AST 70 Specifications
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AST 70
SINGLE CARTRIDGE SEAL |
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MATERIALS OF CONSTRUCTION:
Metal Components: 316 SS standard. Alloy 20 and Hastelloy
C-276* available
Rotating Seal Face: P-658RC Carbon or
Silicon
Carbide
Stationary Seal Face: Silicon Carbide or Tungsten Carbide
Springs: Hastelloy C-276
Cabot Stellite Div. Reg.
TM
O-Rings: Fluoroelastomer
installed, EPDM
supplied as alternate.
Aflas or Kalrez O-rings also
available.
OPERATING LIMITS:
Pressure: 28 in (710 mm) Hg vacuum to 400 PSIG (28 bar) maximum,
depending on shaft size and speed.
Temperature: -20°F to 400°F (-30 C to 205°C) with Fluoroelastomer
O-rings; -65°F to 300°F (-55°C to 150°C) with EPDM
O-rings |
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