Complaint
The Relations of O Ring between Hardness and Working Pressure KG/CM2(mm) | ||||||||
Specification | Hardness | 35 | 70 | 105 | 140 | 175 | 210 | 350 |
1.78mm | 70 | 0.15 | 0.10 | 0.05 | ||||
80 | 0.20 | 0.15 | 0.10 | 0.05 | 0.03 | |||
90 | 0.25 | 0.20 | 0.13 | 0.10 | 0.08 | 0.05 | 0.03 | |
2.62mm | 70 | 0.18 | 0.13 | 0.08 | ||||
80 | 0.25 | 0.18 | 0.13 | 0.08 | 0.04 | |||
90 | 0.30 | 0.25 | 0.18 | 0.13 | 0.10 | 0.08 | 0.04 | |
3.53mm | 70 | 0.20 | 0.15 | 0.10 | ||||
80 | 0.30 | 0.20 | 0.15 | 0.10 | 0.05 | |||
90 | 0.40 | 0.30 | 0.20 | 0.15 | 0.13 | 0.10 | 0.05 | |
5.34mm | 70 | 0.25 | 0.18 | 0.13 | ||||
80 | 0.35 | 0.25 | 0.18 | 0.13 | 0.06 | |||
90 | 0.45 | 0.35 | 0.25 | 0.18 | 0.15 | 0.13 | 0.06 | |
7.00mm | 70 | 0.30 | 0.20 | 0.15 | ||||
80 | 0.40 | 0.30 | 0.20 | 0.15 | 0.07 | |||
90 | 0.50 | 0.40 | 0.30 | 0.20 | 0.18 | 0.15 | 0.07 | |
CS Comparison Table | ||
Standard/CS(mm) | O Ring Size Reference | Mould |
C92 | 1.8/2.65/3.55/5.3/7.0 | Complete |
AS568 | 1.78/2.62/3.53/5.33/6.99 | Complete |
JIS2401 | P:1.9/2.4/3.5/5.7/8.4 G:3.1/5.7 | Complete |
R | 1.9/2.7/3.6/5.33/6.99 | Complete |
DIN3771 | 1.8/2.65/3.55/5.3/7.0 | Complete |
BS4518 | 1.6/2.4/3.0/5.7/8.4 | Complete |
Doking Industrial Limited is specialized in rubber seals, PTFE seals, PU pressure seals
and so on, with design, development, production all in one. The annual productivity is 50
million pcs seals and 10 million pcs PU products. The number of working staff is 100,
including 25 technicians and senior engineers. The equipment for design, development,
production is advanced and complete. Our products vary from five product lines and 1000
different products, such as reciprocating oil seals, rotary oil seals, valve oil seals, high
pressures oil seals, PU products, Our seals have been exported to all over the globe, mainly
to Europe and Asia. Doking Industrial Limited oil seal company takes everyman as its
fundamental, and innovation as its soul. It put ISO/TS16949:2002 Quality Management
System into action efficiently by earnestness, implement, honesty and communication.
It is striving for meeting the customers' request and surpassing their expectation by
depending on all staff participate, conducting Zero Defect manage-ment, controlling process strictly, improving processes continuously, quality products and service.
Production line & Our work shop
Honesty-Quality-Preoccupation-Innvoation-Pioneering
Honesty is the fundamental of human, fundamental of morality. It is the source of the company brand value.
Quality is the life blood of the host brand and the life of the enterprise, demeirui is dedicated to produce high quality oil seal as own duty, quality and development, seeking increasing perfection.
Concentration on producing oil seals make us more professional. It is also the source of excellent quality.
Innovation is the power to promote the enterprise development, from product development and production process to the enterprise management into innovative concept, dedication to customers high-quality goods and provides solutions.
Pioneering: With personallity development projects, the high-quality goods to expand the market, forge ahead.
