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  • Elastomer Bellows Mechanical SealOur elastomer bellows mechanical seal comes with simple and compact structure and reliable performance. It is ideal for materials with low viscosity and can be used in water treatment, power generation and papermaking industries. We can offer a wide variety of elastomer bellows mechanical seals with varied sizes and operation conditions, etc.
  • O-Ring Mechanical SealO-ring mechanical seals use o rings for secondary seal. They are easy for replacement and can be used in wide range of applications. This type of mechanical seal can choose different types of O ring according to application demands. We introduce you a great variety of O-ring mechanical seals on this page.
  • Wedge Ring Mechanical SealThe wedge ring mechanical seal uses Teflon wedge ring or rubber O ring as for the secondary seal. It features compact structure and good corrosion resistance.
    Wedge Ring Mechanical Seal, TF PQ05
  • Cartridge Mechanical SealCartridge mechanical seal is easy for installation. It starts working as soon as the stop block for the positioning bolt is removed. The spring compression force is preset, and the sealing surfaces are well protected as they won't be exposed. Thus, the cartridge mechanical seal can be installed without high requirement on installers.
  • Metal Bellows Mechanical SealA metal bellows mechanical seal has advantages that it requires no auxiliary sealing ring, and comes with wide working temperature range from -200℃ to +600℃. In addition, it offers good adaptability to the axis's vibration and swing at high speed conditions, and also offers good compensation ability to make sure the sealing surfaces are in well condition.
  • Food Pump Mechanical SealOn this page, we show you different types of food pump mechanical seal for use in food and beverage production equipment. We can offer APV, ALfa Laval, Fristam, and Tri- Clover pump seals, and we can also manufacture products by ourselves. All materials for mechanical seal production are up to FDA standard.
  • Mechanical Seal Stationary SeatThe selection of a proper type of mechanical seal stationary seat should be determined by its operating environment, medium, pump cavity design, and more. Typical materials for making a mechanical seal stationary seat include hard alloy, aluminium oxide ceramics, silicon carbide, and graphite, etc.
  • O-RingsOur company provides a variety of O-rings, such as Viton O-ring, EPDM O-ring, silicon rubber O-ring, chloroprene O-ring, HNBR O-ring, and more. These products meet AS 568A standards. However, we can also produce non standard O-rings according to customers' requirements ...
  • Pump Shaft Sleeve, Shaft DiscOur pump shaft sleeve and shaft disc are mainly used in canned motor pumps and magnetic pumps. These products are available in a wide variety of materials and sizes, so as to suit customers' different applications ...

We are an experienced mechanical seal manufacturer in China. Our company provides a wide range of products, including elastomer bellows mechanical seal, o-ring mechanical seal, metal bellows mechanical seal, mechanical seal stationary seat, food pump mechanical seal, wedge ring mechanical seal, and more.

Decades of experience have made us experts in mechanical seals fields. We utilize the product data management(ERP) system and ISO9001:2008 quality management system in order to standardize our production processes and procedures. With a Mechanical Seal Production License, we design and manufacture our mechanical seals in line with DIN24960, EN12756, ISO3069, API610, API682, and GB6556-94 standards. We also employ experienced and highly trained staff that ensures strict quality control in each step of the manufacturing process, from material acquisition, through production to final product packaging and delivery. In addition, we have made substantial investments in the acquisition of high performance production and testing equipment. This enables us to ensure the remarkable quality of our products. Furthermore, in order to offer our superior mechanical seal to the automobile industry, we are working toward achieving the ISO/TS16949:2002 standard.

Long-term collaborative relationships with our material suppliers, as well as purchasing materials in bulk, help us to greatly reduce our material acquisition cost without sacrificing the high quality that our customers have come to expect. A talented and diligent staff, advanced production equipment, and standardized manufacturing processes and production data management all work together to improve our production efficiency and largely reduce the defective rate of our products. All of this enables us to decrease production cost, and thus offer our exceptional quality metal bellow mechanical seal, O-ring mechanical seal, and other outstanding products at competitive prices to our worldwide customers.

Located in Ningbo City, we are near Ningbo Airport and Beilun Port. We also have good relationships with TNT, FEDEX, and UPS, which allow us to ship our products quickly and conveniently. Currently, our cartridge mechanical seal, wedge ring mechanical seal, pump seal, and other products are exported to over forty-five countries around the world. If you have any questions about our wonderful products, please feel free to contact us at any time. We look forward to working with you.