Balance seal compensates for higher pressures by locating faces such that stuffing box pressure has less effect on face closure.
Balance mechanical seal such as this type of RCH75FII seal,
Operating conditions
Temperature: -20 to +200°C
Pressure: ≤2.5MPa
Speed: ≤20m/s
Materials
Stationary ring: sic, ceramic etc.
Rotary ring: carbon graphite, sic, etc.
Secondary seal: NBR, EPDM, Viton
Others: SS304, SS316, etc.
Mediums: water,oil, acides, alkali with low corrosion, etc.
Size: 14mm to 95 in metric available