German as ka seals, as ka models, as ka prices

as ka seals utilize the "container" concept from transportation to create cartridge seals. The rotating and stationary parts of this seal are pre-assembled into a single unit before installation. After passing inspection and pressure testing, the unit is mounted on the shaft within the seal chamber, fixed to the shaft with set screws, the gland bolts are tightened, and the cartridge positioning tabs are removed. The mechanical seal then operates with parallel faces and is ready for service. This approach not only simplifies assembly but also ensures assembly quality. Welded metal bellows mechanical seals are all designed as cartridge seals, offering the aforementioned advantages. Cartridge seals are also a type of cartridge mechanical seal. In this design, the stationary ring, rotating ring, sleeve, gland, and auxiliary seals are all assembled together on a single sleeve before installation, facilitating inspection of assembly quality. Once inspection is passed, simply tighten the seal cover and secure the screws. This pre-assembled, inspected, and tested seal component makes it easy to ensure installation and assembly quality.

as ka 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) During installation, only the seal cover bolts need to be tightened, 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. The API682 standard recommends the use of cartridge mechanical seals for all mechanical seals.

as ka seal startup preparation

1) Conduct a comprehensive inspection of the mechanical seal, as well as the completeness and technical compliance of auxiliary devices and piping installations. 2) Perform a static pressure test on the mechanical seal before startup to check for leakage. If significant leakage is observed, identify and eliminate the cause. If the issue persists, disassemble, inspect, and reinstall. The typical static test pressure is 2~3 kg/cm². 3) Rotate the pump according to its direction of rotation to check for smooth and uniform movement. If rotation is difficult or stuck, check for incorrect assembly dimensions or improper installation.

as ka seal installation technical requirements

Mechanical seals are high-precision mechanical components, and correct installation and operation significantly impact their service life. We generally follow the standards specified by the Ministry of Petrochemical Industry. The technical requirements for the pump and the mating parts of the mechanical seal are as follows: 1) Shaft runout: maximum not greater than 0.05 mm; 2) Rotor wobble: near the sleeve at the dynamic ring seal area, not greater than 0.06 mm; 3) Axial shaft movement must not exceed ±0.5 mm; if a sleeve is present, it must not be loose; 4) Coupling alignment error: for gear couplings, not greater than 0.08–0.10 mm (P2008C); for elastic couplings, not greater than 0.05–0.06 mm; (common practice: face runout<0.05, radial runout<0.10) 5) The concentricity tolerance of the gland (stationary ring seat) and the seal mating spigot relative to the shaft centerline is 0.05 mm, and the perpendicularity tolerance of the surface contacting the gasket relative to the centerline is 0.03–0.05 mm. If these requirements are not met, the seal chamber must be machined; 6) The ends of the sleeve where the dynamic ring seal is installed, and the ends of the gland (or housing) where the stationary ring seal is installed, should be chamfered and smoothed. 7) Exercise care when installing or removing mechanical seals; strictly prohibit the use of hammers and flat chisels to avoid damaging seal components. If scale prevents removal, clean thoroughly before disassembly. 8) If mechanical seals are used on both ends of the pump, coordinate during assembly and disassembly to avoid neglecting one side while attending to the other. 9) For mechanical seals that have been in operation, if gland loosening causes seal movement, the stationary and rotating ring components must be replaced and should not be merely retightened for continued use. Because loosening alters the original operating trajectory of the friction pairs, the sealing integrity of the contact surfaces is easily compromised.

Weidou Intelligent Technology specializes in selling German as ka seals, as ka O-rings, as ka sealing strips, as ka pipe seals, as ka cable seals, as ka rubber seals, as ka mechanical seals, as ka gaskets, as ka oil seals, as ka shaft seals, as ka metal seals, as ka high-pressure seals, as ka spiral seals, as ka centrifugal seals, as ka sealing rings, as ka original German imports. Welcome inquiries and orders from customers.