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pneumatic-hydraulic actuator
Is a self-actuator, the use of their own media pipeline pressure, that can drive the valve action, to achieve open or close the valve. The pneumatic-hydraulic actuator has simple working principle, safe and reliable control, and strong environmental adaptability, which can meet the harsh outdoor weather conditions.
The product directly uses pipeline natural gas as a power source. The pneumatic hydraulic system is designed according to the high pressure, and directly enters the air storage tank and the high pressure pneumatic control valve group without reducing the pressure by filtering and processing the air source. Under the action of the control signal, the high-pressure controlled gas enters the corresponding gas/liquid circuit, and the liquid medium uses the principle of equal pressure transmission to realize the gas-liquid synchronous transmission acting on the hydraulic cylinder of the valve driving device, thereby controlling the valve.
The product directly uses pipeline natural gas as a power source. The pneumatic hydraulic system is designed according to the high pressure, and directly enters the air storage tank and the high pressure pneumatic control valve group without reducing the pressure by filtering and processing the air source. Under the action of the control signal, the high-pressure controlled gas enters the corresponding gas/liquid circuit, and the liquid medium uses the principle of equal pressure transmission to realize the gas-liquid synchronous transmission acting on the hydraulic cylinder of the valve door driving device, thereby controlling the valve.
"Pressure is power" is the simple and perfect interpretation of the working principle of the pneumatic-hydraulic actuator. The gas pressure of pipeline natural gas is the power used by the gas-liquid linkage actuator to complete the control and realize the switch.
Can provide a variety of control methods according to user requirements
◆ Local control and remote control operation
◆ Local and remote control, emergency shutdown
◆ Local and remote control, power-on (power-off) accident safety
◆ Local control such as pneumatic control operation, hydraulic manual pump operation, remote prohibition/local maintenance operation
◆ Local control/remote control to achieve automatic partial travel switch test
Lithium battery power supply (optional external power supply and solar power supply)
General applications:
Multiple control modes can be provided according to user requirements for on/off type and adjustable angle stroke ball valves, butterfly valves, plug valves or damper baffles
Ambient temperature:
Standard range: -30 to 100°C ( -20 to 210 °F)
Selectable range: -55 to 150°C ( -65 to 300 °F)
Technical Data
Working pressure: 0.4 MPa-16MPa
Working medium: compressed air, purified natural gas, high pressure nitrogen, etc.
Torque range: 600000Nm
Innovatively designed dedicated, integrated, functional, cartridge-mounted hydraulic hand pump-A universal operation and synchronous self-locking multi-functional, hydraulic hand pump is a patented product invented by our company (patent name: a universal operation and self-locking hand pump, patent type: invention patent, patent number: ZL 201210115198.9), with a number of independent intellectual property rights.
Maikarson R & D personnel in the hand pump design emphasis on people-oriented. The control module of the entire actuator contains innovations that are based on improving the convenience and safety of operation.
Main advantages:
■ The operating handle can be rotated at an angle of 360 ° in the horizontal plane, with strong maneuverability.
■ The hand pump frame supports the handle to be inserted into the handle from three positions, and the operator is more humanized in terms of operating position and force mode.
■ The piston of the pump body can be synchronized to realize the self-locking of the hand pump, which can effectively protect the plunger and has higher safety
■ The operating space is greatly saved, and the operating handle is detachable. The installation space and packaging size are relatively reduced. The advantages of process pipelines in the dense installation layout of equipment are obvious.
electro-hydraulic linkage actuator
Electro-hydraulic actuator generally consists of four parts: actuator, control system, hydraulic station, control operation cabinet (control box) hydraulic system pressure low pressure to medium pressure to high pressure to 10 0.5 M P a 21 . 0M Pa 3 5 .2 MPa
Typical applications:
◆ Local and remote control, break the pipe emergency shut off the executive mechanism
Used with electronic broken pipe detection system. The system is used for long-distance oil and gas pipelines, where power supply is available but unreliable. The hydraulic control system is combined with the broken pipe detection system. When the pressure drop rate reaches the set value, the broken pipe detection system sends a signal to make the actuator close the valve. The combination of the electric hydraulic pump and the accumulator can reduce the power requirements of the hydraulic actuator.
◆ Local and remote control, electrical accident safety
When the actuator is working normally, the power supply is normal. When the system loses power, the valve is closed or opened according to the process requirements.
◆ Local and remote control, proportional adjustment
The hydraulic proportional system is selected to adjust the valve for occasions where the process requires high flow regulation accuracy.
◆ Local and remote control, servo adjustment
The hydraulic servo system is selected to adjust the valve when the process requires the flow adjustment accuracy to be linear and the opening degree to be strict.
◆ Solar powered hydraulic system
Especially used in the absence of power supply, gas supply conditions, such as long distance pipeline.
◆ Slow closing two-speed control
Parameters
◆ Patented design (patent name: a double-guided fork transmission box, patent type: invention patent, patent number: ZL 201210343414.5) parallel and double-guided fork transmission box can provide higher opening torque for stroke valves;
◆ Output torque to 4 0 0,0 0 0 N. m
The hydraulic medium hydraulic oil or other flame retardant hydraulic fluid
◆ ambient temperature-~ 10 0 ℃ special temperature according to customer requirements
Quick switch control
◆ For different types of valves, the valve can be quickly closed and opened within 0. 5 seconds
◆ To complete the quick switch function of the actuator can be a single-acting spring type, can also be a double-acting type
◆ The control valve adopts high pressure holding and zero leakage design
The solenoid valve, and other hydraulic control components integrated in the oil circuit block, can avoid leakage
◆ Hydraulic pipe general stainless steel material
◆ Control cabinet can choose carbon steel or stainless steel
Control function
■ Local control such as manual operation, local manual pump operation, local control cabinet operation
■ Local control and remote control operation
■ Local and remote control, emergency shutdown
■ Quick closing or opening
■ Local and remote control, power supply accident safety
■ Local and remote control, proportional adjustment
■ Local and remote control, servo adjustment
■ Solar power supply mode
■ slow closing double speed control
Quality Assurance
◆ ISO99001 quality system certification, all implementing agencies in strict accordance with the ISO9001 quality system for production
◆ When the actuator leaves the factory, 100% shall be inspected, and each set of electro-hydraulic linkage actuator shall be accompanied by a test report.
High/low pressure pneumatic actuator
Main technological innovation points and advancement:
DG series transmission box adopts the industry's unique parallel double-guide stability enhancement design (patent name: a double-guide shaft shift fork transmission box, patent type: invention patent, patent number: ZL 201210343414.5), which integrates the design concept of transmission stability enhancement for the first time, and is an upgraded product of common shift fork actuator.
Research and development of DG parallel double-guide fork transmission box: DG series parallel and double-guide fork transmission box with completely independent intellectual property rights, this structure completely changes the transmission and force of the traditional fork actuator, and greatly improves the transmission Efficiency and stability
■ Parallel dual-guide output transmission mechanism design with patented design (patent name: a dual-guide shaft shift fork transmission box, patent type: invention patent, patent number: ZL 201210343414.5):
Fixed trajectory and supporting function
■ The movement trajectory of the transmission slider is fixed, the movement deformation of the piston shaft is eliminated, and the transmission loss and the lateral force of the transmission shaft are avoided
■ The output shaft plays an effective support, reduces the generation of vibration, and greatly improves the transmission efficiency and movement stability
■ Eliminates the piston, piston shaft lateral force, and elastic deformation,
Extend seal life
■ The optimized design increases the overall strength, reduces the size, reduces the weight, improves the working (transmission) efficiency and reduces the occupied space, which solves the problem of "limited space" occupied by the station/valve room and offshore equipment,
Innovatively designed dedicated, integrated, functional, cartridge-mounted hydraulic hand pump-A multi-functional, hydraulic hand pump with universal operation and synchronous self-locking is a patented product invented by our company. Patent name: a double-guide shaft shift fork transmission box, patent type: invention patent, patent number: ZL 201210343414.5), Has a number of independent intellectual property rights.
Maikarson R & D personnel in the hand pump design emphasis on people-oriented. The control module of the entire actuator contains innovations that are based on improving the convenience and safety of operation.
Main advantages:
■ The operating handle can be rotated at an angle of 360 ° in the horizontal plane, with strong maneuverability.
■ The hand pump frame supports the handle to be inserted into the handle from three positions, and the operator is more humanized in terms of operating position and force mode.
■ The piston of the pump body can be synchronized to realize the self-locking of the hand pump, which can effectively protect the plunger and has higher safety
■ The operating space is greatly saved, and the operating handle is detachable. The installation space and packaging size are relatively reduced. The advantages of process pipelines in the dense installation layout of equipment are obvious.
hydraulic actuator
Features:
◆ The external hydraulic source on the customer site is the highest. The hydraulic actuator is equipped with control panel and control accessories 35MPa
◆ Patented design (patent name: a double guide shaft fork transmission box, patent type: invention patent, patent number: ZL 201210343414.5) series parallel, double guide fork transmission box can provide higher opening torque DG for angular stroke valves
The combination structure bearing can provide reliable and smooth operation, and extend the service life of the actuator
The hydraulic system of high-pressure power, so that the hydraulic actuator has a smaller weight than the pneumatic, electric and other actuators
◆ Oil tanks, hydraulic pumps, accumulators, etc. are organically combined according to user requirements to form a stable and reliable hydraulic power source, which can meet both ordinary needs and low power supply reliability.
◆ The combination of pressure, flow rate, control valve and rich electrical control components form various hydraulic control systems, which can meet the different functions and protection requirements of users. The incompressibility of hydraulic medium, zero leakage of the system and high pressure holding are realized, so that the hydraulic actuator has extremely high positioning characteristics.
◆ It can realize emergency self-protection functions such as valve power loss opening and closing.
◆ Can realize the valve fast closing and fast opening function
◆ In high temperature flammable occasions can be used as a medium of flame retardant hydraulic liquid (such as water-ethylene glycol emulsion, etc.)
◆ Provide asymmetrical and symmetrical shift forks for valves with different characteristics
◆ The external travel limit bolt is accurately adjustable within the range of 90±5 ° in the whole process
Features:
1. The hydraulic source pressure can reach 35MPa, and the actuator has its own control panel. 2. The hydraulic actuator has its own control panel and control accessories.
3. Output torque: single-acting 1000-250000Nm, double-acting 100-550000Nm
4. Mode of action: single and double action
5. Manual hydraulic hand pump, hydraulic manual device that can provide independent test function.
6. Applicable environment: standard range:-30 to 100 ℃(-20 to 210℉) Optional range:-55 to 150 ℃(-65 to 300℉)
7, Executive agency protection grade IP68 all-weather outdoor
8. Explosion-proof grade of electrical part: Exd IIC T4/T6
9. Stainless steel pneumatic control box: protection grade IP65
10. Electrical accessories: solenoid valve, limit switch box, position transmitter, junction box
11. Application: switching, regulation, ESD, fast shutdown, position retention adjustment
12. Applicable valve type: 90 ° angle stroke, ball valve, butterfly valve, plug valve or damper baffle
CHENGDU MKSVC
Address: No. 1093, Section 4, Xihangang Avenue, Southwest Airport Economic Development Zone, Shuangliu District, Chengdu, China (Sichuan) Pilot Free Trade Zone
Telephone:028-85865613
Tel: 18382010388
Q Q: 724541190/3452997899/2721458557
Mailbox:cdmks@mksvc.com.cn
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