Custom Long Stroke Hydraulic Cylinder 25MPa with Hard Chrome Piston Rod
Place of OriginChina
Brand NameGuoyue
CertificationCE
Model Numbercustomized
Minimum Order Quantity1 piece
Payment TermsT/T
Supply Ability2500 Ton/Tons Per Year
Product Details
Highlight:
long stroke hydraulic cylinder 25MPa
,hard chrome piston rod hydraulic cylinder
,custom hydraulic cylinder with warranty
Product Name:
Hydraulic Cylinder
Power:
25MPa
Dimension(L*W*H):
780*170*170mm
Rod Diameter:
70mm
Maximum Stroke:
Customized
Outer Tube Diameter:
125mm
Inner Tube Diameter:
100mm
Overall Length:
Customized
Type:
Single Acting Cylinder
Material:
Steel, Customized
Pressure:
Customized
Working Medium:
Hydraulic Oil
Technique:
Forging&Casting
Minimum Oeder Quantity:
1PCS
Certifications:
CE
Piston Seal:
Urethane Seal
Seals:
Chinese
Usage:
Metallurgical Industry Machinery
Ship Cost:
Not Include
Product Description
Detailed Specifications & Features
Long Stroke Hydraulic Cylinder with Hard Chrome Plated Piston Rod
Product Specifications
| Attribute | Value |
|---|---|
| Product Name | Hydraulic Cylinder |
| Power | 25MPa |
| Dimension (L×W×H) | 780×170×170mm |
| Rod Diameter | 70mm |
| Maximum Stroke | Customized |
| Outer Tube Diameter | 125mm |
| Inner Tube Diameter | 100mm |
| Overall Length | Customized |
| Type | Single Acting Cylinder |
| Material | Steel, Customized |
Product Features
- Premium Construction: Tube follows GUOYUE CD250 style with steel options including 45#, 42CrMo, or 27SiMn
- Precision Engineering: Hole ground to H8 with surface roughness Ra under 0.4 μm
- Durable Components: Head, base, ears, and piston made from 45# steel (no cast iron or steel)
- Safety Features: Optional fixed or floating bumpers for controlled deceleration
- Quality Welds: Ultrasound tested heavy-load welds for reduced stress and extended lifespan
- Premium Seals: Only uses top-tier seals from Trelleborg (Sweden), Merkel and GP (Germany)
- Rigorous Testing: Each cylinder tested to GB/T15622-2005 and Q/GAKY014-2023 standards
- Warranty: 1-year coverage from shipment date with free repair/replacement for manufacturing defects
Key Advantages
This robust hydraulic cylinder features a 250mm bore and 180mm rod with customizable stroke lengths up to 1,210mm. The hard-chrome plated piston rod resists corrosion from salt spray and abrasion. Precision-balanced oil paths ensure smooth operation while reducing wear on components. The compact design delivers exceptional lifting capacity without compromising stability.
Applications
Ideal for demanding environments including construction machinery, dredging equipment, mining operations, shipping, metallurgy, water conservancy projects, offshore installations, and agricultural equipment. Commonly used in:
- Cutter-suction dredgers for riverbed excavation
- Quarry cranes handling heavy loads
- Canal maintenance and waterway management
- Offshore wind farm scour protection
Additional Specifications
| Seal Options | Parker, Merkel, Hallite |
| Paint Colors | Red, Grey, Yellow, Black (customizable) |
| Material Options | St52, CK45, 4140, Duplex2205, Stainless Steel 304/316 |
| Certifications | ABS, Lloyds, SGS |
| Packaging | Bubble-wrap with wooden case |
| Structure Types | Piston Type, Plunger Type, Telescopic Type |
Product Images

Company Information
Location: Jiangsu, China (established 2022)
Markets Served: Domestic (40%), Africa (10%), North America (10%), South America (8%), Southeast Asia (6%), Western Europe (5%), and other global markets
Employees: 51-100
Markets Served: Domestic (40%), Africa (10%), North America (10%), South America (8%), Southeast Asia (6%), Western Europe (5%), and other global markets
Employees: 51-100
Quality Assurance
- Pre-production samples provided before mass production
- Final inspection conducted before shipment
Payment & Delivery
Accepted Delivery Terms: FOB
Payment Currency: USD, EUR
Payment Type: T/T
Languages: English, Chinese
Payment Currency: USD, EUR
Payment Type: T/T
Languages: English, Chinese
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