United States
Micro regulator electronic proportional
Series K8P
Proportional regulator for the pressure control
Series K8P electronic proportional micro regulators have evolved from our Series K8 mini-solenoid valves. Series K8P regulators guarantee excellent pressure regulation, fast response times, self-regulation and low energy consumption.
Series K8P is a high performance proportional pressure regulator which is suitable for use in all applications where high precision, quick response times and low consumption are required.
The K8P regulator adjusts the outlet pressure through the operation of two K8 monostable valves according to the inlet signal and to the retroactivity of the internal pressure sensor. A self-adjusting function has been integrated into the regulator control algorithm to guarantee the highest levels of performance apart from the volume connected.
Series K8P is a high performance proportional pressure regulator which is suitable for use in all applications where high precision, quick response times and low consumption are required.
The K8P regulator adjusts the outlet pressure through the operation of two K8 monostable valves according to the inlet signal and to the retroactivity of the internal pressure sensor. A self-adjusting function has been integrated into the regulator control algorithm to guarantee the highest levels of performance apart from the volume connected.
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| Fluids | filtered compressed air, unlubricated, according to ISO 8573-1 class 7.4.4, oxygen, inert gases (argon, molecular nitrogen) |
| Pressures | Regulated pressure 0,5 ÷ 10 bar 0,15 ÷ 3 bar 0,35 ÷ 7 bar 0,05 ÷ 1 bar Max inlet pressure 11 bar 4 bar 8 bar 1,5 bar |
| Working temperature | 0 ÷ 50°C |
| Analogical input | 0-10 V DC 4-20 mA Ripple ≤ 0,2% |
| Analogical output | 0,5 - 9,5 V [ Feedback ] |
| Analog input impedance | 20.000 Ω for versions 0-10 V 250 Ω for versions 4-20 mA |
| Maximum flow | 12 l/min with regulated pressure = 6 bar (IN Pres. 10 bar) 6 l/min with regulated pressure = 3 bar (IN Pres. 4 bar) 8 l/min with regulated pressure = 7 bar (IN Pres. 8 bar) 2 l/min with regulated pressure = 1 bar (IN Pres. 1,5 bar) |
| Supply / Use | 24 V - ~ 1 W |
| Function | 3/2 NC |
| Linearity | ≤ ±1% FS |
| Hysteresis | ±0,5% FS |
| Resolution | ±0,5% FS (referred to the command signal) |
| Repeatability | ±0,5% FS |
| Minimal set point change | 50 mV => 50 mB (10 bar) 100 mV => 30 mB (3 bar) |
| Electrical connection | M8 4 Pin (Male) |
| Protection class | IP65 (with standard sub-base or with single use) IP51 (with Light sub-base and Light Sub-base for the pressure remote reading) |
| In compliance with the European Directive 2004/108/EC |
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CODING EXAMPLE
| K8P | - | 0 | - | D | 5 | 2 | 2 | - | 0 | OX1 |
| K8P | SERIES |
| 0 |
BODY DESIGN: 0 = Stand alone S = Standard Sub-base L = Light Sub-base T = Light Sub-base for the pressure remote reading |
| D |
WORKING PRESSURE: D = 0 - 10 bar E = 0 - 3 bar F = 0 - 7 bar B = 0 - 1 bar |
| 5 |
VALVE FUNCTIONS: 5 = 3/2-way NC |
| 2 |
COMMAND: 2 = 0-10 V DC 3 = 4-20 mA |
| 2 |
OUTPUT SIGNAL: 2 = 0-10 V |
| 0 |
CABLE LENGTH: 0 = without cable 2F = straight cable, 2 m 2R = right angle cable (90 degrees), 2 m 5F = straight cable, 5 m 5R = right angle cable (90 degrees), 5 m |
| OX1 |
VERSIONS: = standard OX1 = for use with oxygen (in compliance with ASTM G93-03 Level E) |
|
APPLICATIONS The K8P proportional regulator can be used as a pilot valve to control the opening of high flow valves or to check the high flow pressure regulators proportionally (version with sub-base for the pressure remote reading). It enables proportional control of power in lifting systems and can be used with inert gas to maintain a constant pressure in pneumatic cylinders or expansion valve chambers. It has also been designed to maintain a constant pressure during the pulling power applied to the wires in winding machines, to modulate pressure during the smoothing process in woodworking machines or to adjust the opening of diaphragm valves. |
Series K8P electronic proportional micro regulator
M8 4-pole male connector
Pin 1: +24 V DC (Power supply)
Pin 2: Command analogical signal 0-10 V DC or 4-20 mA
Pin 3: 0 V (Ground) common also for the command signal
Pin 4: Output analogical signal (according to the regulated pressure)
5 Red LED
6 Green LED
| Mod. | Working pressure | Use with oyxgen | Command |
| K8P-*-D522-** | 0-10 bar | no | 0-10 V DC |
| K8P-*-E522-** | 0-3 bar | no | 0-10 V DC |
| K8P-*-D532-** | 0-10 bar | no | 4-20 mA |
| K8P-*-E532-** | 0-3 bar | no | 4-20 mA |
| K8P-*-B522-** | 0-1 bar | no | 0-10 V DC |
| K8P-*-F522-** | 0-7 bar | no | 0-10 V DC |
| K8P-*-B532-** | 0-1 bar | no | 4-20 mA |
| K8P-*-F532-** | 0-7 bar | no | 4-20 mA |
| K8P-*-B522-**OX1 | 0-1 bar | yes | 0-10 V DC |
| K8P-*-F522-**OX1 | 0-7 bar | yes | 0-10 V DC |
| K8P-*-E522-**OX1 | 0-3 bar | yes | 0-10 V DC |
| K8P-*-B532-**OX1 | 0-1 bar | yes | 4-20 mA |
| K8P-*-F532-**OX1 | 0-7 bar | yes | 4-20 mA |
| K8P-*-E532-**OX1 | 0-3 bar | yes | 4-20 mA |
** = all the cables can be supplied for all versions
