Product Introduction
The SB-Y1 Hydraulic Cylinder is a national standard (GB/T 2348-1993 & JB/T 10205-2010) heavy-duty hydraulic cylinder widely used in metallurgical, mining, and engineering machinery.
It is part of China’s most mature standard hydraulic cylinder series and is designed to deliver high reliability, strong load capacity, and long service life in demanding industrial environments.
SB-Y1 cylinders are compatible with multiple mounting types, including flange, clevis, trunnion, foot, and center pin, allowing flexible integration into a variety of systems.
Key Features & Advantages
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Standardized & Interchangeable
Dimensions, mounting types, and pressure ratings follow unified standards, simplifying procurement, maintenance, and replacement. -
Heavy-Duty Design
Engineered for metallurgical, mining, and heavy machinery applications. High structural rigidity, high-pressure resistance, and shockproof. -
Proven Reliability
Long-term market validation with mature manufacturing processes and low failure rates. -
High Rated Pressure
Standard working pressure: 16 MPa (~160 kgf/cm²). Reinforced designs up to 25 MPa or higher.
Technical Specifications
| Component | Details |
|---|---|
| Cylinder Body | Thick-walled seamless steel tube, precision bored & honed, smooth and wear-resistant |
| Piston Rod | 45# Steel, 40Cr, or stainless steel; medium-frequency quenched & hard chrome plated; hardness HRC50+ |
| Working Pressure |
Standard: 16 MPa; optional reinforcement up to 25 MPa |
| Sealing System | Multi-stage seals (PTFE, GL-rings, O-rings) for high pressure, low friction, and long life |
| Mounting Options | Flange, Clevis, Trunnion, Foot Mount (Front & Rear options) |
| Bore & Rod Diameters | Standard GB/T 2348-1993: 40–320 mm |
| Stroke | Customizable per application; long-stroke cylinders require stability checks |
Model Example
SB-Y1-E80/45-500-MF1
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SB-Y1: Series (single-rod, double-acting)
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E: Mounting type code (E = Clevis, F = Flange)
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80: Cylinder bore (mm)
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45: Piston rod diameter (mm)
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500: Stroke (mm)
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M: Pressure rating (M = 16 MPa; H = 25 MPa)
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F1: Piston rod end type / feature code
Mounting Options & Applications
| Mounting Type | Key Benefits | Typical Applications |
|---|---|---|
| Square Flange at Base | High rigidity, even load distribution | Continuous casting machines, rolling equipment, steel push devices |
| Square Flange at Head | High positioning precision | Rolling press cylinders, mold drives, heavy positioning systems |
| Rectangular Flange at Base | Flexible hole layout, large load capacity | Metallurgical main machines, heavy mining actuators |
| Rectangular Flange at Head | Strong front-end support, high-pressure load | Presses, forming machines, hydraulic stamping |
| Round Flange at Base |
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