Electro-hydraulic Valve Remote Control System
The device controls the inner and reverse of the electric motor inside the electric actuator through a button or knob provided on the control box of the control room, thereby controlling the opening or closing of the valve. Among them, the “control box” can be installed in the control room or in an easy-to-operate place.
Electro-hydraulic valve remote control system consists of workstation (including valve control box) and electro-hydraulic valve. The electro-hydraulic valve has its own small electro-hydraulic pump unit, which acts as a hydraulic power element to provide hydraulic power to the hydraulic actuator installed on the valve. The system only needs to connect with the electro-hydraulic pump unit through the cable, can carry on the remote control to the electro-hydraulic valve in the workstation. The electro-hydraulic pump unit is equipped with emergency operation interface. In the condition of remote control failure, the valve can be manually changed by emergency.
Electro-hydraulic valve remote control system does not require traditional hydraulic pumping station and solenoid valve box.
Electro-hydraulic Pump Unit :
EHP series of electro-hydraulic pumps, as a small hydraulic power source unit, can be directly installed on the valve or installed near the valve (connected to the hydraulic actuator of the valve through the hydraulic pipeline), so that its valve can be remotely controlled.
Control mode :
1. Point-to-Point (Common Mode)
2. Bus Mode
3. Ring network mode
4. power carrier mode
EHP-A3 Double-acting Mini Electro-hydraulic Pump Unit
As a micro hydraulic power unit, the EHP-A3 electric-liquid pumping station is used to remotely control the double acting driver installed on the valve, so that the valve rotates between the fully closed and fully open positions.
• Control voltage : 24VDC
• Oil barrel oil quantity : 300cm3
• Ambient temperature : -15℃~+60℃
• Levels of protection : IP56/IP68
• Hull : cast aluminium
• Working pressure : 5.5~12MPa
• Hydraulic fluid : ISOVG15
• Maximum pressure: 12MPa
• Installation: Integrated/separated
EHPS-A3 Single-acting Mini Electro-hydraulic Pump Unit
As a small hydraulic power unit,EHP-Ssingle-acting electric-liquid pumping station provides hydraulic power for the single-acting driver installed on the valve, so that the valve connected to it can open and close.
• Oil tank capacity : 6.5 L
• Hydraulic oil : ISO HM32
• Control voltage : 24VDC
• Ambient temp : -15℃~ +60℃
• Protection : IP68
• Max. oil capacity of actuator : 3.4L
• Max. outline : 460×310×290(mm)
• Volume flow : 1.5L/min, 5L/min
• Working pressure : 8MPa
• Installation : Integrated/separated
• Max. pressure : 12MPa
EHP-E1 Explosion-proof Mini Electro-hydraulic Pump Unit
Explosion-proof of EHP electro-hydraulic pump is a small integrated hydraulic power source. It is suitable for use as a power unit for a single hydraulic control valve. It can also be directly installed on a hydraulic control valve to form an integrated structure with the valve. EHP electro-hydraulic pump is available in hazardous areas.
• Control Voltage ：24VDC
• Maximum Working Pressure ：13.5MPa
• Pump Output Flow ：1.5L/min,5L/min
• Explosion-proof Grade : EXd ⅡC(H2) T4 Gb
• Working Environment : dry installation
• Operating Temperature ：＋55℃~－20℃
• Hydraulic Oil Model : anti-wear hydraulic oilHM32, HM15 below 5 ℃
• Max pressure: 12MPa