FULLY CLOSED STATE FULLY OPEN STATE INTENDED USE MANUAL VALVE VALVE TYPE USE AS AUTOMATIC VALVE 005 TYPES AND FEATURES OF MAJOR VALVES DIAPHRAGM VALVE OPENS AND CLOSES THE GATE AT THE CENTER OF THE VALVE BY MOVING UP AND DOWN THE DIAPHRAGM. ・ THE FLOW MAY BE EITHER FROM THE RIGHT OR LEFT. BUTTERFLY VALVE OPENS AND CLOSES THE FLOW PATH BY TURNING THE DISC VALVE ELEMENT 90°. ・ THE FLOW MAY BE EITHER FROM THE RIGHT OR LEFT. ・ ALTHOUGH DIVIDED INTO TWO BY THE VALVE ELEMENT, THE FLOW IS ALMOST STRAIGHT. SWING CHECK VALVE BACKWARD FLOW OF THE FLUID MAKES THE VALVE ELEMENT PRESSED ONTO THE VALVE SEAT, WHICH PREVENTS BACKFLOW. ・ THE DIRECTION OF FLOW IS FIXED. ・ THE FLOW IS ALMOST STRAIGHT. STOP VALVE (GLOBE VALVE) THE VALVE ELEMENT SHUTS OFF THE FLUID TO CONTROL OPEN AND CLOSE. ・ THE DIRECTION OF FLOW IS FIXED. ・ THE FLOW FORMS AN S SHAPE. GATE VALVE THE VALVE ELEMENT BLOCKS THE FLUID PASSAGE PERPENDICULARLY TO CONTROL OPEN AND CLOSE. ・ THE FLOW MAY BE EITHER FROM THE RIGHT OR LEFT. ・THE FLOW IS STRAIGHT. BALL VALVE OPENS AND CLOSES THE FLOW PATH BY TURNING THE SPHERICAL VALVE ELEMENT 90°. ・ IN PRINCIPLE, THE FLOW MAY BE EITHER FROM THE RIGHT OR LEFT. ・ THE FLOW IS STRAIGHT. Various other types of valves are also available. ・ INSULATES THE WETTED PART FROM LOWCONTAMINATION GREASE AND METAL PARTS ・ FLOW RATE CONTROL ・ SLURRY FLUID ROUND HANDLE TYPE AVAILABLE AVAILABLE AVAILABLE NOT AVAILABLE AVAILABLE ( COVNALTVREOL ) LEVER TYPE LEVER TYPE GEAR TYPE .. ROUND HANDLE TYPE ROUND HANDLE TYPE CAP TYPE ・ LOW PRESSURE LOSS ・ SWITCHING OF FLOW DIRECTION (3 WAY BALL VALVE) ・ ON-OFF ・ LARGE FLOW RATE ・ SPACE SAVING ・ SLURRY FLUID ・ LOW PRESSURE LOSS ・ FLOW RATE CONTROL ・ BACK-FLOW PREVENTION ・ HIGH ACCURACY CONTROL ・ LOW PRESSURE LOSS ・ ON-OFF NOT AVAILABLE