Whether to is it except that there should be good sealed materials , also want according to following correct installation way to seal security system.

*The spacer must be laid the centre heart in the flange, this point is especially important to the protruding shoulder flange

*Guarantee to seal roughness of the surface and machining accuracy

*Fastening connection bolt that must be even and symmetrical

*Must use gold sessions of washer so as to ensure load to be even , use spraining the moment spanner while fastenning the bolt

*After the system runs for one day , check and correct the torsion which join the bolt again

*In order to guarantee spacer service life , please don't use the liquid or Fang with metal base body to glue the pharmaceutical or lubricant