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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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Designed to precisely control the flow of adhesives and sealants during automated dispensing applications, this compact and lightweight valve mounts easily onto either the end of a robot arm or an XY table.
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High tech and sturdy air operated valve, with a floating
plug seal, meeting stringent use criteria.
An extra thick body of the actuator and of the valve, ensuring a good resistance to mechanical and thermal distorsions.
A modular design enabling the following configurations:
Shut off valve DCX3 L
DCX3 T
DCX3 X
Divert valve DCX4 L/L
DCX4 T/L
DCX4 L/T
DCX4 L/X
PFA seals quality ensures a complete sealing at high temperature and a good resistance to aggressive products.
Plastomer seal can be replaced by elastomer seal
Single or double acting connection
With plastomer seal, vertical setting up (especially for DCX4)
Dimensions 1” - 1-1/2” - 2” - 2-1/2” - 3” - 4” - 5” - 6” Material
Body: 316L stainless steel
Shut-off unit: 316L stainless steel
Manual or automatic operating devices: 304 stainless steel
Plug seal: PFA and elastomer
Stem seal: viton, EPDM, silicone
Options
• Signal back equipment on the top of the actuator
• Sterilization of the stem through an upper guide bearing
• External = 47 RA max (150 grit)
• Internal = 32 RA max (180 grit)
Upgraded finishes upon request:
Surface Finish
Variants
Plug and body machined for a metal to metal sealing (without seal)
Elastomer sealing (specific plug with viton, EPDM o-ring)
Manual operator device (instead of the actuator
Tank bottom type
Long stroke valve available upon request
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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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Flow-control-valve
Flow-control-valve lor direct mounting. Optional: Flow-control combined with ball-valve Mounting position: all directions Medium: HLP46
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These valves control the reciprocating and rotating speed of hydraulic actuators, A variety of flow control valves including pressure and'or temperature-compensated Mow control valves is available.
Flow Control Valves/Flow Control and Check Valves
These valves are pressure and temperature compensating type valves and maintain a constant flow rate independent of change in system pressure (load) and temperature (viscosity of the fluid). They control the speed of the actuator precisely. The valves with an integral check valve allow a controlled flow and reverse free flow. Repeated resetting can be made easily with a digital readout.
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Various type of pressure control valves are available, from relief valves to pressure switches, to control the pressure at suitable level in the hydraulic system.
Low Noise Type Pilot Operated Reliel Valves
Pilot operated relief valves here have been particularly developed as low noise type. To protect the pumps and control valves from an excessive pressure, the valves are used to control the pressure in the hydraulic system to constant level. The remote control and unloading can be done by using the vent circuit.
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The fine threads of the needle valve permit excellent adjustment for precise control of flow. The flow is restricted in both directions and is adjustable from 0 to the equivalent flow of a 0.025" diameter orifice. The 7-turn adjustment needle valves are available in two models, the standard model and the fine adjustment model. The standard adjustment model has a pin angle of 6° with 10-64 threads; the fine adjustment model has a pin angle of 4° with 10-80 threads.
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Connection guaranteed: a wide range of functions and variants - always harmonised to the respective requirements.
• Exhaust air/supply air flow control or without non-return function
• Flow rate 15 ... 4,300 l/min
• Threaded connectors M3 ... G3/4
• Push-in fittings QS3 ... QS 12 or PK-3 ... PK-6
• Variants with increased corrosion resistance
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LS-V05C
Proportional Pneumatic Control Valve
The LS-V05C is an enhanced version of the LS System proportional, directional control pneumatic valve for high performance applications such as medical equipment, test & measurement systems, advanced automation and animatronics. The valve is designed to be paired with Enfield Technologies driver or controller/driver electronics such as the LS-C10, LS-C41, and C2s.
Features:
* Proportional
* High Speed and Flow
* Whisper Quiet
* Vacuum Capable
* High Linearity
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General Description
Uni-directional
316 Stainless Steel or Brass in-line flow regulators for uni-directional operation (free flow return).
Bi-directional
316 Stainless Steel or Brass in-line flow regulators for bi-directional operation (separate flow control in each direction).
Operating Fluids
- Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases.
Sour gas option available
- Liquids
Low pressure hydraulic, mineral oil or water.
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The miniature Preset Flow Control is ideal for many applications involving pneumatic systems, including the control of cylinder speed.
The operation of the flow control is based on the movement of a small disc. The flat surface on one side of the orificed disc seals and permits flow through the orifice. The amount of flow permitted in the reverse direction is determined by the orifice size. In the forward direction full flow is permitted. The flow controls design allows a maximum supply pressure of 75 PSI with a minimum cracking pressure of less than 10” H2O. Orifice sizes are available from .004” to .040”.
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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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MODELS :
V2FIC02 Mounting (subplate)
V2FIC03 Mounting (subplate)
SIZES : 3/8 " TO 3/4"
Max. Pressure : 500 psi(350 bar)
FLOWS : 13 - 29 gpm / 50 - 110 lpm
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A breakthrough lightweight 2multi-port valve that provides high-flow processing in single, duplex or triplex configurations.
Modularly expandable, allowing for the addition of extra tanks to meet increased demand
Elite Smart Start, the most advanced controller on the market today
Certified to NSF-61 standards
Robust, non-metallic design
Unique start signal is easily integrated into complex control systems
Capable of co-current or countercurrent regeneration of ion exchange
High backwash flow rates allow for effective backwashing of filter media.
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APPLICATION:
To control the flow of Water, Air, Gas, Solvents, Vacuum and any other fluids not reactive with construction materials and free of sediment. Buna N seating of the pilot and main orifices make the valves ideal for TIGHT SEATING, LOW PRESSURE and LOW FLOW conditions. Valve operates from zero to maximum differential pressure indicated in table. Valve must be mounted in horizontal pipe with solenoid enclosure vertical and on top.
OPERATION:
Valve closes when energized and opens when de-energized. When the coil is energized the plunger presses the poppet, closing the pilot orifice, and opens a bleed passageway to permit pressure to build above the piston and seat it. Upon de-energizing the coil, the pilot orifice is opened, relieving the pressure above the piston allowing it to leave its seat. The bottom spring allows the valve to operate at zero pressure drop.
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The Brand, Series 83 is a two port, non-adjustable, pressure compensated, inline flow control, with free reverse flow. The amount of flow is determined by the diameter of the orifice in the compensator piston. The spring and piston are held in place when it is connected to an #8 SAE male fitting. This flow control is inexpensive and gives the customer the ability to change the flow rate by swapping the piston with another that has a different size orifice.
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Flow rate control valve for automatic regulation of a constant flow rate in the case of changing supply pressures.
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FEATURES:
- DIAMOND LAPPED SPOOL BORE provides consistent spool fit with low leakage.
- O'RING PORTS to eliminate leakage.
- EVERY EFC IS TESTED for shutoff, linearity, max. flow, crack open and pressure compensation.
- STANDARD 3-PORT allows for pressure compensated flow out of the CF and EX ports.
- MANUAL OVERRIDE when electrical power is lost.
- OPTIONAL 2-PORT allows for pressure compensated flow out of CF port.
- OPTIONAL FREE REVERSE FLOW allows fluid to move from the CF port to the inlet.
- OPTIONAL HIGH LIFT RELIEF.
SPECIFICATIONS:
- See flow chart for capacity.
- 3000 psi (207 bar) rating.
- Weighs 8-1/2 lbs. (3.9 kg).
- Standard Port size #12SAE (1-1/16 - 12).
- 10-Micron Filtration Recommended.
- Pulse Frequency (90 to 115 hz).
- Coil
* 12 VDC standard (24 VDC).
* 9.6 ohms (48 ohms).
* 15 watts (15 watts).
* 1.0 amp max (0.5 amp max.).
- Response Time.
* 0.035" Standard dash pot (375 ms).
* 0.020" Dash pot (900 ms).
* 0.093 Dash pot (175 ms to 350 ms depending on flow).
- Spool leakage (50 ml/min. @1000 psi on EX port).
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- Adjustment Options for FC, FR, NV, MR Series Valves (Tech. Ref. Info.)
- Needle Valves and Rotary Flow Control
- Flow Controls, Free Flow
- Flow Regulators, Pressure-Compensated, Fixed Setting
- Flow Regulator, Restrictive, Adjustable
- Flow Regulators, Pressure-Compensated, Priority Bypass, Fixed Setting
- Flow Regulators, Pressure-Compensated, Adjustable
- Flow Regulators, Fixed Orifice, Bi-Directional
- Flow Controls, Bypass, Adjustable Orifice
- Flow Regulators with Pressure Relief
- Pressure Compensators
- Pressure Compensators, Load Sensing
- Flow Dividers / Combiners
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- MODEL: RF-G02
- MAX. PRESSURE PSI: 3000
- PRESSURE ADJ. RANGE: 100-1000, 500-2000, 1000-3000
- RATE FLOW LPM: 16
- BOLT METER: M5*40L 4 PCS
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- Pressure Control Adjustment Options (Tech. Ref. Info)
- Motion Control Valves
- Relief Valves, Poppet-Type
- Relief Valves, Pilot-Operated, Spool-Type
- Relief Valves, Bi-Directional
- Cross-Over Relief Valves
- Thermal Relief Valve
- Pressure Reducing / Relieving Valves
- Sequence with Pilot and Internal Vent
- Sequence with Pilot and Drain
- Sequence with External Pilot
- Sequence, Kick-Down
- Unloading Pilot
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Angle Flow Control valves are designed to provide accurate flow control in a compact, labor saving package. Features like built in push-in fittings, pre-applied thread sealant, convenient swivel design and unique needle design all add up to a package that will save time, money and energy when accurate control is needed on pneumatic actuators.
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The Porter Model EPC Electronic Proportional Control Valve is an electromagnetically-actuated, proportional control valve designed for use in closed loop flow or pressure control systems. When coupled with a flow sensor or pressure transducer and a proportional electronic controller, Model EPC is capable of providing steady and precise control of gas flow rates or pressures. The Model EPC is a DC-driven, normally-closed valve which includes an elastomeric valve seat to provide bubble-tight shut-off. A broad range of flow coefficients (Cv’s) is available for either flow or pressure control.
The Model EPC is offered with either integral compression fittings for in-line mounting or as a manifold-mount version. To allow design and user flexibility, custom configurations in OEM-scale quantities are also available.
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KOFLOC 2203
The KOFLOC Variable Secondary Pressure Flow Controller Valve MODEL 2203 SERIES is a control valve for precise control of minute gas flow and maintaining constant flow under fluctuating secondary pressure (outlet), provided the supply pressure remains constant. This characteristic makes it a must-have preliminary valve in many flow control mechanisms. Constructed using high precision parts, the design of the MODEL 2203 SERIES transforms the rotation of the regulating screw to into linear motion of the needle without subjecting it to gaps and vibrations produced by the screw, to ensure stable and even control of minute flow.
FEATURES
♦ Excellent flow stabilization
♦ Clean construction
♦ Independent from secondary pressure fluctuations
APPLICATIONS
♦ Gas chromatography
♦ Environmental analysis
♦ Atomic absorption spectrometry
♦ Gas mixing
♦ R&D
♦ General industrial use
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KOFLOC 2412/2412M
The KOFLOC Precision Needle Valve MODEL 2412 SERIES is designed to control minute flows with precision and ease, controlling minute flow stably and accurately, as low as 0.5 ML/MIN. It has been widely used in numerous applications from general industrial applications to analytical equipment such as AAS (Atomic absorption spectrometer). The needle orifice of the MODEL 2412 SERIES has a temperature compensating structure (US P.A.F.) achieving the characteristic of 0.3%/˚C for gas temperatures between 15 ˚C to 35˚C. MODEL 2412 SERIES includes 15 different needle valves to offer optimum flow control corresponding to various flow levels MODEL 2412M SERIES with Multi-Dial is a precision needle valve with a radial gauge to give simple means to approximate flow volume
FEATURES
♦ Accurate control of minute flow
♦ Wide needle variation
♦ Non-rotating needle
♦ Wide operating temperature range
APPLICATIONS
♦ Atomic absorption spectrometer
♦ Burn control
♦ Research and development
♦ Air sampler
♦ Filter testing
♦ Burn control
(2412M)
♦ Can be used as a substitute for a flowmeter
♦ Detection of flow pass resistance fluctuations
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The valve is well suited for transferring and evacuating liquid, quantitative dispensing, and the flow range can be controlled.
Technical Features:
1. Uncontaminated flow.
2.Compact size.
3.Adjust flow range precisely.
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Cryogenic Pressure Regulator
Size range : DN15 1/2"
Pressure rating : Up to 50 BAR
End connections : Please contact technical department
Configurations : 1. PBU, economiser and ball check 2. PBU only (no economiser) 3. As item 1 + angle check
Materials : Bronze, gunmetal, austenitic stainless steels
The Bestobell cryoreg provides all of the pressure regulation functions of any cryogenic storage tank. It combines a pressure build up regulator, economiser valve and a thermal relief valve on two of the three ports
The Cryoreg is designed to provide all pressure regulation functions within one valve. Standard body material is bronze, yet also available in stainless steel. For use on all cryogenic pressure vessels including static tanks and transportable tanks, the Cryoreg valve combines all the following functions in one unit:
1. Pressure build up regulator
2. Economiser valve
3. Thermal relief* on two of the ports
* The Cryoreg provides thermal relief into the economiser outlet port for either of the other two ports (pressure build-up inlet and economiser inlet port). If a stop valve (as opposed to the Bestobell check valve) is fitted to the economiser outlet port, a thermal relief valve should also be fitted.
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