Abstract: A seal support system for a mechanical seal includes a system vessel for containing barrier fluid. Closed loop pipe work connects the vessel to a mechanical seal with a device provided for feeding barrier fluid to the system vessel. A further vessel is provided that is able to be in fluid communication with the system vessel. The further vessel may be provided with an elastomeric membrane, which may be filled with a gas under pressure to an extent required to allow for the effect of the highest anticipated temperature which might occur in a particular application.

Abstract: A seal support system for a mechanical seal includes a system vessel for containing barrier fluid. Closed loop pipe work connects the vessel to a mechanical seal with a device provided for feeding barrier fluid to the system vessel. A further vessel is provided that is able to be in fluid communication with the system vessel. The further vessel may be provided with an elastomeric membrane, which may be filled with a gas under pressure to an extent required to allow for the effect of the highest anticipated temperature which might occur in a particular application.

Abstract: A mechanical seal face component having a base material with a high ductility or tensile strength and being substantially covered with a coating for providing a sealing surface. The base material preferably includes carbon or stainless steel. The coating preferably includes hard metal alloy, for example, a tungsten-based alloy, and preferably has a thickness no greater than 1.5 mm, which may be applied by vapor deposition.

Abstract: A mechanical seal support system includes a bladder accumulator and a device for generating an electrical signal responsive to the temperature and pressure within the bladder accumulator and for generating an electrical signal indicative of the volume of a liquid in the accumulator. A display device receives the signal and provides a visual indication of the volume of the liquid.