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Do not ignore the three precautions for the selection of o-rings: Delong Industrial
Although O-rings are small, they are widely used in ships, automobiles, and aerospace equipment, as small as ordinary faucets, gas valves, refrigerators, disinfection cabinets, washing machines, etc. Improper selection may inevitably cause unnecessary losses. So what are the key considerations in our selection?
The first choice is the material of the O-ring, because the material is different and the performance is different.
The common materials for O-rings are: NBR nitrile rubber, NR natural rubber, CR neoprene, EPDM ethylene propylene rubber, HNBR hydrogenated nitrile rubber, SILICO ME silicone, FKM/VITON fluorine rubber, FLS silicone fluorine rubber , PU polyurethane, SBR styrene butadiene rubber, Buna rubber, acrylic rubber ACM, PTFE polytetrafluoroethylene and so on.
Then there is the size selection of the O-ring, because the size is incorrect and it cannot be used
The size of the O-ring is generally called the outer diameter, inner diameter, and wire diameter to express. We need to mark the dimensions of the inner diameter and the wire diameter on the design drawings, and the outer diameter is equal to the inner diameter + 2 * wire diameter. Or only mark the dimensions of the outer diameter and the wire diameter.
Finally, the specification tolerance of the O-ring. Because tolerance determines the effect
The specification tolerances of O-rings mainly include inner diameter tolerance and wire diameter tolerance. The tolerance of O-ring specifications mainly depends on the size of the size. The larger the size, the larger the tolerance.
Shenzhen Delong Xingye Company develops/produces type 0 seals, fluorine rubber 0-rings, silicone 0-rings, etc., with complete models, specifications and sizes, and low prices. It meets national production standards, supports customized processing, free samples, and direct sales at factory prices.
Company Address:
103, 1st floor, building 7, Ailian Industrial Zone, Wulian Xieping, Longcheng street, Longgang District, Shenzhen
Contact Information:
0755-28962355 / fengbo@delongsz.cn
Link: Shenzhen Delong Xingye seal ring manufacturer - high temperature seal ring - O-ring - Delong Xingye rubber seal ring
