Seal maintenance can be a time consuming and costly proposition for rotating shaft equipment and machinery including large pumps. That was the case at a many electricity production plants and factories, where the recirculating service pumps were regularly installed and maintained by the Metal Wiper Seals.
Repair or replacement of one of its cartridge screens meant disassembling the machinery, removal and replacement of the screen and reconstruction of the pump— which took 240 man-hours over several days.
During these long service periods, the power plant also had to face a high risk of unplanted power failures or emergency shutdowns of Hydraulic Cylinder Piston Seals.
The plant can be maintained on a pump each time, while the normal pump and its corresponding system were down. The pump manufactured by the Oil Seal Suppliers was supposed to be a backup pump. The system supplies the surrounding region with essential electricity, including fireplaces, hospitals, pensioners and the overall economy. The results could be catastrophic if the backup pump has experienced any problems.
A common question
Maintenance personnel and operators in many other process industries are familiar with the problems with Metal Wiper Seals maintenance. Long downtimes for maintenance can consume time and profit in production.
While some sectors stop manufacturing in order to replace a pump seal, shutting off is not an option for power plants or other key service providers. These Oil Seal Suppliers often rely on maintenance backup equipment, making fast uptime particularly crucial for their regular equipment. The loss of key services, fines by government agencies and millions of lost incomes can lead to a backup pump problem.
Better Sealing System
The power plant often replaces the cartridge screen of one of their large pumps with a fully split mechanical screen to reduce their maintenance time and costs. In contrast to conventional non-split cartridge screens, separate screens can be installed without decommissioning the Hydraulic Cylinder Piston Sealed equipment. This makes it a good option for equipment, time-sensitive services and critical systems that can be difficult to disassemble.
When selecting a scattered design of Metal Wiper Seals, operators shall adhere to all operating conditions to those same selection criteria as for a non-split design. As with mechanical screens without any split, a number of designs are available to meet the requirements of a number of specific applications. In these specific situations, the plant chose a split screen specifically for rotating shaft equipment and pumps that are difficult to maintain and which are heavy-duty horizontal or vertical.
The Oil Seals could handle large deflections of the shaft, high vibration levels and even major errors. A minimal set of components and no springs or O-rings have been selected for the design to further streamline the installation process and prevent installation errors.
A Hydraulic Cylinder Piston Seal can install the original non-split and cartridge screen can be removed; the special hardware adapter, with which the split screen moves, can be installed; and the screen can be mounted outside the pump’s screening chamber. With this location, all the split density components can easily be accessed and seen.
They have a similar lifespan to conventional non-split Oil Seals with proper installation and maintenance and can operate reliably for years.