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These 2/2-way ball seated directional valves are either directly or pilot actuated by a solenoid. With the directly actuated version the valve passage is opened or closed by a cone whereas with the piloted a piloting duct of a stepped piston is opened or closed generating a pressure difference at the opposing facial areas of the piston forcing it in the open or closed position.
Type EMP is a proportional valve, acting like a throttle but with zero leakage in blocked position. The dampened version will increase the switching time for on/off controls (hydraulic ramp). The wet armature solenoids for the valve actuation are pressure resistant, where all moving internal parts are flushed by oil.
There is a wide range of connection blocks either for pipe connection or for banjo bolt mounting, which may feature optional elements such as drain valve, by-pass throttle, pressure switch, 2-way flow control valve etc.
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Atos solenoid valves features:
• shell-moulding castings, mass-machined by transfer lines then cleaned by thermic deburring
• interchangeable spools
• exclusive wet solenoids
Flow up to 1000 l/min
Pressure up to 350 bar
Special execution:
• Safety - with spool microswitches
• Ex-proof - with Atex/Ul certification
• Stainless steel - for aggressive environment
• Military - rugged execution
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316 Stainless Steel, hydraulic control valves, zero leakage, for hazardous areas and severe environments.
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Technology continues to improve, so does the engineering Eaton builds into its proportional valves, that have both product breadth and width consisting of on board electronics (OBE) & non-OBE, full functionalities, complete sizes, different performance levels to meet various customers demands in Industrial and Mobile markets.
The KB family of proportional valves have integrated OBE with superior reliability and durability featuring digital electronics, IP67 environmental protection, reduced power consumption, valve enable, and ramp adjustment.
Benefits & Customer Values
- Less commission time (plug & play)
- Reduced installation cots (less wiring)
- Improved machine up time, productivity and quality
- Higher automation level and easier serviceability
Specs
- Rated pressure up to 350 bar/5000 psi
- Rated flow up to 700 LPM/185 GPM
- Function - direction, pressure, flow
- Size - NG6-32 (D03-10)
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These EH Series are compound products of hydraulic equipment using the latest electronic and sensor technology based on the reputable E Series proportional electro hydraulic controls. We have realized epochmaking easily usable hydraulic equipment with high precision and reliability by unifying ampiifier.sensor.digital data indicator which are required for proportional or servo control system into valves.and making them compact
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Proportional directional valves
up to 220 l/min and up to 350 bar
Nominal sizes NG3-Mini, NG4-Mini, NG6 and NG10
Direct operated - and pilot operated versions
Non load-compensated and load-compensated
versions
Proportional pressure valves
up to 100 l/min and 350 bar
Nominal sizes NG3-Mini, NG4-Mini, NG6 and NG10
Screw-in cartridges M18x1,5, M22x1,5, M33x2 in
accordance with ISO 7789
Pressure relief and pressure reducing functions
Direct operated - and pilot operated versions
Inverse functions
Proportional flow control valves
up to 65 l/min and 350 bar
Nominal sizes NG3-Mini, NG4-Mini, NG6 and NG10
Screw-in cartridges M18x1,5, M22x1,5,
M33x2 according to ISO 7789
Screw-in and plug-in cartridges according
to Wandfluh standards
Throttle - and flow control functions
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For all functions
3 different enhanced corrosion protection classes
K1 = Enhanced protection
K5 = High protection
K9 = Very good protection (all external parts made of stainless - and acid-resistant steel AISI 316L)
Internal parts made of standard materials
For mineral oil applications
K9 with reduced hydraulic characteristic data
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Types:
Two Way Spool Valves are available in Normally Closed and Normally Open types
Two Position, Three Way Spool Valves
Two Position, Four Way Spool Valves
Three Position, Four Way Spool Valve
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Proportional Control Valves are controlled by electronic Amplifier control boards, and are commonly called electro-hydraulics. These Proportional Valves control direction and the amount of fluid flow or can control the amount of pressure within a system.
Electro-hydraulic controls are especially useful in situations where system speed must be tightly controlled, or where ramping up and down is needed to avoid sudden starts or stops. Electro-hydraulics also provides precise control in applications where hydraulic pressure must be built up steadily.
Continental Hydraulics Proportional products can help increase production and reduce down time by minimizing the shocks that occur from sudden changes as compared to standard components.
In conjunction with precision valves, Continental Hydraulics provides Electronic Control Amplifier Cards. These Amplifiers come in a variety of mounting styles, signal conditioning, PWM and Dither, Acceleration and deceleration limiting and current sensing circuitry to work with and accurately control proportional products whether in open or closed loop systems.
Specifications
Proportional Valves - Flow and Pressure control products
Flow ranges - multiple nominal flow rates in each size
D03- .25 to 14 GPM / D05- 6 to 25 GPM / D08- 25 to 150 GPM
C10-3 cavity valves -0 to 9 GPM / C12-3 cavity valves- 0 to 20 GPM
Spool Metering options aid in matching the product to your application:
Equal metering circuits
Meter IN circuits
Meter OUT circuits
2:1 ratio metering circuits
1.3:1 ratio metering circuits
5 Pressure output control ranges from 0 to 4500 PSI
Fast Response
Extremely accurate and repeatable
Standard Mountings - NFPA and ISO Standard or Line Mount
"User Friendly" Electronics
With or Without onboard Power Supplies
Open Loop controls
Closed Loop controls - full PID loop control
Mounting - Panel / Euro-Card / Din 43650
Easy to Set Up - On Board L.E.D. Simplifies Startup and Adjustment
Dedicated function Amplifier cards
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- SP Valves and Coil Operating Parameters
- Proportional Directional Valves, 2-Way
- Proportional Directional Valves, 3-Port with Load Sense
- Proportional Directional Valves, 4-Way
- Proportional Directional Valves, 5-Way
- Proportional Flow Control Valves, 2-Way
- Proportional Flow Control Valves, 3-Way
- Proportional Flow Regulators, Pressure Compensated
- Proportional Flow Control Valves, Bi-Directional
- Proportional Pressure Control Valves, Relief
- Proportional Pressure Control Valves, Reducing/Relieving
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General Description
Check valves provide free flow in one direction and dependable shutoff in the opposite direction.
Series C
Features
Available with NPTF ports in 1/8", 1/4", 3/8", and 1/2" sizes.
SAE ported valves are available in SAE 6 and SAE 8.
Rated to 2000 psi (brass body) and to 5000 psi (steel body) max.
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APPLICATION
Options available to suit most industries and applications
Manual overrides to Integrated Hydraulics ranges of solenoid valve carridges
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- Manual Override Options (Tech. Reference Info.)
- Poppet-Type, 2-Way Valves
- Spool-Type, 2-Way Valves
- Poppet-Type, Blocking, 2-Way Valves
- Spool-Type, 3-Way Valves
- Poppet-Type, Blocking, 3-Port Valves
- Spool-Type, 4-Way, 2-Position Valves
- Spool-Type, 4-Way, 3-Position Valves
- Spool-Type, 5-Way, 3-Position Valves
- Spool-Type, 6-Way, 2-Position Valves
- Spool-Type, Drop-In Style, 2-Position Valves
- Spool-Type, 2-Way, with Internal Relief
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Flow control valves
MRP / MVR
These cartridge flow control valves provide pressure- independent division of a flow of oil into a constant flow and a surplus flow. Inlet flow maximum 40 l/min.
MTCA
These valves provide pressure-independent division of a flow of oil into a constant flow and a surplus flow. The two part-flows can be pressurized independently of each other. With integral pressure relief function.
MTKA
These valves provide pressure-independent division of a flow of oil into a constant flow and a surplus flow. The surplus flow can be pressurized and can therefore be routed to an additional actuator.
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The Skilmatic range is a self-contained electro-hydraulic valve actuation solution available for both quarter-turn and linear applications. The actuators incorporate sophisticated electronics that provide non-intrusive set-up and interrogation via an infra-red hand held remote. They are suitable for on/off, modulating and emergency shutdown duties in applications up to SIL 3.
•Linear thrust output 1.7 to 5500kN.
•Quarter-turn torque output 65 to 600,000Nm.
•Single-, three-phase or 24Vdc power supply options.
•Non-intrusive infrared setting & configuration.
•LCD display for position, pressure, diagnostics and fault indication.
•Optional bus communications via all major protocols.
•Partial stroke test capability.
•Watertight or explosionproof.
•Double-sealed terminal compartment.
•ATEX, FM, CSA, IEC and GOST certified.
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Electro-hydraulic valve actuators for positional, modulating and stepping control of globe, choke, plug, gate, ball, and butterfly valves, for hazardous areas and severe environments, these can be self contained with their own power packs and tank systems or be fitted into an existing hydraulic ring main circuit.
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Motorized hydraulic pump operates continuously,
ensuring positional control with continuous modulation
is available in addition to accumulator storage.
When the system is fully charged, the pump will automatically
unload with a signal from the integral pressure switch
ensuring no excessive heat generation.
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Actuation and control for turbo machinery:
Modern turbo machinery needs to fulfill two basic prerequisites - optimum operation and low impact on the environment. Voith Electronic Drive Systems are active in the field of positioners and control for turbo machinery.
This comprises actuation for gas turbines, steam turbines and compressors, such as for example complete valve assemblies (valve with servo motor), servo motors or pilot controls designed as I/H-converters and way valves for existing positioners and the control system Turcon (turbine control) for steam turbines and compressors.
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