Quality is always of 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 9001:2015 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.
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
Class certificate: DNV, ABS, Lloyds, BV, GL, and CCS
Material: Carbon steel, Alloy steel, Stainless steel
Detail manufacturing drawings to be submitted to buyer for approval before manufacture is commenced
质量始终是最重要的
君文公司深知质量的重要性，并始终致力于确保所有油缸的高质量，安装清洁和100％测试。因此，我们的客户知道，君文油缸始终是要求耐用性和持续使用且必须将维护和修理降至最低的应用的绝佳选择。
我们通过了ISO 9001：2015认证，涵盖液压缸的销售，开发，生产和服务。
焊接工艺已获CCS和GL认可。
生产主要由数控设备进行。
完整的记录系统，适用于所有物料，生产和检验，使我们能够快速跟踪和解决客户的任何问题。
由于我们在海洋和近海应用领域拥有丰富的经验，我们可以提供各类船检证书，包括DNV，ABS，Lloyds，BV，GL和CCS。
油缸技术规范
缸径：40-1000毫米（1 1/2-40英寸）
杆径：12-500毫米（1/2-20英寸）
活塞杆电镀，最小镀层厚度为25微米，光洁度最大0.15 um Ra
表面镀层材料：Cr或Ni
行程：最大15500毫米（610英寸）
工作压力：最大700 bar（10150 PSI）
整缸重量：最大60吨
阀：SUN（美国）
密封：PARKER或MARKEL
轴承：LONGXI或SKF
油漆：根据客户要求或三层船用油漆
船检证书：DNV，ABS，Lloyds，BV，SGS，GL和CCS
油缸材料：碳钢，合金钢，不锈钢
在开始生产之前，详细的制造图纸将提交给客户以供批准
