Qingdao Global Sealing-tec co., Ltd
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PU(PUR,Polyurethane) seal
1.PU seal is mainly used in oil cylinder, can be easily fixed and scrape the dust and dirt off the piston.
2.PU seal has good mechanical,wear-proof and oil-proof property ,most frequently used in hydraulic oil cylinder with medium and high pressure.
3.U-Ring is the most frequently used seal in hydraulic cylinder . It's typical lip seal , which is able to gain good seal effect no matter in piston or piston rod .
4.PU seals are the most important parts for Hydrodynamic system . It may produce and put a lot power with an extremely small motor,which can activate heavyduty machinery.
5.PU seals working in a reciprocating motion.
| Product name | ZHM PU seal |
| Material | PU,FKM,NBR, etc. |
| Hardness | 70-90 shoreA |
| Temperature | -35…+120 degree centigrade |
| Color | Transparent, Green, Blue, Light Yellow, etc |
| Size | stand size or customized size |
| Medium | hydraulic oil, flame retardant oil, water, gas |
| Advantages | -High abrasion resistance. |
| Application | It is used for sealing and dust proof of piston rod in the reciprocating cylinder and pneumatic. |
| Resistance | Oil, abrasion, solvent,weather |
| Package | Inner plastic bag/outside carton |
| Certificate | ISO-9001:2000, ISOTS16949 |
We can produce products of Chinese Standard, American standard (ANSI), German Standard (DIN), Japanese Standard (JIS) and process non-standard products
ZHM Pneumatic Combination Seal Ring
| Item | d×D×H | Item | d×D×H | Item | d×D×H |
|---|---|---|---|---|---|
| ZHM 12 | 12×18×9/7 | ZHM 30 | 30×38×11/8 | ZHM 63 | 63×75×15/11 |
| ZHM 14 | 14×20×9/7 | ZHM 32 | 32×40×11/8 | ZHM 65 | 65×77×15/11 |
| ZHM 16 | 16×22×9/7 | ZHM 35 | 35×43×11/8 | ZHM 70 | 70×82×15/11 |
| ZHM 18 | 18×24×9/7 | ZHM 40 | 40×48×11/8 | ZHM 75 | 75×87×15/11 |
| ZHM 20 | 20×28×11/8 | ZHM 45 | 45×57×15/11 | ZHM 80 | 80×92×15/11 |
| ZHM 22 | 22×30×11/8 | ZHM 50 | 50×62×15/11 | ZHM 85 | 85×97×15/11 |
| ZHM 25 | 25×33×11/8 | ZHM 55 | 55×67×15/11 | ZHM 90 | 90×102×15/11 |
| ZHM 28 | 28×36×11/8 | ZHM 60 | 60×72×15/11 | ZHM 100 | 100×112×15/11 |
This is the part list of ZHM type PU seal, more dimensions pls contact us.
Our Advantages
1. Available material: NBR, HNBR, EPDM, ACM, Silicone, (FKM), etc. Wide range of material is available.
2. All manufacturing processes confirm to the ISO-9001:2000 system, ISO/TS 16949.
3. Excellent chemical and physical property, excellent in oil resistant, high/low temperature-resistant, wearing-resistant, oil-resistant, dust-resistant.
4. Custom: design and manufacture complete sets of rubber parts based on customer's requirements, any specification is welcome according to your requirements.
5. Available in various sizes and colors.
6. State standard and non-state standard sizes available.