As a professional manufacturing and exporting Center Line Butterfly Valve, Flanged Butterfly Valve and Check Valve in Tanggu District. It has passed Norway ISO9001 International Quality System Certification and European Union Pressure Equipment Directive 97/23/EC Certification. Under the order control of quality assurance system and modern enterprise management system, our company comes to superior levers of design & development, manufacture and test.
The specification of Flanged COncentric DIsc Butterfly Valve:
Nominal Diameter: DN 20-1400
Nominal Pressure: PN 1.0/1.6 MPa
Mediums: Water, Oil, Gas etc.
Temperature Range: -10----120
Standards of design and manufacture conform to GB/T12238-1989
Pressure test conform to GB/T13927-1992
Structure length meet to GB/T12221-1989
Side flange standard meet to GB/T17241.6-1998
As a professional manufacturing and exporting Center Line Butterfly Valve, Flanged Butterfly Valve and Check Valve in Tanggu District. It has passed Norway ISO9001 International Quality System Certification and European Union Pressure Equipment Directive 97/23/EC Certification. Under the order control of quality assurance system and modern enterprise management system, our company comes to superior levers of design & development, manufacture and test.
