TECHNICAL SPECIFICATION

TECHNICAL SPECIFICATION OF HYDRAULIC CYLINDER
Bore: 40 – 1000 mm (1 1/2 – 40 inch)
Rod: 12 – 500 mm (1/2 – 20 inch)
Rod should be hard chromed to minimum depth of 25 microns and polished to 0.15 um Ra
Plate: Cr, Ni or Ceramic
Stroke: Max 15 500 mm (610 inch)
Design Pressure: Max 700 bar (10150 PSI)
Weight: Max 60 tons
Valves: SUN (USA)
Seals: PARKER (USA), MERKEL (Germany) or NOK (Japan)
Bearing: LONGXI (China) or SKF
Painting: follow with customer requirement or 3-coat marine painting
Certificate: DNV, ABS, Lloyds, BV, GL, KR, NK, RINA, RS and CCS
Material: Carbon steel, Alloy steel, Stainless steel
Detail manufacturing drawings to be submitted to buyer for approval before manufacture is commenced. 

ADVANTAGES

OUR ADVANTAGES 
1. Our cylinders are designed by CAD or 3D, and have been through ISO9001:2000 international quality system certification. 
Our production is managed according to ERP. These factors ensure our quality to be the top three in China. Warranty period for our cylinder is 2 years. For some special cylinders, the period is 5 years. All the drawings, records of production and inspection would be kept for 10 years. 

2. We choose accessories according to customers’ requirements. Usually, brands of seals are PARKER, MERKEL or NOK, valves are SUN or REXROTH, bearings are LONGXI or SKF, displacement sensors are MTS or WALSH, and proximity switches are BALLUFF.

3. The delivery speed is fast, the average delivery time is 30-60 days. Our annual quantity for hydraulic cylinder is more than 100 thousand pieces.

4. Classifications include DNV,ABS,LR,BV,GL,CCS,RINA,KR,NK,RS.

5. Our advanced producing equipments included DOSHAAN machine center, CNC Lather, TACHI scraping roller burnishing machine ect.

6. Welding technology certificates from GL and CCS.

7. High Precision: 

Honed Tube (Roughness of tube is 0.2μm and straightness is less than 0.15/1000),Piston Rod (Plating thickness is 10-100 micron. Surface roughness is 0.2μm and straightness is also less than 0.15/1000)
The purity of hydraulic oil is NAS 6-9.

8. The famous customer list:
MARINE AND OFFSHORE: MAC GREGOR, CARGOTEC, TSC OFFSHORE,EMAS, TTS, NMF
MACHINE: ATLAS COPCO, WIRTGEN, SANDVIK, LOESCHE 
MATEL: SMS MEER, DANIELI, VOESTALPINE, SIEMENS 
MACHINE TOOL: TRUMPF, BYSTRONIC
WIND POWER: VESTAS