EN558-1 Double Flanged Butterfly Valve Product Information

EN558-1 double flanged butterfly valve is one type of double eccentric butterfly valve long pattern. EN558-1:1996 table 4 flanged eccentric butterfly valve is one type of high performance butterfly valve, which is with eccentric action reduces torque and seat contact during operation, extending valve service life. Its seat can be repaired on site, no needing dis-assembly. The double flanged eccentric butterfly valve is suitable for 90° on-off operation and regulation service. The double eccentric butterfly valve long time face to face is according to EN558-1 series 14. Flowspec Luokai can manufacture the EN558-1 double flanged butterfly valve according to the standard of EN593-2004 with sizes of 4”~160” (DN100~4000mm). 
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