Wafer Type Stainless Steel Butterfly Valve

Yuming Valve Group manufactures centerline soft seal wafer stainless steel butterfly valve, specially engineered for water treatment systems. The concentric centerline structure with EPDM resilient seat provides bubble-tight bi-directional sealing and low operating torque. Stainless steel valve body delivers outstanding anti-corrosion performance, ideal for slightly corrosive water media. Compact wafer style saves installation space, easy to install between pipe flanges. Widely applied in municipal water supply, sewage treatment, circulating water and water treatment projects. Available in PN10, PN16 pressure ratings and multiple sizes. We support OEM customization and can supply relevant certificates for global engineering projects.

Technical specifications:

1.Size Range: 2~48"(DN50~DN1200)

2.Pressure: PN10, PN16, Class150

3.Body Materials: SS304, SS316

4.Seat Materials: NBR, EPDM, VITON, PTFE

5.Disc Materials: CF8,CF8M

6.Stem Materials: SS304, SS316

7.End Connection: Wafer

8.Operate: Manual,  Pneumatic, Electric

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

Main performance parameters and main parts material:

SIZE	A	B	C	d0	PCD	N-Q	N1-M	ISO5211	∅K	∅E	N-∅d1	B1×B1	J	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
DN700	624	520	165	63.35	840	20-33	4-M27	F25	300	254	8-18	-	2-18	85
DN800	672	591	190	63.35	950	20-33	4-M30	F25	300	254	8-18	-	2-18	95
DN900	720	656	203	74.7	1050	24-33	4-M30	F25	300	254	8-18	-	2-20	118
DN1000	800	721	216	84.7	1160	24-36	4-M33	F25	300	254	8-18	-	2-22	118
DN1200	941	864	256	104.7	1380	28-39	4-M36	F30	350	298	8-22	-	2-28	154