indicate the approximate settings. The display scales are printed in relative pressure units "bar" and "psi". For precise setting of the controls, external gauges must be used.
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%u2022 The FLOWTRONICD consists of a fast, direct-acting 2-port proportional valve, a pressure sensor
unit and digital control electronics.
%u2022 Especially designed for applications placing extreme dynamic demands on fl ow control.
%u2022 Control and maintenance of constant and even fl ow, irrespective of outside infl uences.
%u2022 Precise measurement of fl ow with two sensors.
%u2022 Adaptable to different applications due to the use of digital control electronics that can be
confi gured by PC over a USB interface.
%u2022 Auto-tune function and ASCO FlowCom PC software provide for quick and easy start-up.
%u2022 Diagnosis over integrated LEDs or the ASCO FlowCom PC software.
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P820
motor-controlled, for air, vacuum or water
of brass, 0 - 10 V or 24 V
G1/2 - G1, 0 - 1000 / 3500 l/min
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%u2022 The FLOWTRONICD consists of a fast, direct-acting 2-port proportional valve, a pressure sensor
unit and digital control electronics.
%u2022 Especially designed for applications placing extreme dynamic demands on fl ow control.
%u2022 Control and maintenance of constant and even fl ow, irrespective of outside infl uences.
%u2022 Precise measurement of fl ow with two sensors.
%u2022 Adaptable to different applications due to the use of digital control electronics that can be
confi gured by PC over a USB interface.
%u2022 Auto-tune function and ASCO FlowCom PC software provide for quick and easy start-up.
%u2022 Diagnosis over integrated LEDs or the ASCO FlowCom PC software.
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The EL-PRESS series digital electronic Pressure Meters and Controllers have a well-proven compact thru-flow design and are available in pressure ranges from 2-100 mbar up to 8-400 bar, both in absolute and relative (gauge) pressure. A differential pressure transducer can also be supplied in the ranges of 2-100 mbar up to 0,3-15 bar. The pressure controller performs with high accuracy and repeatability and should be specified for forward or backward pressure control. Todays EL-PRESS series are equipped with a diaphragm type piezoresistive pressure sensor and a digital pc-board as standard and offer high accuracy, stability and reliability. The basic digital pc-board contains all of the general functions needed for measurement and control. In addition to the standard RS232 output, the instruments also offer analog I/O. As an option, an integrated interface board provides DeviceNet, PROFIBUS-DP, Modbus-RTU or
FLOW-BUS protocols.
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26-1700 Series: Versatile
Extremely sensitive
Ideal for both gas & liquid service
High temperature versions available
Accuracy: ±1% of relief pressure range
26-2300 Series: High Accuracy
Precise pressure control
Diaphragm sensed - highly sensitive
Crack to reseat: 2% of set pressure
Bubble-tight shutoff at all reseating pressures
26-2500 Series: High Flow
Large diaphragm for excellent sensitivity
Bubble-tight shutoff at all reseating pressures
1/2", 3/4" and 1" NPT inlet and outlet port sizes
26-2900 Series: Tracking
High Flow
Negative spring bias
Designed for BIBS application
Diaphragm sensed - highly sensitive
44-2300 Series: Economical
Hand adjustable
Diaphragm sensed
Dome loaded
Four relief pressure ranges
44-4700 Series: Sub-atmospheric
Metal to metal diaphragm assures minimum inboard/outboard leakage
Controls sub-atmospheric to positive pressures
High flow capacity
Negative spring bias
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44-2200 Series: General Purpose/Compact-Reducing
1/4" inlet and outlet ports
Diaphragm sensed - highly sensitive
Various trim options available
44-2600 Series: General Purpose/Large Diaphragm
Increased sensitivity, minimal droop
Repeatability: ±1/2% of outlet pressure range
Accuracy: ±1% of outlet pressure
44-2800 Series: Accurate/Positive Seal-Reducing
Mechanical link between diaphragm & main valve prevents pressure creep
Positionable captured vent bonnet
44-3400 Series: Two Stage-Reducing
Decaying inlet characteristic: .04 per 100 PSIG inlet pressure change
Various trim options available
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26-1100 Series: High Flow Cv=1.3 or .46 - Reducing
Diaphragm sensed - highly sensitive
Modular construction - easy service
External sensing available for improved accuracy
Balanced main valve increases seat life
26-1200 Series: High Flow Cv=3.3 - Reducing
Similar to 26-1100 with higher flow capacity
44-4200 Series: Economical
Dome loaded
Piston sensed - highly reliable
Compatible with TESCOM electronic pressure controllers
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WITT Regulators for pipelines, Outlet points and High Flow Application. The design allows constant flow over the whole pressure range even with flow fluctuation on the inlet side.
Benefits
- applicable for almost technical gases
- inlet pressures up to max. 200 bar
- regulating from 100 mbar up to 60 bar
- process reliability by high pressure stability in case of withdrawal fluctuations
- high flow rate
- compact design, small mounting dimensions
- warranted high reliability by integrated inlet filter (without 737LE ND)
- integrated pilot pressure and manometer connections
- remote control by extern pilot pressure regulator or proportional valve
- several gas supply can be central regulated to the same working pressure
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Electronic pressure controller for gases with integrated flow measurement
The new electronic red-y smart pressure controllers combine the reliable technology our of thermal mass flow controllers with electronic pressure control.
The devices automatically control a predefined process pressure and at the same time measure and/or limit the flow rate.
On-the-fly switching between pressure control and flow control offers maximum flexibility.
1 device – 3 functions
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The pressure controller combines three functions:
– Pressure controller
– Pressure controlerl with flow measurement/limitation
– Flow controller with pressure measurement
Instrument versions:
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– Integrated pressure control: Accuracy:± 0.5 % of full scale, turndown ratio: 1 : 10
– Integrated back pressure control: Accuracy:± 0.5 % of full scale, turndown ratio: 1 : 5
– Pressure control with external pressure transmitters
– Pressure controller with gas mixer function
Instrument types
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red-y smart pressure controller GSP
Electronic pressure controller with integrated flow measurement
red-y smart back pressure controller GSB
Electronic back pressure controller with integrated flow measurement
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Product description
- Eaton® Flow Dividers are available in priority, proportional, variable and load sensing
versions with a wide range of standard flow ratings and relief settings.
- Eaton load sensing priority valves provide dependable flow on demand for load sensing steering, braking or other priority functions while allowing excess flow to be used for auxiliary functions.
- These products can be used in virtually any mobile application.
Benefits & Customer Values
- Eaton's global leadership in the Steering Unit is a driver for LS Priority Valves
- Used with fixed or variable displacement pumps, a dynamic signal system increases machine performance and stability.
- LS priority valves available as In-Line or Bolt-On configurations
- Flow dividers can be integrated into other components including gear pumps, limiting the need for additional plumbing.
- These products can be used in virtually any mobile application.
Specs
- Priority Flow Dividers
- Rated pressure up to 195 bar/2800psi
- Rated flow up to 175 LPM/45GPM
- LS Priority Valves
- Inlet & EF pressures up to 310 bar/4500psi
- CF pressure & Max CF relief setting 276 bar/4000psi
- Rated flow up to 240 LPM/63GPM
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Types:
P.C. Flow Regulator
P.C. Flow Control
Priority Style P.C. Flow Regulator
Compensator Valves
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Flow 1,2,3,4,6,8,10,12,16,20,25,30 l/min. water
Connection G 1/2, G3/4 (up to DN 500 on request)
Material brass, st. st.
Max. pressure 10 bar
Max. temperature 300 °C
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The VFL volume flow limiter simply deals with what is normally the tedious and xpensive process of adjusting flow rates in ventilation and air conditioning systems. Easy installation and precise operation saves precious time on site. The required volume flow rate can be simply set up at the point of installation when the VFL is fitted into the duct work.
The VFL controls to the set volume flow rate keeping it constant within strict tolerances even when the upstream pressure changes.
circular
4 – 250 l/s
15 – 900 m³/h
8 – 530 cfm
Δp: 30 – 300 Pa
Ø 80 – 250 mm
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TROX VARYCONTROL TVR-Easy type air terminal units are circular control units and were developed for the control of air flow in supply and extract volume flow systems.
The nominal size is selected according to the flow rate range specified by the consultant.
The setpoint values are set exactly using the flow rate scale attached to each controller.
Characteristics
Flow rate set-up without software and hardware (adjuster units)
Functional check by indicator light and service button
Aerodynamic function test of each box using a dedicated test rig
form: circular
10 – 1,675 l/s
36 – 6,030 m³/h
23 – 3,549 cfm
Δp: 20 – 1,000 Pa
Ø 100 – 400 mm
Casing air leakage flow rate complies with DIN EN 1751, class A
Control damper closed blade leakage complies with DIN EN 1751, class 4 (nominal size 100 and 125, class 3)
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Description
- Circular volume flow controller for low velocities
- Suitable for constant and variable volume flow systems
- Selection according to nominal size of the duct system
- Commissioning in one step
- Flow rate adjustment without special tools
- Retrofit of actuator easily possible
Characteristics
- Mechanically system powered, without external power suplly
- The flow rate can be set with an external scale
- Highly precise regulation of the volume flow to ± 10 %, relative to Vnominal
- Orientation-independent and maintenance-free
- Suitable for supply or extract air
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20-1000 Series: Compressed Natural Gas
Balanced main valve minimizes inlet pressure fluctuations
Piston sensed – highly reliable
Water heat jacket standard
20-1200 Series: High Pressure Hydrogen
Nickel-plated aluminum
Large piston sensor
All regulators tamper-proof
20-1400 Series: High Flow / Low Pressure
Diaphragm sensed – highly sensitive
Dome load spring bias ± 2 PSIG
Captured bonnet design for safety
44-6000 Series: In-Line High Pressure
Balanced main valve design
Positive shutoff seal
Captured bonnet available
Patent pending
44-7400 Series: Pressure Reducing
Ideal for CNG dispensing applications
Several porting configurations available
Spring adjust, high outlet, high flow
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44-2600 Series: General Purpose/Large Diaphragm
Increased sensitivity, minimal droop
Repeatability: ±1/2% of outlet pressure range
Accuracy: ±1% of outlet pressure
44-3200 Series: High Flow/Purge
Ideal purge regulator
High pressure inlet version incorporates a balanced main valve to minimize inlet pressure fluctuation
26-1500 Series: Sensitive/Non Venting-Reducing
Compact design
Elastomeric diaphragm - highly sensitive
Dome loading available
For liquid or gas service
26-1600 Series: Sensitive/Self Venting-Reducing
Elastomeric diaphragm - highly sensitive
Controls up to 500 PSIG
Dome loading available
For liquid or gas service
Works with TESCOM motorized actuator for remote control
DH Series: Low Pressure
Diaphragm sensed - highly sensitive
Excellent repeatability
Very high flows at low pressures
DK Series: Improves sensing, control & resolution at medium flows & pressures
Diaphragm sensed
Captured & segregated vent
Remote controlled
High flow capacity
Dome and air load available
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54-2100 Series: High Pressure-Back Pressure
Accuracy: ±1% of pressure range
Hardened metal to metal seats for heavy duty service
Eight pressure ranges up to 15,000 PSIG
54-2300 Series: High Flow/High Pressure-Back Pressure
Control pressures to 10,000 PSIG
Flow capacity: Cv = 1.6
Excellent crack to reseat ratio
Hardened metal to metal seats for heavy duty service
54-2700 Series: High Flow/Back Pressure
Flow capacity: Cv = 5.0
Choice of dome loaded, spring loaded, or air ratio device
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54-2000 Series: Low Flow/High Pressure-Reducing
Rugged design, high pressure service
Hardened metal to metal seats for heavy duty service
System pressures to 20,000 PSIG
Captured venting standard
54-2200 Series: Medium Flow/High Pressure-Reducing
High flow capacity: Cv = 2.0
Hardened metal to metal seats for heavy duty service
Self-venting is standard
54-2800 Series: High Flow/High Pressure-Reducing
Flow capacity: Cv = 8.0
Inlet & outlet pressures up to 5,000 PSIG
Choice of air ratio or dome loading
Hardened metal to metal seats for heavy duty service
26-2000 Series: High Pressure Reducing
Designed for both hydraulic and pneumatic service
Captured vent standard
Designed for heavy duty shock and vibration service
Choice of metal to metal or soft seat
Compatible with TESCOM Electronic Controllers
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DOPAG material pressure regulators (MPR) reduce the pressure of the incoming material to the optimum operating pressure.
As well as accurately regulating material pressure, these valves will also compensate for pulsations that occur as a result of the reciprocating action of piston pumps.
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