Equivalent to:
● John Crane S32D
Operating Limits:
● Temperature:-20℃ - +220℃
● Pressure：≤ 10bar
● Speed: ≤ 10m/s
● Shaft size: 25mm - 125mm
Materials:
● Seal Rings: Resin Carbon, Antimony Carbon, SIC, SSIC, Tungsten Carbide
● Elastomer: FKM, FFKM, EPDM, AFLAS, NBR
● Metal Part: SS304, SS316, Duplex, Hastelloy C, 904L
Assembly Dwg:
*Related Introduction*
The development history of silicon carbide
Silicon carbide is a kind of carbide accidentally discovered in the laboratory by American Acheson during the electrofusion diamond experiment in 1891. At that time, it was mistaken for a mixture of diamonds, so it was named emery. It was researched by Acheson in 1893. The industrial method of smelting silicon carbide, which is commonly referred to as the Acheson furnace, has been used until now. The resistance furnace with carbonaceous material as the furnace core is energized to heat the mixture of quartz SiO2 and carbon to produce silicon carbide.
Several events about silicon carbide:
In 1905, silicon carbide was first discovered in a meteorite.
In 1907, the first silicon carbide crystal light-emitting diode was born.
In 1955, a major breakthrough in theory and technology, LELY proposed the concept of growing high-quality carbonization, and since then used SiC as an important electronic material.
In 1958, the first World Silicon Carbide Conference was held in Boston for academic exchanges.
In 1978, silicon carbide was mainly researched by the former Soviet Union in the 1960s and 1970s. By 1978, the grain purification and growth method of "LELY improved technology" was adopted for the first time.
From 1987 to now, a silicon carbide production line was established based on the research results of CREE, and suppliers began to provide commercial silicon carbide bases.
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