• • Suitable for high viscosity fluid
• • Light abrasive and sewage handling pumps
• • Handles abrasive slurries of moderate cone
• • Lime pumps in sugar industry

Single spring is independent of direction of rotation due to unique position drive lug design which avoids any torsional load on the spring. This increases spring many times move and minimizes drag on the rotary seal face with the sturdy and long spring design the seal can tolerate greater amount of misalignment ,vibration ,thermal expansion and axial play of the pump shaft.