Large Diameter Butterfly Valves
Big Size Double Flanged Rubber Lined Butterfly Valve
double flange type butterfly valve
butterfly valve double flange type(1)

Large Diameter Butterfly Valves

Type:large size butterfly valve
Temperature of Media: Normal Temperature
Port Size:3"-88"
Name: Double flange butterfly valve
End flange: EN1092 PN10 PN16
Working pressure: 1.0-1.6Mpa (10-25bar)
Medium: Water supply

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Product Introduction

Description：

Large diameter butterfly valves is a high-performance industrial valve designed to control and regulate the flow of various media in large-scale piping systems. It features a double flange design that ensures secure and reliable installation between flanges. The rubber lining inside the valve provides excellent sealing capabilities, minimizing leakage and enhancing its durability. This butterfly valve is suitable for applications in water treatment, chemical processing, and other industrial processes that demand efficient flow control. Its robust construction and versatile performance make it an ideal choice for handling substantial flow rates and withstanding demanding operating conditions.

Technical Data:

Valve parts	Material
Body	DI, WCB, CF8,CF8M
Disc	DI, WCB, CF8, CF8M, MONEL, 1.4469, 1.4425, 2507, 2205, AL-B C954
Shaft	SS416, SS420, SS431, SS410, 17-4PH, DUPLEX 2205
Seat	EPDM, NBR, VITON
Face to face	EN558-1 Series 13
End flange	EN1092 PN10/PN16, ANSI CL150
Pressure	PN10, PN16, 150LB
Size	DN50-DN2200

DN	A	B	b	f	D	K	d	F	N-d0	L	L1	D1	D2	Nxd1	a*	J	X	L2	φ2	Weight
50	83	120	19	3	165	125	99	13	4-19	108	111	65	50	4-7	45	13.8	3	32	12.6	7.6
65	93	130	19	3	185	145	118	13	4-19	112	115	65	50	4-7	45	13.8	3	32	12.6	9.7
80	100	145	19	3	200	160	132	13	8-19	114	117	65	50	4-7	45	13.8	3	32	12.6	10.6
100	114	155	19	3	220	180	156	13	8-19	127	130	90	70	4-10	45	17.77	5	32	15.77	13.8
125	125	170	19	3	250	210	184	13	8-19	140	143	90	70	4-10	45	20.92	5	32	18.92	18.2
150	143	190	19	3	285	240	211	13	8-23	140	143	90	70	4-10	45	20.92	5	32	18.92	21.7
200	170	205	20	3	340	295	266	13	12-23	152	155	125	102	4-12	45	24.10	5	45	22.1	31.8
250	198	235	22	3	405	355	319	13	12-28	165	168	125	102	4-12	45	31.45	8	45	28.45	44.7
300	223	280	24.5	4	460	410	370	20	12-28	178	182	125	102	4-12	45	34.60	8	45	31.6	59
350	270	310	26.5	4	520	470	429	20	16-28	190	194	150	125	4-14	45	36.15	10	45	33.15	86
400	300	340	28	4	580	525	480	20	16-31	216	221	175	140	4-18	45	40.95	10	51	37.95	119
450	340	375	30	4	640	585	530	20	20-31	222	227	175	140	4-18	45	45.86	12	51	42.86	165
500	355	430	31.5	4	715	650	582	22	20-34	229	234	210	165	4-22	45	49.22	14	57	45.72	185
600	410	500	36	5	840	770	682	22	20-37	267	272	300	254	8-18	22.5	57.98	15	70	53.98	263
700	478	560	39.5	5	910	840	794	30	24-37	292	299	300	254	8-18	22.5	71.35	18	66	63.36	361
800	529	620	43	5	1025	950	901	30	24-41	318	325	350	298	8-22	22.5	79	20	66	70	484
900	584	685	46.5	5	1125	1050	1001	34	28-41	330	337	350	298	8-22	22.5	90	22	118	80	598
1000	657	735	50	5	1255	1170	1112	34	28-44	410	417	350	298	8-22	22.5	100	25	142	90	824
1200	799	917	57	5	1485	1380	1328	34	32-50	470	478	415	356	8-33	22.5	117	28	150	105	1223
1400	919	1040	60	5	1685	1590	1530	40	36-50	530	538	415	356	8-33	22.5	134	32	200	120	2386
1500	965	1050	62.5	5	1820	1710	1630	40	36-57	570	580	415	356	8-32	22.5	156	36	200	140	3475
1600	1045	1150	65	5	1930	1820	1700	50	40-57	600	610	415	365	8-32	22.5	156	36	200	140	4055
1800	1280	1290	70	5	2130	2020	1914	55	44-57	670	682	475	406	8-40	22.5	178	40	280	160	5570
2000	1350	1323	75	5	2345	2230	2130	55	48-62	760	772	475	406	8-40	22.5	178	40	280	160	7240

FAQ

Q: Can the Butterfly Valve handle aggressive or corrosive media?

A:Yes, the rubber lining inside the valve provides excellent resistance to corrosion and can handle a wide range of aggressive media, making it suitable for various industrial applications.

Q: Is the valve suitable for both on/off and throttling applications?

A: Yes, the valve is designed to perform effectively in both on/off and throttling applications, providing precise flow control and reliable shut-off capabilities.

Q: Can the Double Flange Rubber Lined Butterfly Valve be automated?

A: Yes, the valve can be equipped with various automation options, such as electric actuators or pneumatic actuators, to enable remote control and integration into automated systems for enhanced operational efficiency.

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