API 682 Mechanical Seals


PS75 Mechanical Seals

Materials

  •  Seal rings: Blister resistant carbon
  •  Mating rings: Silicon carbide SSiC (Q1), RBSiC (Q2)
  •  Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
  •  Springs: Hastelloy® C-4 (M)* and C-276 (M5)
  •  Metal parts: CrNiMo steel 316 (G) or equivalent,
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PS9DS Mechanical Seals

Materials

  •  Seal rings: Blister resistant carbon, Silicon carbide SSiC (Q1), RBSiC (Q2)
  •  Mating rings: Silicon carbide SSiC (Q1), RBSiC (Q2)
  •  Secondary seals: FKM (V), FFKM (K), EPDM (E), NBR (P)
  •  Springs: Hastelloy® C-276 (M5)
  •  Metal parts: CrNiMo
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