German asak armaturen seals, asak armaturen models, asak armaturen prices

asak armaturen seals refer to devices that prevent fluid leakage, formed by at least one pair of end faces perpendicular to the rotation axis maintaining contact and sliding 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. When the auxiliary seal of the compensation ring is a metal bellows, it is called a bellows mechanical seal. There are mainly the following four types of components. a. Main sealing elements: rotating ring and stationary ring. b. Auxiliary sealing elements: O-rings. c. Clamping elements: springs, thrust rings. d. Drive elements: spring seat and keys or fixing screws.

asak armaturen seal features

1) No need to measure the seal working length during installation; 2) The shaft can be adjusted at any time; 3) No leakage occurs at startup because the seals have been pre-tested; 4) During installation, only the tightening bolts of the seal cover need to be fitted, making it easy to ensure assembly quality; 5) Protects the sealing faces from contamination by debris or damage due to operational errors before installation or startup; 6) Can be readjusted after thermal expansion of the machinery; 7) Self-centering through fit; 8) Seals can be easily removed for cleaning and inspection without disassembling the pump equipment. API682 standard recommends cartridge mechanical seals for all mechanical seals.

asak armaturen seal startup preparation

1) Conduct a comprehensive inspection of the mechanical seal, as well as the auxiliary devices and piping, to ensure they are complete and comply with technical requirements. 2) Perform 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 is ineffective, disassemble, inspect, and reinstall the seal. The static pressure test pressure is generally 2~3 kg/cm². 3) Rotate the pump manually in the direction of rotation to check if it moves lightly and smoothly. If rotation is difficult or stuck, check whether the assembly dimensions are incorrect and whether the installation is reasonable.

asak armaturen seal installation precautions

1) Pay close attention during installation to avoid installation deviations. Tighten the gland after aligning the coupling. Bolts should be tightened evenly to prevent tilting of the gland face. Check all points with a feeler gauge; the error must not exceed 0.05 mm. Check the fit clearance (i.e., concentricity) between the gland and the outer diameter of the shaft or shaft sleeve. It must be uniform around the circumference. Check all points with a feeler gauge; the allowable error must not exceed 0.01 mm. 2) Spring compression must be performed according to regulations. Excessive or insufficient compression is not allowed. The required error is 2.00 mm. Excessive compression increases face specific pressure, accelerating face wear. Insufficient compression results in inadequate specific pressure, failing to achieve sealing. 3) After installing the rotating ring, it should automatically spring back when pressed against the spring. 4) Installation position requirements: To ensure stable operation, long service life, and low leakage performance of the mechanical seal, correct installation on the machine is crucial. Before installing the mechanical seal on the machine, carefully compare it with the general assembly drawing to confirm that all parts are ready. Pay attention to any abnormalities such as scratches or defects on the sealing faces of the friction pair and O-rings. Also check for scratches on the surfaces of the shaft or shaft sleeve, flanges, and other components in contact with packing and O-rings (O rings). If any abnormalities are found, replace or repair before use. During actual installation, do not bring more parts than needed to the site. If parts remain after installation, it indicates missing installations; if parts are insufficient, it means unnecessary parts were assembled, serving as a self-check during installation.

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