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Gripping power exceed 90N and better for handling large workpieces conveying.
Smooth drive movement achieved using direct drive ball bearings on guide.
Response to large open/close stroke.
Selectable mounting and piping direction.
(Mounting direction: Upper and Rear ; Port position: Upper and Front side)
Center hole for positioning and mounting screw hole are setting at the bottom.
Port size Rc1/8 is adopted to all series.

 Dimensional Drawing    
Structure Double acting type
Code RH-20 RH-25 RH-32
Open,close,stroke mm 30mm 60mm 40mm 80mm 50mm 100mm
Cylinder bore 20 25 32
Rod diameter 10 12 16
Actual gripping capacity 90N 150N 250N
Working fluid Air
Lubrication Unnecessary(But possible)
Port size Rc1/8
Operating pressure range 0.2∼0.7MPa
Proof test pressure 1MPa
Max.operating frequency 50C.P.M.
Temperature range -10∼+70Celsius degree(Do not use when frozen)
Weight 1.1Kg 1.3kg 1.5kg 1.8kg 3.1kg 3.8kg
Note) Acutual gripping capacity is the value at tip of finger with supply pressure of 0.5Mpa
Weignt available for holding,conveyance with actual gripper is about 10%of the theoretical gripping,opening capacity.
The Actual Gripping Capacity may be changed depends on supply pressure and overhang value.
Switch set is just mounting the switch to a standard product.


Switch Specification
Contact Method Contact No Contact
Code 1m with cord PD32S1 PD31S1 PE34S1 PE33S1
3m with cord PD32S3 PD31S3 PE34S3 PE33S3
Wiring direction Upper wiring
Power supply DC:24V·AC110V DC:10∼28V Less than DC:28V
Load Current Range DC:2.5∼40mA MAX
AC:2.5∼20mA MAX
5∼20mA 0.1∼40mA
Innernal drop voltage 0.1V MAX 3V MAX 5V MAX 0.5V MAX
Leakage current 0μA 1m MAX
(DC24V, 25Celsius degree)
50μA MAX(DC24V)
Working time Max.1m/s
Return time Max.1m/s
Insulation resistance DC500V Mega MIN 500MΩ(Case∼cable)
Voltage-proof AC1500V No trouble for 1 min.(Case∼cable)
Shock-proof 294m/s2
Vibration-proof Double vibration width 1.5mm 10∼55Hz 2hours (2 hours for each direction of X, Y, Z)
Temperature 0∼+60Celsius degree(But possible)
Wiring style PVC0.2mm2 2 Cores Outer dia. 2.6 PVC0.15mm2 3 Cores Outer dia. 2.6
Protective structure IP67(IJapan Electrical Manufacturers` Association grade) or equivalent·JIS C0920
Indicating lamp None LED(Lights with switch ON)
Electric circuit
Applied Miniature relay·Small relay·sequencer
Note) If you order switch set type, the special bracket (L11) for switch is required.
RH series can set switch with upper cord only.

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