M7N Seal with Wave Spring,pressure is more stable and better performance.Special design and shaft size more than 100mm is available.It's widely used for industrial pump.our Mechanical seal model  M7N can Replace BURGMANN M7N and MTU DR1-D,which is widely used for industrial pumps.  
The normal material combination include SIC/RESIN CARBON/NBR/SS304,sic/sic/nbr/ss304,tc/tc/nbr/ss316 and so on.
we also can make changes as customers'requirement or totally design a new type of mechanical seal to meet clients'needs.
 

TS M7N(TSM) TS M74
Operating Limits:
Pressure: ≤1.6MPa
Speed: ≤20m/s
Temperature: -30ºC~+200ºC
 
Rotary Ring (SiC/TC/Carbon)
Stationary Ring (Carbon/SiC/TC)
Secondary SeaI (VITON/Encapsulated Ring)
Metal Parts (SUS304/SUS316)
Spring (17-7PH/SUS304/SUS316)
 
For the G4 / G6 / G9 / and G13 seats refer to the "Stationary Seats Dimensional Data" table at the front of the catalog.