Bellows Seal
Mechanical seal incorporating dynamic bellows. Available are rotary type and static type.



Style No. Pressure
Limit Temperature
Limit Production
Limit Application
Style No EVUM
EOUM
Pressure
Limit
1.18MPa
{12kgf/cm2}
Temperature
Limit
250
Production
Limit
E series
 20 -110mm

R series
 20 -160mm
Application
Low-pressure balanced type standard mechanical seal. Used as seal for low/medium/high speed rotation, for volute pumps, geared pumps, and centrifuges.
Style No EVBM
EOBM
Pressure
Limit
2.94MPa
{30kgf/cm2}
Temperature
Limit
200
Production
Limit
E series
 20  110mm

R series
 20-160mm
Application
Medium-pressure balanced type standard mechanical seal. Used as seal for low/medium/high speed rotation, for single- and multi-stage volute pumps and general equipment.
Style No HEVBM
Pressure
Limit
2.45 3.92MPa
{25 40kgf/cm2}
Temperature
Limit
250
Production
Limit
20  110mm
Application
High-pressure balanced type standard mechanical seal. Used as seal for high-pressure low/medium/high speed rotation, for boiler-feed-water pumps, high-pressure circulating pumps, etc.
Style No VDM
Pressure
Limit
1.18MPa
{12kgf/cm2}
Temperature
Limit
300
20 -90mm
Application
Low-pressure unbalanced type double-seal mechanical seal. Used as seal for volute pumps handling slurry-containing liquid, solidifying liquid, hazardous material, etc.
Style No BSBN
Pressure
Limit
1.18MPa
{12kgf/cm2}
300
 20 -70mm
Application
Low-pressure balanced type mechanical seal employing welded- metal bellows. Used as seal for low/medium/high speed pumps and centrifuges, handling heat carrier oil and liquefied gases.
Style No DOUN
Pressure
Limit
0.2MPa
{2kgf/cm2}
Temperature
Limit
150
 35  150mm
Application
Low-pressure and low-speed mechanical seal using diaphragm. Used as seal for long horizontal mixers, screw feeder s, dryers, washers, dyeing machines, etc. handling liquid, gas, and powder.
Axial runout: max. 3 mm
Eccentricity: max. 1 mm
Perpendicularity: max. 1.5 mm
Style No PDOUN
Pressure
Limit
0.05MPa
{0.5kgf/cm2}
Temperature
Limit
150
 30-145mm
Application
Low-pressure and low-speed mechanical seal using diaphragm. Used as seal for long horizontal mixers, screw feeder s, dryers, washers, dyeing machines, etc. handling liquid, gas, and powder.
Axial runout: max. 3 mm
Eccentricity: max. 1 mm
Perpendicularity: max. 1.5 mm