Yuyao Ningbo Haoyun Rubber Co.,Ltd.
Yuyao Ningbo Haoyun Rubber Co.,Ltd.
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O Ring
O-rings are one of the most common seals used in machine design because they are inexpensive, easy to make, reliable, and have simple mounting requirements.
The O-ring may be used in static applications or in dynamic applications where there is relative motion between the parts and the O-ring. Dynamic examples include rotating pump shafts and hydraulic cylinder pistons.
NBR O RING
Temperature: Normal: -40 to 100C
Low temperature: -55 to 100C
High temperature: -30 to 100C (Air)
and -30 to 100C (oil)
Hardness: ShoreA 40-90
Color: black, other color can customize
Use: oil resistance situation
FKM/VITON O RING
Temperature: -20 to 220C
Hardness: ShoreA 50-90
Color: black, brown, green,
other color can customize
Use: oil resistance, wear resistance,
acid and alkali resistant, high temperature ersistance situation
SILICONE/VMQ O RING
Temperature: Normal: -60 to 225C
Hardness: ShoreA 25-90
Color: Transparent, white, other color can customize
Use: Food situation
EPDM O RING
Temperature: Normal: -50 to 150C
Hardness: ShoreA 40-90
Color: black, other color can customize
PU O RING
Temperature: AU: -40 to 100C (oil resistance)
EU: -80 to 90C (water resistance)
Hardness: ShoreA 60-98
Color: transparent, green, red, other color can customize
| Product name | FKM rubber ring |
|---|---|
| Material | NBR, SILICONE, SBR, EPDM, HNBR, NR, FKM etc |
| Hardness | 20~75 Shore A |
| Application | chemical industry, petroleum industry, medical technique, food industry, sewage-disposal industry, steel industry, semi-conduct industry and so on. |
| Color | black, red, white,yellow, green,purple,etc |
| Working temperature | Normal: -60~230 degree Special: -60~300 degree |
| Size | Any size, Customized/standard and nonstandard |
| Feature | Oil-resistant; heat resistant; abrasion-resistant; aging resistant; insulation; acid and alkaline resistant; airtight; shock absorption, etc. |
1. Can you make OEM products?
Yes, we mainly do GB products and custom products as well. We develop and produce products according to the drawings or samples provided by our customers.
2. What is the production capacity of your company?
We have two dust-free production lines for oil seals, sealing products and rubber sundries with an annual production capacity of 50 million pieces. And three production lines for automobile transmission belts with an annual production capacity of 8 million pieces.
3. How many employees are there in your company and how many of them are technicians?
Our company has more than 105 employees including 15 professional technical personnel and 10 engineers.
4. How does your company guarantee product quality?
First of all, each of our processes will be followed by the corresponding inspection. For the final product, we will do 100% full inspection according to customer requirements and international standards.
cost of freight.