handle wafer Ductile Iron butterfly valve

Yuming Valve Group manufactures ductile iron centerline soft seal butterfly valves specially designed for water treatment systems. Adopting concentric centerline structure with EPDM soft seat, this butterfly valve realizes bubble-tight bidirectional shut-off, low operating torque and low pressure loss. Ductile iron body offers high strength and anti-corrosion epoxy coating for long service life. Suitable for municipal water supply, sewage treatment, water circulation and other water pipeline systems. Available in PN10 / PN16 pressure rating, multiple sizes. We support customization and provide relevant certifications for global projects.

Product Description
Size Range: 2"~24"(DN50~DN600)

Pressure: PN10, PN16, Class150

Body Materials: Cast Iron, Ductile Iron

Seat Materials: NBR, EPDM,  PTFE

Disc Materials: Ductile Iron, WCB, CF8,CF8M

Stem Materials: SS304, SS316

End Connection: Wafer

Operate: Manual, Worm gear, Pneumatic, Electric-Motorized

Disc type: With-pin, One stem no-pin, Double stem no-pin

SIZE	A	B	C	d0	PCD	N-Q	ISO5211	∅K	∅E	N-∅d1	B1×B1	L
DN40	120	57	33	12.6	110	4-19	F05	65	50	4-7	9×9	26
DN50	140	65	43	12.6	125	4-19	F05	65	50	4-7	9×9	26
DN65	150	75	46	12.6	145	4-19	F05	65	50	4-7	9×9	30
DN80	158	93	46	12.6	160	8-19	F05	65	50	4-7	9×9	30
DN100	176	109	52	15.77	180	8-19	F05	90	70	4-10	11×11	30
DN125	190	125	56	18.92	210	8-19	F07	90	70	4-10	14×14	30
DN150	211	140	56	18.92	240	8-22	F07	90	70	4-10	14×14	40
DN200	235	170	60	22.1	295	8-22	F07	125	102	4-12	17×17	40
DN250	265	205	68	28.45	350	12-22	F10	125	102	4-12	22×22	40
DN300	305	238	78	31.6	400	12-22	F10	125	102	4-12	22×22	40
DN350	368	267	78	31.6	460	16-22	F10	125	102	4-12	22×22	40
DN400	400	309	102	33.15	515	16-26	F14	175	140	4-18	27×27	50
DN450	422	328	114	37.95	565	20-26	F14	175	140	4-18	27×27	70
DN500	480	361	127	41.12	620	20-26	F14	175	165	4-18	36×36	80
DN600	562	459	154	50.62	725	20-30	F16	210	254	4-23	36×36	80