AST 50
SINGLE OUTSIDE SEAL

MATERIALS OF CONSTRUCTION:

Metal Components: 316 SS standard. Hastelloy C-276* available
Rotating Seal Face: P-658RC Carbon or Silicon Carbide
Stationary Seal Face: Silicon Carbide or Alumina Ceramic
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 150 PSIG (11 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