Oil Seal Basic Info :
1.Raw-Material Brand: DuPont (US) / Dow Corning (Germany) / Bayer (Germany) / 3M
2.Mould List: Factory had own mould department, more than 70000 size had mould
3.Type for choose : TC / SC / TB / SB / VC / TA / SA / VB / VA and so on
4.Size Range: ID from 5mm to 1M
5.Products Application: Metallurgical, chemical, engineering, construction, mining, petroleum machinery and various types of instrumentation
6.Material Type: NBR/FKM/EPDM/ACM/Siilicone/...etc.
7.Color: Black, white, red, green, or any
8.Parameters: Temperature from -60° C to +220° C
9.Factory get IS0/TS 16949:2009 certificated.Products with Wras/ KTW-W270/ Watermark/ LFGB / RoHs / Reach / FDA certificate.
10. All customize size is acceptable.
| Materials |
Materials &
Temperature Ranges |
Fluid Examples |
| Suitable With |
Not Suitable With |
Nitrile (NBR)
-40ºC to 120ºC
-40ºF to 248ºF |
Petroleum Oils
Hydraulic Oils
Water |
Brake Fluids
Ketones
Phosphate Esters
Strong Acids (H2S) |
Hydrogenated Nitrile (HNBR)
-40ºC to 150ºC
-40ºF to 302ºF |
Petroleum Oils
H2S (10%)
Water |
Polar Solvents
Brake Fluids
Strong Acids |
Ethylene Propylene(EPDM)
-50ºC to 150ºC
-58ºF to 302ºF |
Brake Fluids
Water/ Hot Water
Steam |
Mineral Oils
Ozone at High Temperatures |
Fluoroelastomer (FKM)
-20ºC to 200ºC
-4ºF to 392ºF |
Petroleum Oils
Silicone Oils
Gasoline |
Brake Fluids
Ammonia Gas
Steam |
Perfluoroelastomer (FFKM)
-20ºC to 320ºC
-4ºF to 608ºF |
Most Media |
Liquid Sodium & Potassium
Fluorinated Solvents &
Refrigerants |
Silicone (VMQ)
-70ºC to 220ºC
-94ºF to 428ºF |
Vegetable Oil
Water
Ozone |
Acids &Alkalis
Hot Water & Steam (>120ºC) |
Neoprene (CR)
-40ºC to 120ºC
-40ºF to 248ºF |
Ammonia
Refrigerants
Ozone |
Aromatic Hydrocarbons
Polar Solvents
|
PTFE
-200ºC to 280ºC
-148ºF to 536ºF |
Most Media |
Fluorine
Molten Alkali Metals
Strong Oxidizing Agents |
Polyurethane (PU)
-40ºC to 90ºC
-40ºF to 194ºF |
Most Petroleum Oils |
Brake Fluids
Hot Water
Steam |
PEEK
-70ºC to 260ºC
-94ºF to 500ºF |
Most Media |
Hydrochloric, Nitric &
Sulfuric Acids |
Valve Stem Seal Applications:
Valve stem seals are primarily used in internal combustion engines, specifically in the cylinder heads, to provide a seal between the valve stem and the valve guide. These seals find application in various types of engines, including:
- Automotive Engines Seal: Valve stem seals are widely used in automotive engines, including gasoline engines, diesel engines, and compressed natural gas (CNG) engines. They ensure proper sealing between the valve stem and the valve guide in both intake and exhaust valves.
- Motorcycle Engines Seal: Valve stem seals are also employed in motorcycle engines, where they perform the same function of sealing the valve stems and preventing oil leakage into the combustion chamber.
- Marine Engines Seal: Valve stem seals are utilized in marine engines that power boats and other watercraft. These engines, whether gasoline or diesel-powered, require effective valve stem seals to maintain proper lubrication and prevent oil leakage under marine operating conditions.
- Small Engines Seal: Valve stem seals are found in small engines used in applications such as lawnmowers, generators, chainsaws, and other power equipment. They ensure proper valve stem lubrication and prevent oil from entering the combustion chamber.
- Heavy-Duty and Industrial Engines Seal: Valve stem seals are used in heavy-duty and industrial engines, including those found in trucks, construction equipment, agricultural machinery, and power generation units. These engines operate under demanding conditions and require reliable valve stem sealing for optimal performance and durability.
- Racing Engines: Valve stem seals play a crucial role in racing engines, where high-performance and precision are paramount. They help maintain proper lubrication and prevent oil consumption during high-speed operation.
Why Choose BOMAN?
1. We are professional RUBBER SEAL manufacturer and have more than 15 years export experience in different market.
2. Have excellent quality and serving several global top 500 companies.
3. Have a strong technical team can customize rubber raw-material formula according to different needs.
4. Have perfect After-Sales team, once cargo have problem will be 100% recall in the first time.
5. Have own mold department can finished mold process in very fast time and accept any high difficult mold.
6. Factory have IATF 16949:2016 certificated and product with: KTW-W270/ Watermark/ LFGB / RoHS/REACH/FDA certificated.
FAQ
Q: What about your product MOQ?
A: Different product the MOQ was different, usually one size order amount match 150USD.
Q: Supply OEM service?
A: Yes, we have OEM/ODM service.
Q: What about your payment terms?
A: 30% T/T deposit in advance, 70% balance before shipment after presentation of ready cargo. Old customer no need advance desposit payment.
Q: What about your order lead time?
A: Usually it was 15-20days finished order, if summer season due to high temperature the lead time need 30days.
Q: Can you supply free samples?
A: Yes, once order make sure we can supply free samples and afford delivery cost.
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