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RSM RCS Series:
Low-Height Hydraulic Cylinders for Confined Spaces
Featuring short and ultra-short stroke models, our low-height hydraulic cylinders (hydraulic pancake jacks) deliver maximum power-to-height ratios in tight spaces where standard cylinders fail. Ideal for diverse industrial applications.
Low-Height Hydraulic Cylinders: Solving Tight Space Hydraulic Needs
Low-height hydraulic cylinders, also known as hydraulic pancake jacks, are ultra-compact actuators specifically engineered for applications with severe vertical space constraints. Their primary advantage lies in delivering exceptional force capacity within extremely confined spaces where conventional cylinders cannot operate. These robust tools are ideal for machinery maintenance, industrial automation, precision manufacturing, and aerospace applications where minimal clearance is critical. Featuring high-strength materials and precision engineering, they provide superior power density, reliable performance, and extended service life for pressing, clamping, leveling, and lifting tasks in tight operational environments.
Single-acting low-height
RSM-Series
Single-acting pancake cylinders feature an ultra-low collapsed height, delivering powerful thrust in both vertical and horizontal confined spaces.
Capacity: 20 – 150 tons
Collapsed Height: 1.28 – 3.94 inches
Single-acting low-height
RCS-Series
Compact, durable low-profile jacks for space-limited lifting. Optimized for safety and longevity in industrial production applications.
Capacity: 20 – 150 tons
Collapsed Height: 3.47 – 5.56 inches
Schmidt Low-Height hydraulic cylinder RSM Series
Schmidt Ultra-Compact Force: RSM Series Low-Height Hydraulic Cylinders with hollow plunger for dual-direction operations in critically confined spaces.
Space-Saving Design
RSM Low-Height Hydraulic Cylinders feature ultra-flat profiles, enabling installation where standard cylinders cannot fit due to extreme height restrictions.
Efficient Spring Return
These single-acting Low-Height Hydraulic Cylinders with automatic spring retraction ensure rapid cycle times in compact automation systems.
Secure Mounting
Integrated mounting holes on Low-Height Hydraulic Cylinders simplify fixturing, providing vibration-resistant stability in horizontal/vertical orientations.
Portable Solutions
RSM750/1000/1500 Low-Height Hydraulic Cylinders include handles for safe transport between confined workspaces requiring mobile lifting power.
Durable Plungers
Hard chrome-plated steel plungers in RSM Low-Height Hydraulic Cylinders resist wear and corrosion, ensuring long-term reliability under heavy loads.
Saddle-Free Operation
RCS Low-Height Hydraulic Cylinders utilize grooved plunger ends to directly engage loads, eliminating saddle hardware while maintaining precision in millimeter-clearance applications.
Extreme Compactness
Engineered with 15% flatter profiles than standard cylinders, RCS Low-Height Hydraulic Cylinders install in machinery gaps where alternative cylinders hard to fit without compromising the strength.
6 core features of Low-height hydraulic cylinder
Low-height hydraulic cylinders provide compact force solutions in space-constrained manufacturing, heavy equipment maintenance, and aerospace applications for pressing, lifting, and precise alignment tasks.
Accessory Ecosystem
RCS Low-Height Hydraulic Cylinders integrate with pumps/manifolds for turnkey lifting systems in aerospace assembly jigs and semiconductor equipment maintenance.
Corrosion Defense
Triple-layer baked enamel finish on RCS & RSM Low-Height Hydraulic Cylinders resists chemical/abrasive damage, ensuring 6+ year service in offshore or plating facilities.
Complete Protection
Every RCS Low-Height Hydraulic Cylinder includes CR400 couplers with dust-sealed smooth saddles, preventing fluid contamination in foundry/mining environments.
Contamination Control
Dual-lipped plunger wipers in RCS Low-Height Hydraulic Cylinders block metal fines and grit ingress, reducing seal and sand wear and by 40% in high-particulate operations.
RCS Series – Low-height hydraulic cylinders
RCS-Series Low-Height Hydraulic Cylinders deliver superior durability and 10,000 psi performance in ultra-compact designs. Unlike load-dependent models, their powerful spring return ensures rapid retraction for productivity in confined industrial lifting. Solid construction guarantees stability in vertical/horizontal orientations.
Space-Optimized Design
Lightweight Low-Height Hydraulic Cylinders operate in millimeter-clearance confined spaces.
Seal Protection
Integrated plunger wiper blocks contaminants, extending cylinder service life.
Versatile Mounting
Grooved plunger ends with threaded holes enable tilt saddle integration and support.
Corrosion Resistance
Hard chrome-plated steel plungers resist pitting in harsh and corroded environments.
| Model Number | Outer Dimension | |||||||
| Cylinder Capacity ton | Outside Diameter | Cylinder Bore Diam. | Plunger Diam. | Base to Adv. Port | Plunger Protrusion from Base | Plunger to Base | Plunger to Mtg. | Weight(kg) |
| (kN) | (D mm) | (E mm) | (F mm) | (H mm) | (K mm) | (L mm) | Hole (M mm) | |
| RSM-50(5T) | 58×41 | 28.7 | 25.4 | 16 | 1 | 20 | 22 | 1 |
| RSM-100(10T) | 82×55 | 42.9 | 38.1 | 19 | 1 | 27 | 34 | 1.4 |
| RSM-200(20T) | 101×76 | 60.5 | 50.8 | 19 | 1 | 39 | 39 | 3.1 |
| RSM-300(30T) | 117×95 | 73.2 | 63.4 | 19 | 2 | 47 | 44 | 4.5 |
| RSM-500(50T) | 140×114 | 88.9 | 69.8 | 19 | 2 | 57 | 53 | 6.8 |
| RSM-750(75T) | 165×139 | 114.3 | 82.6 | 19 | 2 | 69 | 66 | 11.3 |
| RSM-1000(100T) | 178×153 | 127 | 92.2 | 19 | 2 | 76 | 74 | 14.5 |
| RSM-1500(150T) | 215×190 | 158.8 | 114.3 | 23 | 2 | 95 | 82 | 26.3 |
| Model Number | Body | Extension Height | Stroke | Outer Diameter | Inner diameter | Plunger Diam. | Base to Adv. Port | Plunger Protrusion from Base |
| Height | ||||||||
| Load(T) | A (mm) | (mm) | (mm) | D (mm) | E (mm) | F (mm) | H (mm) | K (mm) |
| RCS-101(10T) | 88 | 126 | 38 | 69 | 42.9 | 38.1 | 17 | 5 |
| RCS-201(20T) | 98 | 143 | 45 | 92 | 60.5 | 50.8 | 17 | 3 |
| RCS-302(30T) | 117 | 179 | 62 | 101 | 73.2 | 66.5 | 19 | 3 |
| RCS-502(50T) | 122 | 182 | 60 | 124 | 88.9 | 69.8 | 23 | 2 |
| RCS-1002(100T) | 141 | 198 | 57 | 165 | 127 | 92.2 | 31 | 1 |
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