Rubber Bellows Mechanical Seal WM155/155B

Rubber Bellows Mechanical Seal WM155/155B is compact unitized, single-spring elastomer bellows seal that offers maximum durability and performance. lt is often found in water-based applications, such as wastewater treatment potable water, HVAC, pool and spa, and other general applications. And even with some content with abrasive and for a very wide operating condition designed for a centrifugal pump.

Product Description

Rubber bellow mechanical seals are designed with the rubber bellows. Rubber provides the secondary seal between each seal face and adjacent seal face. One seal face is fixed and seals statically using an o-ring or cup gasket. The other is spring-loaded and requires a semi-dynamic seal to accommodate some axial play, such as a dynamic o-ring in pusher-type mechanical seal face seals or elastomeric bellows in non-pusher ones. The semi-dynamic applications(involving flexing and sliding of the elastomer)can be critical for maintaining proper contact between the faces through face friction, shaft movements, etc.


Wendong supplies a range of rubber bellows seals to suit a range of applications and media, from water and general liquids through to mildly aggressive and aggressive fluids. We offer rubber bellows mechanical seals in a variety of materials to suit different applications.


Performance Capabilities of Rubber Bellows Mechanical Seal WM155/155B

Pressure: ≤ 1MPa

Speed: ≤ 10m/s

Temperature: -30℃ ~+200℃


Combined Materials of Rubber Bellows Mechanical Seal WM155/155B

● Rotary Ring (Plastic Carbon/ Carbon/Sic/tc)

● Stationary Ring (Ceramic/Sic/tc)

● Secondary Seal(nbr/Epdm/VITON)

● Spring & Other Parts(Sus304/Sus316)

WM155-650


WM155-800




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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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