German POMMIER GROSS Aluminium seals POMMIER GROSS Aluminium models POMMIER GROSS Aluminium prices

POMMIER GROSS Aluminium seals can be divided into two main categories: static seals and dynamic seals. Static seals mainly include three types: 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. Depending on whether the seal contacts the components moving relative to it, they can be classified as contact seals and non-contact seals; depending on the seal and contact position, they can be classified as 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 power seals.

POMMIER GROSS Aluminium 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.

POMMIER GROSS Aluminium seal startup preparation

1) Comprehensive inspection of the mechanical seal, auxiliary devices, and pipeline installation to ensure completeness and compliance with technical requirements. 2) Perform a static pressure test before starting the mechanical seal to check for leaks. If there is significant leakage, identify the cause and eliminate it. If ineffective, dismantle, inspect, and reinstall. Generally, the static pressure 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 improper installation.

POMMIER GROSS Aluminium seal functions and applications

Engine: Crankshaft - front and rear crankshaft oil seals; Valve - valve oil seals (engine repair kit o rings) (distributor oil seal, water pump oil seal, balance shaft oil seal, oil pump oil seal...); Camshaft - camshaft oil seal; Transmission: Transmission - front and rear transmission oil seals; Shift lever oil seal (transmission repair kit o rings) (Transfer case - front and rear transfer case oil seals); Rear axle: Half-shaft - rear half-shaft oil seal; Differential - (front/rear) pinion oil seal; Rear wheel oil seal; Front wheel oil seal; Steering gear oil seal (steering gear repair kit o rings); Power steering booster oil seal (front half-shaft oil seal). Any part within a rotating housing containing liquid lubricating oil and connected to the exterior requires an oil seal. Some are made of rubber, some of metal, and most are steel-reinforced rubber, such as rear crankshaft oil seals, front and rear transmission oil seals, left and right half-shaft oil seals, front main reducer oil seals, and air compressor crankshaft oil seals.

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