O Ring Mechanical Seals WMM7N M74N

China O ring mechanical seals WMM7N M74N is one of the most frequently used products in sealing applications. The mechanical seal o ring is relatively inexpensive and reliable. Applications range from garden hose couplings to critical aerospace or chemical plant duties.

Product Description

China O Ring Mechanical Seals WMM7N M74N is also used to seal gases in high-speed compressors. These o ring mechanical seals utilize a controlled barrier gas and spiral grooves in the counter face which provide aerodynamic liftoff or gas lubrication between the seal faces. 


Wendong, as a China mechanical seal company, can supply O ring mechanical seals WMM7N M74N according to customer drawings and specifications. The o ring mechanical seals can be supplied plain, shrink-fitted, or cemented in metal retaining rings. Wendong mechanical seal rings can also be supplied with the sealing face lapped flat to one helium-light band.


One of the key strengths of a China O ring mechanical seals WMM7N M74N is that after the parts it joins are disconnected and the compression forces acting on it are removed, it will return to its original shape. Over time, repeating this process will start to have an effect on the resilience and uniformity of the materials and the torus shape of the seal, and ultimately the o-ring will need swapping out for a new one if the seal is to remain tight.


Features of China O Ring Mechanical Seals WMM7N M74N

· For unstepped shafts

· Single seal

· Balanced

· Independent of the direction of rotation

· Encapsulated rotating spring


Advantages of China O Ring Mechanical Seals WMM7N M74N

· Especially designed for solids containing and highly viscous media

· Springs are protected from the product

· Rugged and reliable design

· No damage of the shaft by dynamically loaded O-Ring

· Universal application

· Variant for operation under vacuum available

· Variants for sterile operation available


Applications of China O Ring Mechanical Seals WMM7N M74N


· Pharmaceutical industry

· Power plant technology

· Pulp and paper industry

· Water and wastewater technology

· Mining industry

· Food and beverage industry

· Sugar industry

· Dirty, abrasive, and solids containing media

· Thick juice (70 ... 75 % sugar content)

· Raw sludge, sewage slurries

· Raw sludge pumps

· Thick juice pumps

· Conveying and bottling of dairy products


Performance Capabilities of China O Ring Mechanical Seals WMM7N M74N

Pressure: ≤ 1.6MPa

Speed: ≤ 20m/s

Temperature: -30℃ ~+200℃    


Combined Materials of China O Ring Mechanical Seals WMM7N M74N

● Stationary Ring (Ceramic/Sic/tc) 

● Rotary Ring ( Carbon/Sic/tc)

● Secondary Seal(nbr/Epdm/Viton)

● Spring and Punched Parts(Steel)

WMM7N-650



WMM7N-800

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WenDong specializes in produce mechanical seals and custom mechanical seals solutions. By utilizing our extensive expertise, we can provide a complete solution to your challenge.

Chehe Industrial Park Shiqi Town Ningbo Zhejiang, China

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