Centerline Flanged Butterfly Valve


Size: NPS 2”~48”/DN50~DN1400

Pressure: 150LB /PN1.0~1.6M/Pa

Material:  Water, oil, gas, and various corrosive media

Temperature: -10~150℃

Connection: Flange

Design: API 609, MSS SP-67

Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1

Pressure Test: API 598

Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16

Top Flange: ISO5211

Main Parts Material:

Part Body Disc Stem
Material Ductile Iron, Cast Iron + Rubber (NBR, EPDM)

Ductile Iron, Bronze,

Stainless Steel

Stainless steel

Features :

  1. Both sides of sealing performance are choiceness and the torque is small.
  2. Flow curve tending to straight line. Excellent regulated performance.
  3. Flange connection installed easily. Both vertical and horizontal installation are all right.
  4. Have multiplicity-sealing materials for user to choose.
  5. The valves can be used for pipe nozzle and have reliable performance.
  6.  Seat sealing and body are combined very well, with a long lifetime.