For vertical lathe, milling machine and drilling process. 
	Through hole design for clamping long bore workpiece, both vertical and horizontal production. 
	
	 
 
	Unit : mm
	
		
			
				| Model/size | Piston Dia. (mm)
 | Eff. piston area (cm2 )
 extend / retract
 | Max tube power (kgf)
 Extend / Retract
 | Piston Stroke (mm)
 | Max Hydraulic pressure (kgf / cm2)
 | Weight (kg)
 | For Chucks | 
			
				| DV-6 | Ø115 | 104
  / 78.5 | 1900
  / 1400 | 20 | 20 | 12 | V-206 | 
			
				| DV-8 | Ø155 | 187
  / 148.6 | 3600
  / 2800 | 21 | 20 | 21 | V-208,
  V-210, V-212 | 
			
				| DN-8 | Ø155 | 148.6
  / 148.6 | 2800
  / 2800 | 17 | 20 | 28.5 | N-208 | 
		
	
	
	
		
			
				| Model/size | A1 | A2 | A3 | A4 | A5 | A6 | B1 | B2 | B3 | H | 
			
				| DV-6 | Ø220 | 168 | 140 | 55 | Ø220 | 49 | 16 | 65.5 | 5.5 | 104.78 | 
			
				| DV-8 | Ø290 | 210 | 170 | 70 | 242 | 58 | 24 | 86 | 5.5 | 133.35 | 
			
				| DN-8 | Ø293 | 213 | 170 | 70 | 242 | 52 | 24 | 100 | 5.5 | 133.35 | 
		
	
	
	
		
			
				| Model/size | K | L1 | L2 | Pmax. | Pmin. | S1 | S2 | S3 | U | Illutration | 
			
				| DV-6 | 12-M10x16L | 38 | 45 | 18 | -2 | PT
  1/4" | 7.6 | 2-Ø15 | M16xP2.0 | Fig-1 | 
			
				| DV-8 | 12-M12x18L | 23 | 65 | 20 | -1 | PT
  1/4" | 5.5 | 2-16 | M16xP2.0 | Fig-1 | 
			
				| DN-8 | 12-M12x18L | 32.5 | 74.5 | 30.4 | 13.4 | PT 1/4" | 16 | 4-17 | M60xP2.0 | Fig-2 |