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Optima seals are sealing devices installed to prevent leakage between the pump shaft and the housing. Common types of shaft seals include packing seals, mechanical seals, and dynamic seals. The shaft seal of a reciprocating pump is usually a packing seal. When transporting media where leakage is not permitted, a diaphragm reciprocating pump can be used. The shaft seals of rotary pumps (including vane pumps, rotor pumps, etc.) mainly include packing seals, mechanical seals, and dynamic seals. The shaft seal of a reciprocating pump is usually a packing seal. When transporting media where leakage is not permitted, a diaphragm reciprocating pump can be used. The shaft seals of rotary pumps (including vane pumps, rotor pumps, etc.) mainly include packing seals, mechanical seals, and dynamic seals.

Optima seal advantages

1) Oil seals have a simple structure and are easy to manufacture. Simple oil seals can be molded in one step; even for the most complex oil seals, the manufacturing process is not complicated. Metal-cased oil seals only require processes such as stamping, bonding, inlaying, and molding to combine metal and rubber into the required oil seal. 2) Oil seals are lightweight and consume little material. Each oil seal is a combination of thin-walled metal and rubber components, resulting in minimal material consumption and very light weight for each seal. 3) Oil seals require a small installation space and have small axial dimensions, making them easy to machine and allowing for compact machine design. 4) Oil seals offer good sealing performance and a long service life. They have certain adaptability to machine vibration and main shaft eccentricity. 5) Oil seals are easy to disassemble and convenient to inspect. 6) Oil seals are inexpensive.

Optima seal precautions

1) Preparation and precautions before startup: a a. Conduct a comprehensive inspection to ensure that the mechanical seal, auxiliary devices, and piping installations are complete and comply with technical requirements. b b. Perform a static pressure test on the mechanical seal before startup to check for leakage. If there is significant leakage, identify the cause and eliminate it. If this is ineffective, disassemble, inspect, and reinstall. The static test pressure is generally 2~3 kg/cm². c c. Rotate the pump according to its direction of rotation to check if it moves smoothly and evenly. If rotation is difficult or stuck, check for errors in assembly dimensions and unreasonable installation. 2) Installation and shutdown: a a. Keep the seal chamber filled with liquid before startup. When transporting media that solidifies, use steam to heat the seal chamber to melt the medium. Manual rotation must be performed before startup to prevent sudden startup from causing the soft ring to shatter. b b. For mechanical seals utilizing an external seal oil system, start the seal oil system first. Stop the seal oil system last after shutdown. c c. After stopping a hot oil pump, do not immediately stop the cooling water for the seal oil chamber and face seal. Wait until the oil temperature at the face seal drops below 80 degrees before stopping the cooling water to avoid damaging the seal parts. 3) Operation: a a. If slight leakage occurs after the pump starts, observe for a period of time. If the leakage does not decrease after continuous operation for 4 hours, stop the pump for inspection. b b. The operating pressure of the pump should be stable, with pressure fluctuations not exceeding 1 kg/cm². c c. During pump operation, avoid cavitation to prevent dry friction on the sealing surfaces and seal damage. d d. Regularly inspect the sealing condition. During operation, if leakage exceeds the standard (no more than 5 drops/min for heavy oil, no more than 10/min for light oil), and there is no improvement within 2-3 days, stop the pump to inspect the sealing device.

Optima seal precautions

1) Before designing grooves, please carefully read the product descriptions for each series to distinguish whether the product uses an integral groove or a split groove. During the seal installation process, avoid sharp edges. Installing bore seals into integral grooves requires installation tools. Designers must consider parameters such as groove dimensional accuracy, surface roughness, and extrusion gap. For details, refer to the product instructions, diagrams, and dimension tables. 2) Before installing the seal, ensure that there are no impurities or cracks in the seal groove. Apply operating oil to both the seal groove and the seal surface. Install the seals gradually in sequence. Avoid sharp edges during installation, align the seal properly, and avoid twisting or skewing. If it is a split groove, tighten the pressure cover last.

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