German Gemue seals Gemue models Gemue prices

Gemue seals are devices that prevent fluid leakage, consisting of at least one pair of end faces perpendicular to the axis of rotation. These faces remain in contact and slide relative to each other under the action of fluid pressure and the elastic force (or magnetic force) of the compensation mechanism, in conjunction with auxiliary seals. Mechanical seals where the elastic loading mechanism and auxiliary seal are metal bellows are referred to as metal bellows seals. In light-duty seals, rubber bellows are also used as auxiliary seals; since the elastic force of rubber bellows is limited, springs are generally required to supplement the loading force. Mechanical seals are commonly abbreviated as "mech seals".

Gemue seal advantages

1) Oil seals have a simple structure and are easy to manufacture. Simple oil seals can be molded in a single 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, insertion, 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 per seal. 3) Oil seals require 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 long service life. They have a certain degree of adaptability to machine vibration and spindle eccentricity. 5) Oil seals are easy to disassemble and convenient to inspect. 6) Oil seals are inexpensive.

Gemue seal precautions

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

Gemue seal precautions

1) Shaft speed: Due to design and structural reasons, high-speed shafts should use high-speed oil seals, and low-speed shafts should use low-speed oil seals. Low-speed oil seals must not be used on high-speed shafts, and vice versa. 2) Ambient temperature: In cases of higher operating temperatures, select polyacrylate or silicone, fluorine, or fluoro-silicone rubber. Measures should be taken to lower the oil temperature in the tank. In cases of lower operating temperatures, select cold-resistant rubber. (3) Pressure: General oil seals have poor pressure resistance; excessive pressure will cause deformation. Under conditions of excessive pressure, use pressure-resistant support rings or reinforced pressure-resistant oil seals. 4) Installation eccentricity: Excessive eccentricity between the oil seal and the shaft will degrade sealing performance, which is particularly severe at high shaft speeds. If eccentricity is excessive, oil seals with a "W" shaped cross-section can be used. 5) Shaft surface finish directly affects the service life of the oil seal; higher shaft surface finish results in longer oil seal service life. 6) Ensure there is a certain amount of lubricating oil at the lip of the oil seal. 7) Pay special attention to preventing dust from entering the oil seal.

Weidou Intelligent Technology specializes in selling German Gemue seals, Gemue O-rings, Gemue sealing strips, Gemue pipe seals, Gemue cable seals, Gemue rubber seals, Gemue mechanical seals, Gemue gaskets, Gemue oil seals, Gemue shaft seals, Gemue metal seals, Gemue high-pressure seals, Gemue spiral seals, Gemue centrifugal seals, Gemue sealing rings, Gemue original German imports. Customers are welcome to inquire and order.