Customized Rock Drilling Rig Telescopic Oil Cylinder
Product Details
telescopic hydraulic cylinder
,telescopic hydraulic cylinders for construction
,70mm hydraulic cylinder
| Attribute | Value |
|---|---|
| Product name | Hydraulic Cylinder |
| Weight | 112 kg |
| Power | 16MPa |
| Dimension (L×W×H) | 1030×255×180mm |
| Rod Diameter | 70mm |
| Maximum Stroke | 700mm |
| Outer Tube Diameter | 127mm |
| Inner Tube Diameter | 100mm |
| Overall Length | 200mm |
| Material | Steel, Customized |
- Internals: Cylinder barrel meets GUOYUE EU/US metallurgical standard CD250 structure with materials including 45#, 42CrMo, or 27SiMn. Bore honed to H8 precision (Ra<0.4μm). All critical components made of 45# steel.
- Buffering: Multiple buffering options including fixed and floating buffer structures for effective deceleration across pressure and speed ranges.
- Welding: 100% ultrasonic impact treatment on all pressure-bearing welds (stress removal ≥90%) for enhanced fatigue strength.
- Sealing: Premium imported seals from Trelleborg (Sweden), Merkel (Germany), and GP.
- Testing & Certification: Complies with GB/T15622-2005 and Q/GAKY014-2023 standards. Includes test reports and qualification certificates.
- Warranty: One-year warranty with free repair/replacement for manufacturing defects.
- Extended Reach: Multi-stage telescopic design for long stroke in compact space
- High Impact Resistance: Reinforced construction withstands extreme shock loads
- Precision Control: Accurate positioning and force for efficient rock penetration
- Abrasion Resistance: Hard-coated rods/seals endure harsh environments
- Custom Optimization: Tailored to specific rig requirements
- Leak-Free Reliability: Advanced sealing prevents fluid loss
- Reduced Downtime: OEM-grade materials minimize maintenance

Based in Jiangsu, China since 2022, we serve global markets including Domestic (40%), Africa (10%), North America (10%), and other regions. Our 51-100 person team ensures quality through:
- Pre-production samples for all orders
- Final inspection before shipment
- Specialization in hydraulic cylinder manufacturing
Guoyue Hydraulic Equipment Manufacturing (Jiangsu) Co., Ltd. is a technology enterprise with 50 million yuan registered capital, integrating R&D, production, and service.
Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.