Manufacturer with 13 years experience and unique advanced technology and producing equipment.
Product name: band saw hydraulic cylinder

Application	industry, machinery, mine, metallurgy, shipping, water conservancy, etc.
Working Length	50mm—16000mm
Tube inside diameter	40mm—1000mm
Piston diameter	12mm—410mm
Working Pressure	70 bar—700 bar
Seal type	PARKER (USA) or MERKEL (Germany)
Material of liner	copper (prolongs the life cycle of 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.


 

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, MERKER 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. We produce cylinders for some factories on an OEM basis, such as EATON, PARKER, REXROTH , MAC GREGOR, DANIELI, and so on. 

 

QUALITY

Quality is always top priority.

JW HYDRAULIC understands the importance of quality, and maintains a focus on producing a high level of quality, cleanliness in installation and 100% testing of all cylinders. As a result, our customers know that JW HYDRAULIC cylinders are always an excellent choice for applications that require durability and constant use, and where maintenance and repairs must be kept to a minimum.

 

All of our production sites are certified according to ISO 9001:2000 covering Sales, Development, Production and Service of hydraulic cylinders.  

 

Welding technics has been approved by CCS and GL.  

 

Productions are mostly carried out by CNC machines.  

 

Complete recording system for all material, production and inspection, enables us to quickly track and solve any of our customer's problems.  

 

Because of our extensive experience with marine and offshore applications, we work often with a number of regulatory certification agencies, including DNV, ABS, Lloyds, BV, GL, and CCS, etc.

Any need, please contact us for details.