Germany Sveflow AB seals, Sveflow AB models, Sveflow AB prices

Sveflow AB seals refer to devices that prevent fluid leakage by maintaining contact and relative sliding between at least one pair of end faces perpendicular to the rotation axis, 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. It mainly consists of the following four types of components. a. Primary sealing elements: rotating ring and stationary ring. b. Auxiliary sealing elements: O-rings. c. Clamping elements: springs, thrust rings. d. Drive elements: spring seats and keys or fixing screws.

Sveflow AB seal construction

The skeleton oil seal structure consists of three parts: the oil seal body, the reinforcing skeleton, and the self-tightening helical spring. The sealing body is divided into the bottom, waist, cutting edge, and sealing lip according to different parts. Typically, in the free state, the inner diameter of the skeleton oil seal is smaller than the shaft diameter, meaning it has a certain "interference fit." Therefore, after the oil seal is installed in the seal housing and on the shaft, the pressure from the oil seal cutting edge and the contraction force of the self-tightening helical spring generate a certain radial clamping force on the shaft. After a period of operation, this pressure will rapidly decrease or even disappear; thus, the spring can compensate for the oil seal's self-tightening force at any time.

Sveflow AB seal usage instructions

1) When the gearbox lubricating oil volume is ≤ 7 liters, the additive amount per liter of lubricating oil is 20‐30ml; 2) When 7‐15 liters, the additive amount is 15‐20ml per liter of lubricating oil; 3) When > 15 liters, the additive amount is 10ml per liter of lubricating oil; 4) Oil seals not in temporary use should be stored properly to prevent contamination with oil stains, dust, or exposure to sunlight. 5) When the shaft diameter wears into a "V" shaped groove, causing the contact pressure between the new oil seal lip and the shaft to drop and fail to seal the oil, the displacement method can be used for compensation.

Sveflow AB seal installation and shutdown

1) Before starting, keep the seal chamber filled with liquid. For media that solidify, use steam to heat the seal chamber to melt the medium. Manual turning must be performed before startup to prevent sudden startup from causing the soft ring to shatter. 2) For mechanical seals utilizing an external seal oil system, start the seal oil system first. Stop the seal oil system last after shutdown. 3) 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.

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