Concentric Flanged Butterfly Valve

Quick Detail
Design standard: API 609.
Body material: GGG40.
Nominal diameter: DN300
Pressure: CL150 (PN20)
End connection: RF. Raised Face
Face to face: ISO5752, EN558 Series 13
short Body type
Top flange ISO5211.
Bi-direction Seal
Vulcanized Rubber Seat
Mode of operation: Gearbox.
Test and inspection: API 598. EN1226

Available Body Material: Ductile Iron , Carbon steel, Stainless steel, Alloy steel.
Optional Seat: EPDM, NBR, PTFE, Teflon. Neoprene
Optional End connection: Wafer, Lug, Flanged.
Optional Body Design: Eccentric or Concentric centerline
Face to face: EN558 Series 13/14, long type or short type
Normal diameter: 4″~96″ (DN100~DN2400).
Pressure range: 150lbs (PN10~PN25).
Available Operation: Gearbox, Electric, pneumatic actuator
Working temperature: -46℃~+200℃.

1. The flanged butterfly valve requires only a few parts due to its small size and light weight.
2. The operation is simple, only need to rotate 90 ° to close
3. It is with good fluid control characteristics, the pressure generated by the pipeline can be reduced after pass the valve
4. Sealed in both directions
5. Easy to repair and care, and can be installed at will
6. The driving method can be selected from manual, electric and pneumatic
7. The outer circle of the butterfly plate adopts spherical shape, which greatly improves the sealing performance and prolongs the service life of the valve

widely used in gas, oil, water, chemical engineering and other related industries, also in cooling water systems of thermal power stations