Actuators are used in industry for controlling drive devices. On the market are modifications that differ from each other in operating voltage and frequency. The actuator circuit consists of a coil as well as an adapter.
Expanders are mainly used triple pole type. The conductivity of the models is a maximum of 300 microns. The maximum overload indicator starts at 40 A. In this case, the user is able to buy a modification for a drive device at a price of 30 thousand rubles.
The principle of operation of the device
The principle of the mechanism is based on changing the frequency. First of all, voltage is supplied to the coil. At this stage, current conversion occurs. In this case, the frequency fluctuates around 35 Hz. The adapter serves as an excellent conductor. An output shaft is driven through the motor. To stabilize it, an expander is used. For harmonic oscillations , the capacitor is responsible. Directly connecting devices through contactors.
Device use
Actuators can be used on drive devices of different capacities. As a rule, they are installed on conveyors. Also, models are actively used in ventilation systems. They are indispensable for adjusting gate valves. Also, modern modifications can be found on cranes. Some devices are allowed to be installed on plunger mechanisms.
What types are there?
By design, membrane, pneumatic and hydraulic devices are distinguished. Also, the separation of modifications is carried out by frequency. Models up to 40 Hz are most suitable for low power drive devices. Their conductivity index is on average 120 microns. There are also models with a frequency of over 40 Hz. Their conductivity is at the level of 150 microns. For powerful drive devices, mechanisms of this type are great.
Membrane device
Membrane regulatory bodies are produced at different frequencies. For ventilation systems, they are great. It is also worth noting that their conductivity index starts at 20 microns. Many modifications are made with two adapters. They have contactors in three phases. Extenders are quite often used bipolar type.
If we consider low-frequency devices, then they do not have a rheostat. Moreover, the shaft is not able to boast of increased frequency. Models are suitable for pump control. Pipeline parts can even be selected with compressors. The user is able to purchase a high-quality membrane mechanism on the market for 28 thousand rubles.
Pneumatic device
Pneumatic devices are rare in industry. Their frequency, as a rule, does not exceed 100 Hz. The rheostats of the models are used contact type. Some devices are well suited for plunger modifications. Their motors are used on 3 and 5 kW. The softness of the stroke in this case is provided by expanders. The coils are most often used low-voltage type, and the overload indicator is at 40 A.
Hydraulic modifications
Hydraulic devices are well suited for adjusting gate valves. According to experts, there are many modifications on the contact rheostats on the market. The main disadvantage is the reduced frequency. In this case, the contactors are used only in two phases. Some modifications are made with locks. Extenders for them are selected bipolar type. The conductivity parameter reaches a maximum of 130 microns. For powerful drive devices, these modifications are not the best way. You can buy a good executive device in the store for 33 thousand rubles.
The device of the PR-1M series
This actuator does a good job of controlling drive devices. His coil is able to withstand large overloads. It is also worth noting that the modification is equipped with a three-pole extender. The rheostat of the model is available with a sensor.
Special attention in the PR-1M deserves a blocker. The failure rate of the model is only 0.2%. The output shaft starts very smoothly, and its wear is extremely low. The expander for the modification is installed behind the contactor. The model is suitable for adjusting the pumps. Pipeline parts may be selected with compressors. The price of this mechanism fluctuates around 40 thousand rubles.
Features of modification PR-2
This mechanism is often used in ventilation systems. The input shaft is of small diameter. It is also worth noting that the modification is distinguished by high-quality rheostat, which is able to maintain a frequency of 55 Hz. The motor in the model is applied at 5 kW. In this case, the expander is used of a three-pole type, and its protection is applied to the KK50 series. In total, the model has three contactors.
For drive systems of low power, the modification is not bad. The coil is applied at 40 watts. Modulator as standard not available. The closure rate is within 33%. The lock for the modification is used with an adapter. The user is able to purchase the mechanism of the presented series at a price of 30 thousand rubles.
Model Parameters PR-5
This is an inexpensive and high-quality mechanism. For low power drives, it fits perfectly. The overload percentage is extremely low. The conductivity parameter in the device is maintained at 120 microns. In this case, the frequency fluctuates around 44 Hz. Many experts say that the coil is not afraid of large overloads. However, the expander burns out quite often. There is no interlock as standard. The motor for the model is selected with a power of 4 kW. The switch is used end type, and it works very smoothly. The price of this mechanism starts from 44 thousand rubles.
The device of the IM-41 series
The presented mechanism is classified as a pneumatic device. In production, modification is found in plunger devices. According to experts, the coil is of low-voltage type, and the overload indicator fluctuates around 40 A.
It is also worth noting that the modification uses a blocker that works without failures and is equipped with a KK30 class protection system. The electric valve is fixed on the contactors. The motor for the device is selected for 3 kW. Anchor in this case is missing. The failure rate is in the region of 0.4%. Some experts say that the modification quickly overheats. However, it is important to note that the maximum working temperature of the mechanism is 45 degrees. The output shaft is applied at 3.2 cm.
In total, the model has three contactors that are installed behind the output shaft. A modulator for this mechanism is missing. For ventilation systems, the device is not suitable in the best way. The closure factor is on average 34%. The user is able to purchase this mechanism at a price of at least 40 thousand rubles.
Features of the modification of IM-44
This mechanism is made specifically for ventilation systems. If you believe the reviews of experts, then its conductivity is provided at 55 microns. It is also worth noting that the model is sold with only one modulator. In total, she has two contactors. They are installed as standard, behind the shaft. Actuators are controlled through a wire type rheostat. The device is suitable for powerful drive mechanisms.
Smoothness is ensured by the expander. In this case, it is used bipolar type. The switch for this modification has an end type. The failure rate of the model is extremely low. It is also important to note that the model is often installed on plunger mechanisms. The user is able to buy this device at a price of 45 thousand rubles.
Parameters of the IM-48 model
This membrane actuator is made with a dipole modulator. If you believe the experts' opinion, then for low-power drive devices, the model fits perfectly. The central unit is installed with two adapters. It should also be noted that the model has one 40 W coil. Protection applies class KK40. In this case, the motor is used at 4 kW. The output shaft in this case is available at 35 centimeters.
The expander is standardly used in the bipolar type. The closure rate does not exceed 0.5%. It should also be noted that the conductivity of the mechanism is quite high. The circuit breaker in this case is used of the end type. According to experts, the output shaft is gaining momentum very smoothly. However, the manufacturer does not provide a zener diode for the mechanism. The user is able to purchase a device of this series at a price of 38 thousand rubles.
BP-20 series device
This actuator is made for low power drive devices. The modification coil is designed for 40 watts. The protection system is used by the KK40 series. According to experts, the conductivity is maintained at around 140 microns. The contact blocker is missing in this case. Modification is suitable for adjusting the plunger.
The output shaft is used at 3.4 cm. In this case, the corrector is used in the PK50 class. The threshold resistance of the device is 55 ohms. The expander is installed by the manufacturer of a three-pole type. For gate valves, the model fits well. The operating temperature of the mechanism is a maximum of 45 degrees. The modulator is used dipole type. The user can buy this device for 33 thousand rubles.
Features of the BP-22 modification
The specified actuator relates to pneumatic devices. The modulator he uses is a resistive type. It is also worth noting that only one adapter is used. The softness of the shaft travel is ensured by a high-quality expander. The anchor in this case is of a wired type. There is no rheostat as standard.
The model has a motor of 3 kW. The operating frequency of the device is only 58 Hz. The corrector for the model is used in class PE55. In total, the modification has three contactors. Special attention deserves the high parameter of the operating temperature, which is at around 55 degrees. The user can purchase the actuator of the presented series for 38 thousand rubles.
MEO-23 model parameters
This automatic control system stands out for its high output impedance. For drive modifications, the device fits well. The coil of the model is designed for 14 watts. Protection applies class KK40. It is also worth noting that the rheostat is used wired type. Softness in this case is provided by the expander. According to experts, motor failures occur infrequently. There is no blocker in the model.
The pressure reduction rate is at 55%. The sensor in this case is not provided by the manufacturer. For cranes, the modification is great. The motor as standard is 4 kW. The operating frequency of the mechanism is maintained at 55 Hz. The switch in the device uses the end type. This system of automatic regulation is worth about 35 thousand rubles.
MEO-250 series device
The specified actuator MEO is made with one input shaft. If you believe the reviews of experts, the contact blocker for the modification is used in high quality. It is also worth noting that the model is equipped with a wired adapter. The protection system is used in class KK44. At the same time, the closure indicator maximum is 43%.
The modulator of the MEO-250 is installed dipole type. The electric valve is mounted on contactors. With overloads of 40 A, the modification copes without problems. The switch in the model is used end type. The user can buy the MEO actuator at a price of at least 33 thousand rubles.
Features of the modification MEO-260
This electric single-turn actuator is often used on cranes. For drive units, modification is also suitable. The rheostat of the model has a wired type. The motor is used at 4 kW, and the protection system is available in class KK40. In accordance with expert reviews, problems with the sensor are quite rare. The softness of the output shaft is ensured by a single-pole expander.
The threshold resistance of the system is at around 33 ohms. The pointer block for the modification is available. It is also worth noting that the mechanism is often used in ventilation systems. The operating temperature of the device is at least 40 degrees. The actuator of this series can be purchased at a price of 46 thousand rubles.