The Seal Type 43 with Single Spring designed and is depended on the Shaft Rotation. Looking from Sliding Face of the Rotating Seal Ring is designed as right handed Shaft Rotation needs a right hand Spring and Vice-Versa. In Seal Type 43 ('O' ring type) is designed as Torque Transmission from Drive Collar to Seal Ring to be done through Sturdy Drive Lugs. In Seal Type 45
('V' Packing Type) is designed as Torque Transmission from Drive Collar to Seal Ring to be done through Sturdy Drive Lugs. These Seals are Cost Effective Seals for Basic Application Equipment such as Centrifugal Pump and other Equipment with Rotating Shaft, Handling Crystallizing Slurry, Suspended Solid Slurry, Saturated Chemical Slurry and General Chemical Slurry.
Single Acting Unbalance Pusher Mechanical Seals. Inside Mounted Mechanical Seals. Spring Design depended on Shaft Rotation. Type 45 seal is Universal Chemical Compatibility due to design of PTFE Elastomer