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Products Name:Model M7N mechanical seal

Products Details:Single end / non balance / arbitrary rotation / DIN24960 standard, M7N series is widely used, interchangeability is strong, sealing ring is not tight embedded, easy to replace. The pushing ring is jammed by the driving belt to prevent the spring from falling off. The static ring can be limited, and the spring stroke is limited to avoid excessive wear of the carbon ring.

Operating parameters:
d1=14…200mm 0.55”…8”,p1=16(25)bar 230(360)PSI,t=-50…220℃,-58F…430o,Vg=20m/s 66ft/s,Axial thrust:

d1 up to 25 mm: ±1.0mm
d128 to 63 mm: ±1.5mm
d1 65 mm and above: ±2.0mm

M74N multi spring structure

Stationary ring


Torque transfer

d1>100mm
由四只螺釘擰入凹坑。

M7F thread pump
d1 max. 100mm
M74F multi spring threaded pump
d1 =14…200mm
M7 S2 key drive
d1 max. 100mm
M74 S2 multiple spring key drive
d1 =28…200mm

Mosaic structure for M78N rotary ring
d1 =18…100mm
t max. 180℃