Manufacturer: NIHON KOSO CO., LTD.
Model: 6400RB/6500RA/7300RB

Features

6400RB

• Large Torque Cylinder
• 4 Piston Scotch Yoke type Pneumatic Actuator
• Output Shaft Rotating angle/90° or 60°

6500RA

• Middle Torque Cylinder
• 2 Piston Scotch Yoke type Pneumatic Actuator
• Output Shaft Rotating angle/90° or 60°

7300RB

• Middle Torque Cylinder
• 2 Piston Rack & Pinion Pneumatic Actuator
• Output Shaft Rotating angle/90° or 60°

Specifications

6400RB

Type code	Double Acting type
	6420RB	6428RB
Size	200	280
Output N·m at 500KPa	9370	20500
Air supply	Double Acting: 300 to 500 KPa, Spring Return: 300, 400, 500 KPa
Action	Direct Action or Reverse Action
Environment temp.	Standard type: -20 to +60°, Low temp.service: -50 to +60°, High Temp.service: 0 to +100°
Options	Manual handwheel, Limit Switch, Positioner, Air-set, Speed controller, Lock Valve, Lock up Valve, Solenoid Valve etc.

6500RA

Type code	Double Acting type			Spring Return type
	6517RA	6520RA	6528RA	6517RA	6520RA	6528RA
Size	170	200	280	200	280	360
Output N·m at 500KPa	1850	3200	7500	907	2231	4413
Air supply	Double Acting: 300 to 500 KPa, Spring Return: 300, 400, 500 KPa
Action	Direct Action or Reverse Action
Environment temp.	Standard type: -20 to +60°, Low temp.service: -50 to +60°, High Temp.service: 0 to +100°
Options	Manual handwheel, Limit Switch, Positioner, Air-set, Speed controller, Lock Valve, Lock up Valve, Solenoid Valve etc.

7300RB

Type code	Double Acting type				Spring Return type
	7317RB	7323RB	7328RB	7337RB	7317RB	7323RB	7328RB	7337RB
Size	170	235	280	375	170	235	280	375
Output N·m at 500kPa	637	1712	2962	6987	212	589	995	2332
Air supply	Double Acting: 300 to 500 KPa, Spring Return: 300, 400, 500 KPa
Action	Direct Action or Reverse Action
Environment temp.	Standard type: -20 to +60°, Low temp.service: -50 to +60°, High Temp.service: 0 to +100°
Options	Manual handwheel, Limit Switch, Positioner, Air-set, Speed controller, Lock Valve, Lock up Valve, Solenoid Valve etc.