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  Features Dimensions Specifications

AST 80
DUAL CARTRIDGE SEAL

 

MATERIALS OF CONSTRUCTION:

Metal Components:   316 SS standard.  Alloy 20 and Hastelloy C-276* available
Rotating Seal Face (Inboard):  P-658RC Carbon or Silicon Carbide
Rotating Seal Face (Outboard):  P-658RC Carbon
Stationary Seal Faces:  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:  -20F to 400F (-30 C to 205C) with Fluoroelastomer O-rings; -65F to 300F (-55C to 150C) with EPDM O-rings

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