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9/27/24 1:27 GMT
China Wholesales High Temperature Oil Seal NBR FKM PTFE Oil Seals
Oil seals are essential components in mechanical systems, designed to retain lubricants while preventing contamination. With various types available, selecting the appropriate oil seal can significantly impact the performance and longevity of machinery. This article delves into the common types of oil seals and provides guidance on how to choose the right one for specific applications. 1. Types of Oil Seals Oil seals come in various designs, each tailored for specific applications and environments. Here are some common types: · Single-Lip Oil Seals: These are the most basic form of oil seals, consisting of a single sealing lip that contacts the shaft. They are suitable for low-pressure applications and are widely used in household appliances and automotive parts. · Double-Lip Oil Seals: Featuring two sealing lips, these seals offer enhanced protection against contaminants. They are ideal for applications where dirt, water, or other impurities might compromise the sealing environment, such as in heavy machinery and construction equipment. · Spring-Loaded Oil Seals: These seals incorporate a spring that exerts continuous pressure on the sealing lip, ensuring a tight fit against the shaft. This type is particularly effective in high-speed applications, where maintaining a proper seal is crucial. Mechanical Oil Seals: Although slightly different from traditional oil seals, mechanical seals are often used in rotating equipment to prevent leaks. They consist of two flat surfaces that press against each other, providing a robust sealing solution in high-pressure situations. 2. Factors to Consider When Selecting an Oil Seal Choosing the right oil seal involves evaluating several key factors: · Operating Conditions: Consider the temperature, pressure, and speed at which the oil seal will operate. Different materials are suited for varying temperature ranges and pressures, so selecting a seal designed for those conditions is essential. · Material Compatibility: The material of the oil seal must be compatible with the lubricant and the environment. For example, nitrile rubber is commonly used for petroleum-based oils, while fluorocarbon seals are better suited for aggressive chemicals and high temperatures. · Shaft Surface Finish: The surface finish of the shaft can significantly impact the performance of the oil seal. A smooth, polished surface is ideal for achieving an effective seal and minimizing wear on the sealing lip. · Installation Environment: Consider the level of contamination the seal will be exposed to. In environments with dust and moisture, double-lip seals or those with additional protective features may be necessary. Selecting the right oil seal is critical for ensuring the reliability and efficiency of mechanical systems. By understanding the different types of oil seals and the factors influencing their performance, engineers and maintenance professionals can make informed decisions that enhance machinery operation and lifespan. Minimum Order: 1000 Contact:
Phone: Fax: Email: Xingtai Shanfeng special rubber products Co., Ltd
Hetou Industrial Zone, Renze District, Xingtai City, Hebei Province Xingtai City, Hebei China 9/26/24 8:28 GMT
Hontko HLS-S-10-1A-P Linear wire encoder
Hontko HLS-S-10-1A-P Linear wire encoder HLS-S series is an incremental wire-drawn encoder suitable for measuring shorter strokes Email: anna@cwlyautomation.com Tel: +86 13667121125 whatsapp/ vk/ telegram also available Company: CW Green Tech Measurement stroke: 1000mm Resolution: 1/0.1/0.04 mm/pulse Output signal form: ABZ three-phase Maximum response frequency: 100kHz Maximum round-trip speed: 1000mm/s Output form: push-pull output, line drive output Output voltage: DC 5-26V Protection level: IP50 Ambient temperature: 0 ~ +60℃ Specifications Measuring Range: 1000 mm Resolution: 1 / 0.5 / 0.2 / 0.1 / 0.04 mm /pulse Features Suitable for short measurement range. Contact:
Phone: Fax: Email: HONGKONG CW Green Tech Company
Xinwan Road 78 wuhan 430000 China 9/26/24 8:26 GMT
Backup Roll
check the details: https://www.tinvogroup.com/forging-steel-roll/back , up- roll.html Learn more about us and business: www.tinvogroup.com contact us for your inquiry: sales@tinvogroup.com Minimum Order: 1 bags Contact:
Phone: Fax: Email: HARBIN TINVO IMP. & EXP. TRADING CO., LTD
No. 8 Northeast New Street, Daowai District, Harbin China 9/26/24 8:24 GMT
Cast Steel Roll
check the details: https://www.tinvogroup.com/cast-steel-roll/cast-st , eel- roll.html Learn more about us and business: www.tinvogroup.com contact us for your inquiry: sales@tinvogroup.com Minimum Order: 1 bags Contact:
Phone: Fax: Email: HARBIN TINVO IMP. & EXP. TRADING CO., LTD
No. 8 Northeast New Street, Daowai District, Harbin China 9/26/24 8:20 GMT
High-Cr Composite Spin Cast Iron Roll
check the details: https://www.tinvogroup.com/cast-iron-roll/hi-cr-cp , mposite- cast-iron-roll.html Learn more about us and business: www.tinvogroup.com contact us for your inquiry: sales@tinvogroup.com Minimum Order: 1 bags Contact:
Phone: Fax: Email: HARBIN TINVO IMP. & EXP. TRADING CO., LTD
No. 8 Northeast New Street, Daowai District, Harbin China 9/26/24 8:04 GMT
Chilled Cast Iron Roll
check the details: https://www.tinvogroup.com/cast-iron-roll/chilled- , cast- iron- roll.html Learn more about us and business: www.tinvogroup.com contact us for your inquiry: sales@tinvogroup.com Minimum Order: 1 bags Contact:
Phone: Fax: Email: HARBIN TINVO IMP. & EXP. TRADING CO., LTD
No. 8 Northeast New Street, Daowai District, Harbin China 9/26/24 8:00 GMT
High NiCr Indefinite Chilled Composite Roll
https://www.tinvogroup.com/cast-iron-roll/indefini , te-chilled-cast-iron- roll.html This type of indefinite chilled cast iron roll is made of high chromium, nickel and molybdenum alloy elements. It has a double chemical. Through alloying in ordinary high nickel-chromium molten steel, the strong carbide- forming elements like niobium, tungsten, and vanadium are added at a certain ratio, and the type of carbides is changed to form high-hardness and finely mixed carbides while changing the density of precipitated particles. The outside has high tensile strength and the inside is a lower one. The hardness drop is lower, so it has high wear resistance. Application bar & wire rod mill, hot strip mill, cold strip mill, PC mill, section mill, plate rolling mill and nonferrous mill etc. Minimum Order: 1 bags Contact:
Phone: Fax: Email: HARBIN TINVO IMP. & EXP. TRADING CO., LTD
No. 8 Northeast New Street, Daowai District, Harbin China 9/25/24 15:13 GMT
Yanmar D40 40HP Diesel Outboard Motor Diesel Marine Engine
Technical specifications Configuration 4-cycle, vertical, water cooled diesel engine Number of cylinders 3 Bore and stroke mm (in.) 82 x 70 (3.23 x 2.76) Displacement cc (cu. in.) 1019 (68) Maximum output hp(kW)/rpm at crankshaft 40hp/4500rpm (29.41kW/4500rpm) Combustion system Direct injection Starting system Electric with emergency rope start Cooling system Direct seawater cooling by rubber impeller pump Lubrication system Forced lubrication with trochoid pump Generator AC dynamo built in flywheel Drive device Clutch type Dog type clutch Reduction ratio Ahead/Astern 1.846/1.846 Direction of rotation Clockwise viewed from propeller Lubrication system Oil bath Tilt up system AX-E manual AX-EP hydraulic Control device Engine speed control Remote control Clutch control Remote control Steering Remote control Transom installation Through bolts with nuts Fuel oil Diesel fuel with kerosene (Add lube oil, 30:1) Fuel oil capacity l(cu.in) 24 (1465) Minimum Order: 1 bags Contact:
Phone: Fax: Email: RST Marine Limited
RM.18, FLAT A,17/F,BILLION PLAZA II,10 CHEUNG YUE STREET,CHEUNG SHA WAN KOWLOON 202 Hong Kong 9/25/24 15:12 GMT
Yanmar D36 36HP Diesel Outboard Motor Diesel Marine Engine
Technical specifications Configuration 4-cycle, vertical, water cooled diesel engine Number of cylinders 3 Bore and stroke mm (in.) 82 x 70 (3.23 x 2.76) Displacement cc (cu. in.) 1019 (68) Maximum output hp(kW)/rpm at crankshaft 36hp/4500rpm (26.5kW/4500rpm) Combustion system Direct injection Starting system Electric with emergency rope start Cooling system Direct seawater cooling by rubber impeller pump Lubrication system Forced lubrication with trochoid pump Generator AC dynamo built in flywheel Drive device Clutch type Dog type clutch Reduction ratio Ahead/Astern 1.846/1.846 Direction of rotation Clockwise viewed from propeller Lubrication system Oil bath Tilt up system AX-E manual AX-EP hydraulic Control device Engine speed control Remote control Clutch control Remote control Steering Remote control Transom installation Through bolts with nuts Fuel oil Diesel fuel with kerosene (Add lube oil, 30:1) Fuel oil capacity l(cu.in) 24 (1465) Minimum Order: 1 bags Contact:
Phone: Fax: Email: RST Marine Limited
RM.18, FLAT A,17/F,BILLION PLAZA II,10 CHEUNG YUE STREET,CHEUNG SHA WAN KOWLOON 202 Hong Kong 9/25/24 15:10 GMT
Yanmar D27 27HP Diesel Outboard Motor Diesel Marine Engine
Technical specifications Configuration 4-cycle, vertical, water cooled diesel engine Number of cylinders 3 Bore and stroke mm (in.) 70 x 70 (2.76 x 2.76) Displacement cc (cu. in.) 808 (49) Maximum output hp(kW)/rpm at crankshaft 27hp/4500rpm (19.9kW/4500rpm) Combustion system Direct injection Starting system Electric with emergency rope start Cooling system Direct seawater cooling by rubber impeller pump Lubrication system Forced lubrication with trochoid pump Generator AC dynamo built in flywheel Drive device Clutch type Dog type clutch Reduction ratio Ahead/Astern 1.846/1.846 Direction of rotation Clockwise viewed from propeller Lubrication system Oil bath Tilt up system AX-E manual AX-EP hydraulic Control device Engine speed control Remote control Clutch control Remote control Steering Remote control Transom installation Through bolts with nuts Fuel oil Diesel fuel with kerosene (Add lube oil, 30:1) Fuel oil capacity l(cu.in) 24 (1465) Minimum Order: 1 bags Contact:
Phone: Fax: Email: RST Marine Limited
RM.18, FLAT A,17/F,BILLION PLAZA II,10 CHEUNG YUE STREET,CHEUNG SHA WAN KOWLOON 202 Hong Kong 9/25/24 15:07 GMT
Yanmar D18 18HP Diesel Outboard Motor Diesel Marine Engine
Technical specifications Configuration 4-cycle, vertical, water cooled diesel engine Number of cylinders 2 Bore and stroke mm (in.) 70 x 70 (2.76 x 2.76) Displacement cc (cu. in.) 539 (33) Maximum output hp(kW)/rpm at crankshaft 18hp/4500rpm (13.2kW/4500rpm) Combustion system Direct injection Starting system Electric with emergency rope start Cooling system Direct seawater cooling by rubber impeller pump Lubrication system Forced lubrication with trochoid pump Generator AC dynamo built in flywheel Drive device Clutch type Dog type clutch Reduction ratio Ahead/Astern 1.846/1.846 Direction of rotation Clockwise viewed from propeller Lubrication system Oil bath Tilt up system AX-E manual AX-EP hydraulic Control device Engine speed control Remote control Clutch control Remote control Steering Remote control Transom installation Through bolts with nuts Fuel oil Diesel fuel with kerosene (Add lube oil, 30:1) Fuel oil capacity l(cu.in) 24 (1465) Minimum Order: 1 bags Contact:
Phone: Fax: Email: RST Marine Limited
RM.18, FLAT A,17/F,BILLION PLAZA II,10 CHEUNG YUE STREET,CHEUNG SHA WAN KOWLOON 202 Hong Kong 9/25/24 15:04 GMT
Yanmar 12AYM-WGT 1822HP Marine Engine Inboard Diesel Engine
Rated output 1340 kW / 1822 mhp Rated Speed 1940 Displacement 40.8 ltr [2489.8 cu in] Cylinders V12 Bore x Stroke 155 mm x 180 mm Type 4-stroke, vertical. water cooled diesel engine Contact:
Phone: Fax: Email: RST Marine Limited
RM.18, FLAT A,17/F,BILLION PLAZA II,10 CHEUNG YUE STREET,CHEUNG SHA WAN KOWLOON 202 Hong Kong 9/25/24 15:02 GMT
Yanmar 12AYM-WET 1659HP Marine Engine Inboard Diesel Engine
Rated output 1220 kW / 1659 mhp Rated Speed 1900 Displacement 40.8 ltr [2489.8 cu in] Cylinders V12 Bore x Stroke 155 mm x 180 mm Type 4-stroke, vertical. water cooled diesel engine Minimum Order: 1 bags Contact:
Phone: Fax: Email: RST Marine Limited
RM.18, FLAT A,17/F,BILLION PLAZA II,10 CHEUNG YUE STREET,CHEUNG SHA WAN KOWLOON 202 Hong Kong 9/25/24 15:01 GMT
Yanmar 12AYM-WET 1550HP Marine Engine Inboard Diesel Engine
Rated output 1140 kW / 1550 mhp Rated Speed 1840 Displacement 40.8 ltr [2489.8 cu in] Cylinders V12 Bore x Stroke 155 mm x 180 mm Type 4-stroke, vertical. water cooled diesel engine Minimum Order: 1 bags Contact:
Phone: Fax: Email: RST Marine Limited
RM.18, FLAT A,17/F,BILLION PLAZA II,10 CHEUNG YUE STREET,CHEUNG SHA WAN KOWLOON 202 Hong Kong 9/25/24 15:00 GMT
Yanmar 12AYM-WST 1400HP Marine Engine Inboard Diesel Engine
Rated output 1030 kW / 1400 mhp Rated Speed 1900 Displacement 40.8 ltr [2489.8 cu in] Cylinders V12 Bore x Stroke 155 mm x 180 mm Type 4-stroke, vertical. water cooled diesel engine Minimum Order: 1 bags Contact:
Phone: Fax: Email: RST Marine Limited
RM.18, FLAT A,17/F,BILLION PLAZA II,10 CHEUNG YUE STREET,CHEUNG SHA WAN KOWLOON 202 Hong Kong SOURCE: Import-Export Bulletin Board (https://www.imexbb.com/)
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