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Equivalent to John Crane 21Applications:
Shaft Size =0.375 3.000'',
12 85mm
Pressure: 1.6Mpa
Temperature: -40 200
Speeds: 15m/s
Equivalent to John Crane type 21/521,Pac-seal type 21,US Seal type C
Materials:
Rotary Ring: Carbon/SiC/TC
Stationary Ring: Ceramic/SiC/TC/Ni-resist
Secondary Seals: NBR/FPM/EPDM/Neoprene
Spring & Other Parts: SS304/SS316/SS316Ti
