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,SGS,GL,and CCS.

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 or Ni
Stroke: Max 15 500 mm(610 inch)
Design Pressure:Max 700 bar (10150 PSI)
Weight:Max 60 tons
Valves: SUN (USA)
Seals: PARKER(USA) or MARKEL(Germany)
Bearing:LONGXI(China) or SKF
Painting:follow with customer requirement or 3-coat marine painting
Certificate:DNV, ABS, Lloyds, BV, SGS, GL, and CCS
Material:Carbon steel, Alloy steel, Stainless steel
Detail manufacturing drawings to be submitted to buyer for approval before manufacture is commenced