VRCS for Offshore Use / Operating Systems (Hydraulic and Pneumatic Equipment) MIMIC DIAGRAM STARTER PANEL ELECTRIC MOTER DIRECT TYPE VALVE POSI.TRAMS. HYD.POWER UNIT CONSOLE ELEC.OPERATED B.T.F.V. HYD.OPERATED B.T.F.V. （DOUBLE CYLINDER TYPE） HYD.OPERATED B.T.F.V. （SINGLE CYLINDER TYPE） SELF-SEAL COUPLING BLOCK PRESSURE RANGE SOLENOID VALVE BOX LOW MID. HIGH PRESS.: PRESS.: PRESS.: 6.9MPa（ 70K）. 9.8MPa（100K）. 13.7MPa（140K）. 5.0‒ 8.0‒ 12.0‒ 6.0MPa 9.0MPa 13.0MPa MAX. NOR. CONSOLE EMERG.HAND PUMP SOLENOID VALVE BOARD CONTROL CONSOLE I.S.BARRIER PANEL FOR VRCS DRY SPACE DRY SPACE DRY SPACE DRY SPACE IN TK. IN TK. IN TK. ON DK. SYMBOL :HYD.OIL LINE :ELECTRIC LINE The following systems are standard products. We can also build a system according to your requirements. Various combinations of valve operation, valve control, and valve indication methods, as well as hydraulic generators and hydraulic directional control valves, are available. The hydraulically driven valve can be remotely operated from a separate place such as a cabin by sending an electric signal to the solenoid valve from an operating switch on the control console to switch the direction of hydraulic pressure ow. The valve position can be remotely monitored by an in-line ow meter or a directly attached transmitter. Valve operation method Explosion-proof/ non-explosion-proof Hydraulic symbols Valve indication method Valve control method The hydraulically driven valve can be remotely operated from the equipment side by switching the hydraulic ow direction through local, manual operation of the hydraulic directional control valve. The valve position can be checked at the equipment side with an in-line ow meter. #1. In-line ow meter with a potentiometer. #2. In-line ow meter with a micro switch. #3. In-line ow meter with no electric device. ※1 ※2 ※3 ※3 Hydraulic Remote System (with a Remote Solenoid Valve) Hydraulic Remote System (with a Local Manual Valve) MANUAL VALVE SOLENOID VALVE Explosion-proof type/Non-explosion-proof type Non-explosion-proof type In-line flow meter type In-line flow meter type Transmitter type directly attached to a valve In-line flow meter type Transmitter type directly attached to a valve In-line flow meter type MANUAL VALVE VALVE POSITION INDICATOR SELF-SEAL COUPLING SOLENOID VALVE SOLENOID VALVE （P-PORT BLOCK） SOLENOID VALVE （ALL-PORT BLOCK） PILOT CHECK VALVE WITH RELIEF VALVE MANUAL VALVE （P-PORT BLOCK） MANUAL VALVE （ALL-PORT BLOCK） PILOT CHECK VALVE WITH RELIEF VALVE DIRECT TYPE DIRECT TYPE WITH POTENTIO METER WITH MICRO SWITCH VALVE POSITION TRANSMITTER SELF-SEAL COUPLING This is a method of adjusting the valve position as desired. This is a method to operate the valve either fully open or fully closed only. Three-position operation (free valve position type) This is a method of adjusting the valve position as desired. Three-position operation (free valve position type) Two-position operation (open/close type) This is a method to operate the valve either fully open or fully closed only. Two-position operation (open/close type) (Hydraulic and Pneumatic Equipment) Our hydraulically or pneumatically driven valve can be remotely operated from a control console or from equipment. For example, in the case of remote solenoid operation of a hydraulically driven butterfly valve, hydraulic pressure is generated by a hydraulic generator, and the valve is opened or closed by switching the pressure supply direction to the open or closed side of the drive unit (hydraulic cylinder) using a hydraulic directional control valve. The valve position signal is output to the control console for remote direction. 7 NAKAKITA VRCS PRODUCT CATALOG
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