Marine double eccentric flange butterfly valve GB / T3037

Purpose and characteristics

The marine double eccentric butterfly valve is suitable for water supply and drainage, gas pipelines such as ships, medicine, chemical industry, petroleum, electric power, textile, paper, etc. as the function of regulating flow and intercepting medium.

Its main features are:
novel design, reasonable, unique structure, light weight, easy operation, rapid opening and closing;
double eccentric butterfly valve can not only adjust and shut off the function, but also compensate for the thermal expansion and contraction caused by the temperature difference of the pipeline. It is convenient for installation, replacement and maintenance; the
sealing parts can be adjusted and replaced, and the sealing performance is reliable.

Use standard

Design standard: GB / T3037-1994
flange connection size: GB / T9113.1-2000; GB / T9113.2-2000; GB / T9115.1-2000; GB / T9115.2-2000
pressure test: GB / T 13927-1992; JB / T 9092-1999

The main technical parameters

Material of main parts

Marine double eccentric butterfly valve GB / T3037-1994 production standards: national standard GB / CB, Japanese standard JIS, American standard ANSI, German standard DIN, nominal pressure: 5K, 10K, 16K, PN, 6PN1, 0PN16, ANSI150, LB300LB, nominal Diameter DN50-DN1200, valve body material: ductile iron QT450, cast steel ZG230-450, stainless steel SUS, bronze BZ, valve plate: stainless steel SUS, bronze BZ, valve seat: nitrile rubber NBR, PTFE: PTFE, EPDM, fluorine rubber FKM.

Standard related downloads:

Marine double eccentric butterfly valve GB / T3037.rar           enter the download address list