Mechanical seal with PTFE bellows R-WB3 - single, unbalanced. For external installation, independent of the direction of rotation of the shaft. It is used at temperatures from - 20ºC to +180ºC, with pressures up to 0.8 MPa and rotational speeds up to 10 m/s.
The R-WB3 mechanical seal is installed on Qeehua's QHB series chemical pumps and other chemical pumps.
Documentation Mechanical seal for chemical pump QHB with PTFE bellows R-WB3 25, L, CAR/SIC, VITON, 304
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