ECON® Butterfly valve Type: 4621 Ductile cast iron/Aluminum bronze Squeeze handle Flange

Document	Document type
Product Certificate	Lloyd's RS (PDF)
Product Manual	Installation Operation Manual (PDF)
Product overview	Download

Maritime systems such as machinery rooms, ballast systems and outboard motor locks.
Especially suitable for sea water due to the aluminium bronze valve disc.
Suitable for vacuum applications and applications with high flow speeds.

DN	A	H	L	M	Weight	Kvs-value
[mm]	mm	mm	mm	mm	(kg)	m3/h
50	165	175	108	232	11	70
65	185	183	112	232	13	220
80	200	190	114	232	15	351
100	228	204	127	232	17	610
125	254	229	140	329	21	1078
150	285	249	140	329	26	1552
200	343	273	152	329	36	2759

Size	Lining	Press. rating	Temperature range	Max. oper. press.
DN50-DN600	NBR or EPDM	PN16	NBR -10°/+80°C, EPDM -10°/+120°C	16	[bar]
DN200-DN600	NBR or EPDM	PN10	NBR -10°/+80°C, EPDM -10°/+120°C	10	[bar]

Stock item

Valve design: Centric

Housing material: Ductile cast iron

Material quality: EN-JS1030

Nominal inner diameter

Connection: Flange

Pressure rating

Face to Face length (mm)

Operation: Squeeze handle

Material liner

Disk material: Aluminum bronze

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