



John Crane Metal Bellow Mechanical seal
Characteristic for this mechanical seal:
Typical motionless corrugated-pipe machine sealing structure,
flange jointing, compulsory refrigeration,reasonable design.
Operating Limits:
Pressure: ≤30kg/cm2
Temperature: ≤450oC
Linear speed: ≤30m/s
Materials:
Rotary Ring: Carbon/SiC/TC
Stationary Ring: Ceramic/SiC/TC
Secondary Seals: NBR/FPM/EPDM
Spring & Other Parts: SS304/SS316
Applications:
Shaft Size =14 ~100mm
Pressure: 4.0 Mpa
Temperature: -40 ~ 150℃
Speeds: 13 m/s
Used in different pumps,compressors,auto-cooling machine,mixers and other rotating equipments which apply to oil,water and weak corrosive solutions.
Equivalent to John Crane type 502
Features:
·Simple structure,better integration and compact construction,reliable seal and long operation cycles.
·Suitable for many specifications and designs which conform to GB6556,ISO3069 and DIN24960.
