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Ductile iron doubled flange double eccentric resilient seat butterfly valve with manual gearbox operation PN10,PN16 DN400,16inch
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Flanged double eccentric(double offset)butterfly valve size DN400,16inch  

 

Standard:BS EN593

Face to face:EN558 table 2 basic series 13 and series 14,same ISO 5752 Series 13 and Series 14

Flange drilling:BS EN1092-2 PN10,PN16

Operation:Gearbox and handwheel or gearbox with ISO top flange ready for actuator

Working temperature:0-80℃

Working pressure:PN10,PN16

Application:water 

Hydraulic test according to BS EN1074-1 and 2/BS EN12266

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​Body:ductile iron GGG50

Disc:ductile iron GGG50

Shaft:2Cr13

Body seat:Ductile iron(GGG50) or Overlay welding SS304 or SS316

Disc retaining ring:Ductile iron(GGG50) or Overlay welding SS304 or SS316

Disc fasten bolts:SS304

Seat:EPDM

Coating:Blue fused bond epoxy powder,250micron thickness

Flanged double eccentric butterfly valve DN400,16inch drawing and dimensions

DN400 flanged eccentric butterfly valve.jpg

Ductile iron double flanged double eccentric butterfly valve,also known as double offset butterfly valve,DN400,16inch,working pressure PN10,PN16,face to face length according to BS EN558 table 2 basic series 13 and series 14.

This double eccentric butterfly valve with manual gearbox and handwheel,we can make an ISO top flange ready for actuator.

 

And this flanged double eccentric butterfly valve is resilient seat,the seat is EPDM ring,this sea ring is placed on the disc and fastened tightly by disc retaining ring,disc retaining ring material can be ductile iron GGG50 or stainless steel 304 or stainless 316.

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The EPDM seat can be replaced if it is broken.

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Double flanged double eccentric butterfly valve body seat is ductile iron material or overlay welding SS304,SS316.

For coating,for size from DN100 to DN2200,it is fused bond epoxy powder,thickness is 250micron thickness.

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Our factory is a professional manufacturer of ductile iron flanged double eccentric butterfly valve,flanged double offset butterfly valve in China,we can manufacture and supply ductile iron flanged double eccentric resilient seat butterfly valve,sizes from DN100 to DN2200 and working pressure and flange drilling PN10 and PN16.and face to face BS EN558 table 2 basic series 13 and basic series 14,short body and long body flanged double eccentric butterfly valve. 

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