VAN BƯỚM - DK VALVE Concentric butterfly valve

Concentric butterfly valve

Concentric Geometry

Compact construction results in low weight, less space in installation
Central shaft position, 100% bi-directional bubble tight shut off makes installation acceptable at any direction
No cavities in the flow passage, easy to clean and disinfect for potable water system, etc.
Linear creates seal with mating flanges so no media is in contact with the valve body
Integral ISO 5211 top flange for easy fitting of actuators
Low operating torques results in easy operation and economical actuator sizing
One-piece resilient seat with integral O-ring seal eliminates the need for additional flange gasket
Extended neck design in consideration of construction method and operability

Standard Specifications

• 

  DESIGN

  ▪ ISO 5752 / BS 5155
  ▪ MSS SP 67 / API 609

  FACE-TO-FACE

  ▪ API 609 Cat. A
  ▪ Wafer and Lugged
  ▪ Double flange
  ▪ ISO 5752 Sr.13/20

  FLANGE STANDARD

  ▪ ASME B 16.5/16.47
  ▪ BS 4504 / EN 1092-1
  ▪ JIS B2220
  ▪ BS 10 Table D&E
  ▪ Others on request

• 

  PRESSURE RATING

  ▪ ANSI B 16.34 Class 150
  ▪ JIS 5K / 10K / 16K / 20K
  ▪ PN 6 / 10 / 16

  NOMINAL DIAMETER

  ▪ 1.5” to 160”
  ▪ DN 40 to 4000

  TESTING

  ▪ API 598
  ▪ MSS SP 67

Applicable Materials