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EBARA Submersible Pumps DVFU <br />Technical Information <br />Project: Model: ChkÊd: Date: <br />Mechanical Seal Sectional View <br />DOUBLE MECHANICAL SEALS with HARD seal face materials are provided on all EBARA „D Series‰ submersible pumps. <br />The double mechanical seal in oil chamber provides long life and friction-free sealing of the motor shaft. <br />Typical construction and materials are as follows: <br />•7<3($ <br />'9)8WR+3 <br />NO. <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />NO. FOR <br />1 SET <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />PART NAME <br />Packing <br />Floating Ring <br />Seal Ring <br />Spring <br />Seal Ring <br />Floating Ring <br />Packing <br />PART NAME <br />N.B.R. <br />Ceramic <br />Carbon Graphite <br />304 SS <br />Silicon Carbide <br />Silicon Carbide <br />N.B.R. <br />16