Heavy duty solutions for medium and high pressures operations are widely used on multistage and boiler feedwater pumps.
The BS3A has a type A pinned stationary seat, pressure balanced, manufactured in accordance with UNI EN 12756 (ex DIN 24960). Suitable for clockwise or anti-clockwise rotation.
With the three drive lugs on the rotating body, the mechanical seal can tolerate high levels of vibration and mechanical stress.
The O-ring is easily romovable and refitted when assembling the seal on shaft with keyways, threads or sharp edges. the BS3A version is supplied with a single spring and is more suitable for moderately dirty liquids.
|20 – 100 (mm) *||0 – 20 (m/sec)||0 – 75 (bar g)||-100 – 250 (°C)|
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