NOTE / BE AWARE - Focus on the 2nd Pic / D7 - Make sure as is this can vary
you must please be fully aware that some seal seats / D7 differ / Make sure 
if you are not sure advise.
Replacement / Market Mechanical Seals - Same 
Pressure: Up to 6 bar,87psi
Tempreture Range: -30 to 150 deg C
Speed: 10 m/s

Other Names for the same SAME SEAL Mechanical Seal
John Crane  Cyclam PR / DR / 
Roten 37B / L 5
Flowserve  118
Latty  T750 
AFTER Market Replacement Mechanical Seal - Not OEM