
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 | 1. high wear resistance 2. high impact resistance 3. anti-extrusion 4. small compression deformation 5. Adapt to the toughest working condition 6. Sufficient lubrication due to the pressure medium of between the sealing lip 7. Prevent outer air entering 8. Easy installation |
Application | use for hydraulic parts , and other construction machine spare parts |
Resistance | Oil, abrasion, solvent,weather |
Package | plastic bag inside and carton outside |
Certificate | ISO-9001:2000, ISOTS16949 |
DH/LBH DUST SEAL
Item | d×D×H | Item | d×D×H | Item | d×D×H |
DH 14 | 14×22×6/4.5 | DH 53 | 53×61×6.5/5 | DH 113 | 112×122×8/6 |
DH 16 | 16×24×6/4.5 | DH 55 | 55×63×6.5/5 | DH 115 | 115×125×8/6 |
DH 18 | 18×26×6/4.5 | DH 56 | 56×64×6.5/5 | DH 118 | 118×128×8/6 |
DH 20 | 20×28×6/4.5 | DH 60 | 60×68×6.5/5 | DH 125 | 125×138×9.5/7 |
DH 22 | 22×30×6/4.5 | DH 63 | 63×71×6.5/5 | DH 132 | 132×145×9.5/7 |
DH 22.4 | 22.4×30.4×6/4.5 | DH 65 | 65×73×6.5/5 | DH 136 | 136×149×9.5/7 |
DH 25 | 25×33×6/4.5 | DH 67 | 67×75×6.5/5 | DH 140 | 140×153×9.5/7 |
DH 28 | 28×36×6/4.5 | DH 70 | 70×80×8/6 | DH 145 | 145×158×9.5/7 |
DH 30 | 30×38×6/4.5 | DH 71 | 71×81×8/6 | DH 150 | 150×164×9.5/7 |
DH 31.5 | 31.5×43×6.5/5 | DH 75 | 75×85×8/6 | DH 155 | 155×168×9.5/7 |
DH 32 | 32×40×6.5/5 | DH 80 | 80×90×8/6 | DH 160 | 160×174×9.5/7 |
DH 35 | 35×39.5×6.5/5 | DH 85 | 85×95×8/6 | DH 165 | 165×179×9.5/7 |
DH 36 | 36×44×6.5/5 | DH 90 | 90×100×8/6 | DH 170 | 170×185×14/11 |
DH 38 | 38×46×6.5/5 | DH 95 | 95×105×8/6 | DH 175 | 175×188×9.5/7 |
DH 40 | 40×48×6.5/5 | DH 100 | 100×110×8/6 | DH 180 | 180×194×9.5/7 |
DH 45 | 45×53×6.5/5 | DH 105 | 105×115×8/6 | DH 200 | 200×214×9.5/7 |
DH 48 | 48×56×6.5/5 | DH 106 | 106×116×8/6 | DH 204 | 204×218×9.5/7 |
DH 50 | 50×58×6.5/5 | DH 110 | 110×120×8/6 | DH 210 | 210×226×9.5/7 |
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.
Qingdao Global Sealing-tec co., Ltd
Company presentation
Qingdao Global Sealing-tec co., Ltd, (Established on the basic of the International Trade Dept. of Qingdao TKS SealingIndustry Co., Ltd). TKS is a leading specialized manufacturer of rubber and plastic sealing products, such as oil seals, valve stem oil seals, PTFE oil seals,O rings, dust boots, sealing gaskets etc. Based in beautiful coastal city--Qingdao, China, TKS serves OEMs and parts manufacturers of automobiles, motorcycles, household appliances, locomotive and rolling stocks, hydraulic and pneumatic, engineering and agricultural machineries,coal mining machineries, oil-field machineries etc. Our products are not only well-sold in China, but also exported to the USA, Canada, Germany and Australia etc.
By executing the principle of “Be a technology-oriented enterprise”, TKS has continuously improved its technology level. By the end of 2011, we had 275 authorized patents.
TKS adheres to the quality policy of “Continuous Improvement, Quick Response, Customers’ Satisfaction”, has established and improved a complete quality management system, and has been ISO9001 quality system certified since 1998, ISO/TS 16949:2002 since 2005 by DNV and ISO/TS 16949:2009 since 2010 by TUV.
Looking to the future,TKS adheres to the mission of “Creating innovative products that bring benefit to human society”, by speeding up the advancement of industrial technology, strengthening the management innovation, struggls forward to realize the company’s vision --“To be an employees-happy, community-respected and environment-friendly century-old enterprise.”
Main Customers:
Products Specifications
Whatever our customers need, TKS can offer the best design for any application
TKS can offer the best design, sample, production of any speciation our customer requires.
Please ask us anything about sealing or other industrial applications
TKS offers most suitable material.
TKS’s main Rubber Compounds and Thermoplastic Elastomers are shown on up.
TKS can offer the best Rubber Compounds and Thermoplastic Elastomers, whichever our customer requires.
R & D
Qingdao TKS Sealing Industry Co., Ltd Technology Research Center
and rubber seal, is a seal of basic research, industrial research,
applied research and technology management in an integrated R &
D institutions, is a technical center in Qingdao city, is Shandong
Province, the first identified one of the units at the provincial
level technical center.
Qingdao TKS Sealing Industry Co., Ltd Technology Research Center and rubber seal, is a seal of basic research, industrial research, applied research and technology management in an integrated R & D institutions, is a technical center in Qingdao city, is Shandong Province, the first identified one of the units at the provincial level technical center.
Strong R & D technology center, with a large number of experienced engineering and technical personnel, including senior engineering and technical personnel more than 23 titles, undergraduate and over 37 academic staff.
Our advantage
Production Equipments and Testing Facilities