Guoyue Hydraulic Equipment Manufacturing (jiangsu) Co., Ltd
                                                                                                           
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4 Years
Since 2022
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Double Acting Hydraulic Cylinder 168mm Bore 600mm Stroke 30MPa

Price Negotiable
MOQ: 1 piece
Delivery Time: 12~60 days depends on products type
Brand: Guoyue
Product Description
OEM 90 45-75R2 Lock Door Plate Oil Cylinder
Hard Chrome Plated Piston Rod Synchronized Control Cylinder
Premium Hydraulic Cylinder Features
  • Tube follows GUOYUE CD250 specifications with material options: 45#, 42CrMo, or 27SiMn steel
  • Precision ground holes (H8) with surface roughness Ra under 0.4 μm
  • Constructed with 45# steel components (head, base, ears, piston) - no cast iron or cast steel
  • Optional fixed or floating bumpers for controlled deceleration
  • Ultrasound-tested welds for enhanced durability under heavy loads
  • Premium international seals (Trelleborg, Merkel, GP)
  • Rigorous testing to GB/T15622-2005 and Q/GAKY014-2023 standards
  • 1-year warranty against manufacturing defects
Technical Specifications
Attribute Value
Product Type Double Acting Hydraulic Cylinder
Weight 175 kg
Power 30MPa
Dimensions (L×W×H) 1100 × 230 × 270 mm
Rod Diameter 100 mm
Maximum Stroke 600 mm
Outer Tube Diameter 168 mm
Inner Tube Diameter 140 mm
Overall Length 300 mm
Key Advantages
This robust 90mm bore cylinder with 45-75R2 stroke provides precise door-locking control. The hard-chrome plated piston rod resists corrosion from salt spray and abrasion. Synchronized operation ensures smooth, rattle-free movement with perfect alignment. OEM compatibility allows for direct installation without modifications.
Application Scenarios
Ideal for demanding environments including floodgates, marine hatch covers, mine shaft cages, and metallurgical equipment. Provides reliable sealing and safety in:
  • Engineering machinery
  • Mining operations
  • Shipping and marine
  • Metallurgy
  • Water conservancy
  • Offshore platforms
  • Agricultural equipment
Additional Specifications
Seal Options Parker, Merkel, Hallite
Material Options St52, CK45, 4140, Duplex2205, Stainless Steel 304/316
Certifications ABS, Lloyds, SGS
Core Components Bearing, Pressure vessel, Pump
Structure Type Piston Type, Plunger Type, Telescopic Type
Power Source Hydraulic & Pneumatic
OEM 90 45-75R2 Hydraulic Cylinder front view Close-up of hard chrome plated piston rod Hydraulic cylinder side profile Cylinder mounting details Hydraulic cylinder in industrial application Quality inspection of hydraulic components
Manufacturer 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
Quality Assurance
  • Pre-production samples provided for approval
  • Final inspection before shipment
Payment & Delivery
Delivery Terms: FOB
Payment Currency: USD, EUR
Payment Type: T/T
Languages: English, Chinese

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guoyue Hydraulic Equipment Manufacturing (jiangsu) Co., Ltd
Location China , Jiangsu , Wuxi , No. 1387, Qianhu Road, Hudai Town
Contact Person 15852701381

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