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RMTL series rodless air cylinder - Imagen 2

RMTL series rodless air cylinder

Magnetically coupled rodless cylinder: There is no mechanical connection between the piston and the carriage, ensuring excellent sealing performance.
Piston movement is transmitted to the external carriage via magnetic coupling; eliminating the need for a piston rod saves installation space and allows for a longer maximum stroke compared to standard cylinders.
Fixed cushioning is provided at both ends of the cylinder, ensuring smooth, shock-free directional changes and preventing mechanical damage; an optional external hydraulic shock absorber can be added for superior cushioning performance.
The piston chamber is isolated from the carriage, preventing dust and debris from entering the system and extending the cylinder’s service life.
Dual guide rod structure: Offers high guiding precision and the ability to withstand certain lateral or eccentric loads.

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RMTL series rodless air cylinder is a magnetically coupled, rodless pneumatic cylinder featuring dual guide rods; it differs from standard cylinders with piston rods and from steel-band mechanical rodless cylinders.
Its structure consists of an integrated three-rod profile: a central main cylinder barrel flanked by two parallel guide rods, with a central sliding aluminum block serving as the mounting platform for the load. The end caps feature integrated air ports and built-in rubber cushions, with the option to install external hydraulic shock absorbers; slots along the side of the cylinder body accommodate magnetic switches for detecting the slider’s position.
The RMT utilizes copper alloy sliding bushings in a metal-on-metal dry sliding configuration.
The RMTL employs recirculating ball linear bearings on the guide rods, utilizing rolling friction to ensure minimal frictional resistance.

Available in magnetic and non-magnetic versions.

Magnetically coupled structure: There is no mechanical connection between the piston and the slider, resulting in excellent sealing performance.

Cushioning Type: The cylinder features fixed cushioning devices at both ends, ensuring smooth, shock-free directional switching and preventing mechanical damage; an optional external hydraulic shock absorber is available for enhanced cushioning performance.

Dual guide rod structure: offers high guidance accuracy and can withstand certain lateral or eccentric loads.

Sealing performance: The piston chamber is isolated from the slide block, preventing dust and contaminants from entering the system and extending the cylinder’s service life.

Flexible and space-saving installation: The cylinder can be mounted via both its top and bottom surfaces, requiring less installation space than standard cylinders while offering a longer maximum stroke.

RMT series Technical Specification （Copper alloy sliding bushing）

Bore diameter (mm)	16	20	25	32	40
Cylinder action type	Double-acting type
Working Medium	Air (filtered through a 40 µm mesh screen)
Operating pressure range	0.2~0.7Mpa(29~100psi)(2.0~7.0bar)	0.25~0.7Mpa(36~100psi)(2.5~7.0bar)
Guaranteed pressure resistance	1.2Mpa（175psi)(12.0bar)
Operating Temperature	-20°C~70°C (Select high-temperature-resistant sealing materials. Operating temperature range: 0–150°C.)
Operating Speed Range	50–400 mm/s
Stroke Tolerance Range	0~250 +1.0 251~1000 +1.5 1001~ +2.0
Buffering Form	Fixed buffer; hydraulic shock absorber optional.
Safe holding force (N)	140	220	345	560	880
Interface thread size	M5*0.8	PT1/8			PT1/4

RMTL series Technical Specification （Precision guidance via linear ball bearings）

Bore diameter (mm)	10	16	20	25	32	40
Cylinder action type	Double-acting type
Working Medium	Air (filtered through a 40 µm mesh screen)
Operating pressure range	0.2~0.7Mpa(29~100psi)(2.0~7.0bar)
Guaranteed pressure resistance	1.2Mpa（175psi)(12.0bar)
Operating Temperature	-20°C~70°C (Select high-temperature-resistant sealing materials. Operating temperature range: 0–150°C.)
Operating Speed Range	50–500 mm/s
Stroke Tolerance Range	0~250 +1.0 251~1000 +1.5 1001~ +2.0
Buffering Form	Fixed buffer; hydraulic shock absorber optional.
Safe holding force (N)	55	140	220	345	560	880
Interface thread size	M5*0.8		PT1/8			PT1/4

Available thread types for the connection include PT, G, and NPT.

Standard Stroke

Inner diameter mm (bore diameter)		Standard Stroke（mm）	Maximum Stroke
RMTL	10	50.100.150.200.250.300	500
RMT/RMTL	16	50.100.150.200.250.300.350.400.450.500	750
	20	50.100.150.200.250.300.350.400.450.500.600.700.750.800	1000
	25	50.100.150.200.250.300.350.400.450.500.600.700.750.800	1500
	32	50.100.150.200.250.300.350.400.450.500.600.700.750.800	1500
	40	50.100.150.200.250.300.350.400.450.500.600.700.750.800.900.1000	1500