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Lepu durable o ring customization for water

Lepu durable o ring customization for water

Brand Name
Place of Origin
Guangzhou, China
Model Number
Shaft size
Avaiable material
OEM/ODM Availability
Carton box
Delivery Time
1 day
Supply Ability
1 set
Payment Terms
L/C, T/T, Western Union, MoneyGram
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Product Information of Lepu durable o ring customization for water
Enterprise Strength
  • LEPU SEAL always insists on the idea that service comes first. We are committed to fulfilling customers' needs by providing cost-effective services.
Company Advantages
1. Lepu viton temperature range meets the newest national and hardware industries quality standards in regards to its production workmanship as well as specification requirements.
2. The product has an accurate running function. It is designed with a precise control system that enables it to work consistently under the given instructions.
3. The product is characterized by its improved flexibility. It is able to support multiple directions to complete various kinds of multiple tasks.
4. Guangzhou Lepu Machinery CO., LTD has complete production equipment and advanced technological process.
5. Overall, a high quality o ring always attracts many customers.

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This mechanical seal is a standard seal for plain shafts, this m3n mechanical seal designed with rotating conical spring, and it is a single and unbalance seal, and it is a dependent on direction of rotation seal type

As a standard mechanical seal, burgmann m3n seal is widely used in many kinds of industry pumps, like water pumps, sewage pumps, submerged pumps, chemical pumps, and so on.



100% same design as a replacement for burgmann m3n mechanical seal
Different type material for seal face, matching clients running request
Top quality stainless steel SS304 for seal frame and spring
Left rotating or right rotating spring are all available in our factory

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Advantage introduction:competitive price+ fast delivery+top after-sale service



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  • ◪  Universal application opportunities

  • ◪  Insensitive to low solids content

  • ◪  No damage of the shaft by set screws

  • ◪  Large choice of materials

  • ◪  Short installation lengths possible (G16)

  • ◪  Short installation lengths possible (G16)



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Working Range:

Pressure: p1 = 10 bar (145 PSI)
t = -20 °C ... +140 °C (-4 °F ... +355 °F)
Sliding velocity: vg = 15 m/s (50 ft/s)
Axial movement: ±1.0 mm



◪  Chemical industry

◪  Pulp and paper industry

◪  Water and waste water technology

◪  Building services industry

◪  Food and beverage industry

◪  Sugar industry

◪  Low solids content media

◪  Water and sewage water pumps

◪  Submersible pumps

◪  Chemical standard pumps

◪  Eccentric screw pumps

◪  Cooling water pumps

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Guangzhou Lepu machinery CO., LTD becomes one of the leading mechanical seal supplier in south of china, we focus in designing and manufacturing mechanical seal for many kinds of famous brand pumps, our mechanical seal cover many kinds of industry like food, petrol chemical, paper making, sea ship, and so on.

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Company Features
1. Guangzhou Lepu Machinery CO., LTD is technically advanced, which primarily manufactures o ring .
2. In order to improve the core competitiveness, the technical center of Lepu has fully learnt the advantages of advanced technology.
3. Protecting the environment is one of the basic principles underlying our operations. So far, we've made green & renewable energy investment, carbon management, etc. We stick to integrity. We ensure our principles of integrity, honesty, quality, and fairness are incorporated into our business practices on a global scale. Our mission is to provide the best results for our customers. We continuously improve our processes in terms of products and services. We are considering how we can reduce and handle the waste during our own operations. We have a lot of opportunities to reduce waste, for example by rethinking the way we pack our goods for shipment and distribution and by also following a waste segregation system at our own offices.


High Precision EPDM O Ring for Sealing





Diameter of O-ring ranges from 7mm to 1200mm, with wire diameter from 1.8mm to 12mm range. There are thousands of product categories, as well as customization according to users’ requirements. 



 The rubber seal ring and gasket researched and developed independently by Shandong Taikai Electric Insulation Co., Ltd. is widely used in mechanical equipment sealing. Weve got nearly 20 years of sealing ring and gasket production experience with excellent formula. Performance in type test is excellent. The product range is mainly O-ring rubber ring, rectangular rubber seals, gasket, sealed spool and so on




1. Formula Characteristics


(1) Made of EPDM imported from Japan Synthetic Rubber Company;

(2) Adopting Peroxide vulcanization system to keep relative small compression permanent set;

(3) Properly filling optimized carbon black to get great sealing performance and reduce SF6 gas penetration, meeting the 5-hour bandage test. SF6 leakage less than 15ppm;

(4) Excellent weatherability, working well in temperature of -45 °C to 120 °C;

(5) Proper hardness and excellent mechanical properties;

(6) Excellent acid and alkali resistance,heat resistance.


2. Service Life

The sealing ring is mainly used in HV switch sealing in transformer substation. The service life can be up to 55.6 years as tested by Northwest Rubber & Plastics Research Institute.


3. Application

Apart from transformer substation and high voltage switch, our products are extensively used in chemical industry, petroleum industry, medical technique, food industry, sewage-disposal industry, steel industry, semi-conduct industry and so on.







Shandong Taikai Electrical Insulation Co., Ltd. is a producer, developer and manufacturer specializing in epoxy resin high-voltage insulation products, vacuum pressure resin impregnated pipe products, high voltage circuit breaker nozzles and composite insulation products.

Our company is equipped with 6 epoxy resin vacuum casting production lines, 4 vacuum resin impregnated pipe production lines, 2 high voltage circuit breaker nozzle production lines and 19 vulcanizing machines. The factory covers a construction area of 12,000 m2.

In terms of integrated capability for research, development and manufacture, we leads the insulation industry of China, enjoying a high reputation.







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