A vacuum on one side of the diaphargm allows the seats to move to full open or full closed upon failure of the thermal system.

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)