vacuum on one side of
the diaphargm allows
the seats to move to
full open or full closed
upon failure of the
thermal system.
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Seat
Type :
Sliding Gate-ANSI Class
IV
Line
Sizes : 1/2"
through 3/4" (DN15
through DN20)
Body
Materials:
Ductile Iron, Bronze,
Carbon Steel, Stainless
Steel
End
Connections:
Threaded (FNPT,BSPP,BSPT)
or Flanged (ANSI, DIN)
Cv
(Kv): .0008
to 4.4 (,0007 to 3,8)
Trim
Materials :
Stainless Steel, Monel,
Hastelloy C, Alloy 20
Thermal
System: Seal-welded
actuator (SWA) with capilary
and bulb
Setpoints:
40ºF
to 325ºF (4,4º
C to 162,8º C)
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