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60series :http://gemg.en.alibaba.com/product/1978025614-220715405/API682_Dul_Tandem_Cartridge_machine_seal.html
follow API682 Standard, and widely used in chemical , refining.
material:
seal face:carbon,sic,TC;
secondary seal:NBR,Viton,EPDM,Kalrez;
metal parts:304,316,Hast.C,dual-phase steel,Ti.
Type 60B/60B(F)S
Dul, tandem cartridge seal,several points for flushing,with pumping spiral ,anti-negative pressure design.
operating limits:
temperature:-50~204?
speed:23m/s
pressure:32 bar
standard size:20~110mm
