Centerline butterfly valve

Main features: Centerline butterfly valve is designed that its centerline of stem and disc are in same line and is perpendicular to body bore centerline. During closing process, disc sealing face contacts with body rubber seat to form a tight seal. Centerline butterfly valves are widely used in Petroleum, chemical, metallurgy, hydraulic power and other industries.


Design standard :API 609   AWWA C504

Product range :

1.Pressure range :CLASS    125~150Lb~300Lb

2. Nominal diameter :  NPS        2~40″

3.Body material:Carbon steel, Stainless steel, duplex stainless steel, Alloy steel, Nickel alloy

4. End connection : Flange,Wafer ,Lug

5.Mode of operation: Lever, Gear box, Electric, Pneumatic, hydraulic device, Pneumatic-hydraulic device;


Product features:

1.Compact design , less weight, easy for repair and installation;

2.Can be installed in any position;

3. Small operating torque;

4. Flow characteristic is almost in straight line, good regulating function;

5.No limitation on the flow direction;

6. Various sealing materials are available, such as NBR, EPDM, PTFE, etc;