German beham seals beham model beham price

beham seals can be divided into two main categories: static seals and dynamic seals. Static seals mainly include gasket seals, sealant seals, and direct contact seals. According to working pressure, static seals can be further divided into medium-to-low pressure static seals and high-pressure static seals. Medium-to-low pressure static seals commonly use gasket seals made of softer materials with wider widths, while high-pressure static seals use metal gaskets made of harder materials with very narrow contact widths. Dynamic seals can be divided into two basic types: rotary seals and reciprocating seals. Others are classified as contact seals and non-contact seals based on whether the seal contacts the components moving relative to it; based on the seal and contact position, they can be divided into circumferential seals and face seals, with face seals also known as mechanical seals. Centrifugal seals and spiral seals in dynamic sealing achieve sealing by imparting kinetic energy to the medium during machine operation, hence they are sometimes referred to as hydrodynamic seals.

beham 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 seal has been pre-tested; 4) Installation only requires tightening the seal cover bolts, ensuring easy assembly quality control; 5) Protects the sealing surface 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) Easy to remove the seal for cleaning and inspection without disassembling the pump equipment. The API682 standard recommends cartridge mechanical seals for all mechanical seals.

beham seal startup preparation

1) Conduct a comprehensive inspection of the mechanical seal, as well as the completeness of auxiliary devices and pipeline installations, to ensure they meet technical requirements. 2) Perform a static pressure test on the mechanical seal before startup to check for leaks. If there is significant leakage, identify the cause and eliminate it. If ineffective, disassemble, inspect, and reinstall. Generally, the static test pressure is 2~3 kg/cm². 3) Rotate the pump according to its direction to check for smooth and uniform movement. If rotation is difficult or stuck, check for incorrect assembly dimensions or unreasonable installation.

beham seal precautions

1) Before designing grooves, carefully read the product descriptions for each series to distinguish whether the product uses an integral groove or a split groove; during seal installation, avoid sharp edges, and use installation tools when inserting bore seals into integral grooves; designers must consider parameters such as groove dimensional accuracy, surface roughness, and extrusion gaps; refer to product instructions, diagrams, and dimension tables for details. 2) Before installing the seal, ensure there are no impurities or cracks in the seal groove; apply operating oil to both the seal groove and the seal surface; install the seal 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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