Description
Technical Specifications
SPECS Bellows Control Valve can prevent external leakage caused by packing loss, it is safer to be used in high-risk media.
Applicable Standards
Design & Manufacture Standard: IEC 60534-2006
Face to Face: ISA-75.03-1992
End Connection: ASME B16.5, EN1092-1, GOST33259, ASME B16.25
Test Standard: IEC60534-4
Products Range
Size: 1/2"~12"
Pressure Rating: ASME CLASS 150~600
Material: Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel
End: Flanged (RF, RTJ), Butt Weld, Socket Weld.
Temperature Range: -196℃~550℃
Seat Leakage: ANSI Ⅳ(0.01%) or Ⅵ(bubble-tight)
Bonnet Type: Bellows
Design Features
1.Bellow seal element. The key part of bellow sealed Globe Valves is metal bellow. It is the connection between cover and stem with automatic roll welding. The metal bellow can keep the stem part no leakage.
Benefits
1.Double seal design(bellows+packing). Bellow and packing can protect against leakage and provide a excellent seal.
GA Of Bellow Control Valve
Single Seated Type
GA Of Bellow Control Valve
Cage Guided Type
