petro machinery parts hydraulic cylinder
Hydraulic cylinder is also called the valve box, it is a major part to the fluid end parts. Blank forged by high strength alloy steel. After heat treated, with multi-channel processes. The three cylinders of each pump is interchangeable. The following key parts: cone saw tooth thread of cylinder head, connect of the curve of all the screw hole and inner cavity
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:
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