Pneumatic Parallel Grippers & Pneumatic Clamps
HITREE HP series 2-finger parallel grippers move both jaws in a straight line toward the center, so the part stays centered whatever its size. Choose a compact body for tight robot cells, a long-stroke model for part families of different widths, or a version with magnetic switch slots to confirm open and closed positions.
- pneumatic parallel gripper
- 2-finger parallel gripper
- long-stroke gripper
- compact gripper
- magnetic switch gripper
- pneumatic clamp
Pneumatic Grippers & Clamps range
2-finger pneumatic parallel grippers in compact, long-stroke and magnetic switch versions, plus pneumatic clamps for holding parts and fixtures.
2-finger parallel gripper
The standard design. Two jaws on a hardened guide move in sync for repeatable centering of rectangular and round parts.
Long-stroke gripper
Jaw travel up to 80 mm per side, so one gripper handles several part sizes without changing fingers. Common on gantries and palletizing cells.
Compact gripper
Short body height and low weight to save robot payload and fit into crowded fixtures and small collaborative robots.
Magnetic switch version
Built-in magnet on the piston and switch slots on the body. Add a sensor to signal open, closed or part-present to the PLC.
Pneumatic clamps
Air-powered clamps that hold parts or fixtures in place on robot tooling, welding jigs and assembly stations.
Technical data
Need a model that is not listed, or full datasheets and CAD files? Ask our engineers.
| Model | Type | Stroke per jaw | Grip force @ 0.6 MPa | Repeatability | Weight |
|---|---|---|---|---|---|
| HP-16 | Compact | 3 mm | 45 N | ±0.02 mm | 0.09 kg |
| HP-20 | Compact | 5 mm | 80 N | ±0.02 mm | 0.16 kg |
| HP-25 | Standard | 6 mm | 140 N | ±0.02 mm | 0.28 kg |
| HP-32 | Standard | 11 mm | 260 N | ±0.02 mm | 0.55 kg |
| HP-40 | Heavy duty | 15 mm | 1,200 N | ±0.03 mm | 1.4 kg |
| HPL-25 | Long stroke | 40 mm | 120 N | ±0.05 mm | 0.85 kg |
| HPL-40 | Long stroke | 80 mm | 320 N | ±0.05 mm | 2.6 kg |
All models: operating pressure 0.2 – 0.7 MPa, temperature 5 – 60 °C. Magnetic switch slots and spring-assisted (self-locking) options available on every size.
Values shown are typical. Ask us for the datasheet of the exact model before you order.
Why choose HITREE HP series
Hardened jaw guides
Steel guide rails carry the side loads from long fingers, keeping the jaws accurate over a long service life.
Spring-assisted holding
Optional internal spring keeps the grip if air pressure is lost during an emergency stop.
Position sensing
Magnetic switch slots on two sides accept standard reed or solid-state sensors.
Standard mounting
Mount from the top or side. Adapter plates available for all common robot flanges.
Typical applications
- CNC machine tending
- Assembly of electronic and automotive parts
- Injection molding part removal
- Gantry and palletizing systems
How to choose
- Calculate grip force
For friction grip, required force ≈ m × (g + a) × safety factor ÷ (μ × number of jaws). Use a safety factor of 2 to 4.
- Check jaw stroke
Stroke per jaw must cover half the difference between the open position and the part width, plus clearance.
- Check finger length
Long or heavy fingers reduce effective grip force and add moment load. Keep fingers as short as possible.
Pneumatic Grippers & Clamps: common questions
What is a pneumatic parallel gripper?
It is a robot gripper driven by compressed air in which two jaws move in parallel toward or away from the center. The part is held by friction or by the shape of the fingers.
When should I choose a long-stroke gripper?
Choose long stroke when one gripper must handle parts of several different sizes, or when the fingers must open wide to clear the part during approach.
Can the gripper confirm that it has picked a part?
Yes. Order the magnetic switch version and fit one or two sensors. The PLC reads the jaw position to detect open, closed or part present.
Do you make custom fingers?
Yes. Send us the part drawing and we design fingers to match its shape. See our custom robot gripper service.
Ask about pneumatic grippers & clamps
Send your part size, weight and robot model. We reply with a model recommendation, CAD file and price within one business day.
- +86 156 1045 3783
Often used together
Custom Robot Grippers
Complete robot end effectors designed around your workpiece: custom fingers, combined grip-and-suction tools and multi-station grippers.
- Custom fingers and jaws
- Double and multi grippers
- Combined grip and vacuum tools
- Turnkey end effectors
- Design
- 3D model for approval
- Input needed
- Part data + robot model
- Lead time
- Quoted per project
Robot Tool Changers
Robotic quick changers that swap grippers and vacuum tools in seconds, with fail-safe locking and air and signal pass-through.
- Robot side (master plate)
- Tool side (tool plate)
- Signal modules
- Tool stands
- Payload
- 3 – 300 kg
- Repeatability
- ±0.01 mm
- Air passages
- 6 – 8