SINGLE SPRING COMPONENT

Torque of pump shaft drives through drive band & notches.

Equivalent to John Crane Type 21, Pac-Seal Type 21, US Seal C Head.

Designed for shorter operating lengths than the A1.

Full convolution bellows allows for maximum flexibility.

Seal face torsional movement is restricted by anti-rotation dent & groove.

Balanced face design allows for higher pump pressures.

Bellows design enhances alignment capabilities & helps compensate for face wear.

Machined head standard to withstand more rigorous conditions.