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Butterfly valve series

Electric Triple Offset Flange Butterfly Valve

● Reliable Quality

● Reasonable Price

● Fast Delivery

Service Hotline: +86-21-33758111

Product Details

Technical Parameters

Product model: D343H/W/Y
Nominal diameter: DN50mm~DN2000mm
Pressure range: PN0.6MPa~6.4MPa
Operating temperature: -40°C~425°C
Applicable medium: heat transfer oil, steam, gas
License standard: JB/T8527
Flange standard: GB/T9113
Length standard: GB/T12221
Inspection standard: GB/T13927

Product Structure Features

The three-eccentric butterfly valve rotates the positive cone angle by one angle to the oblique cone angle, so that the eccentricity of the valve stem and the center of the valve body is reduced, and the opening torque is also reduced. Widely used in metallurgy, electric power, petrochemical, as well as water supply and drainage and municipal construction and other industrial pipelines, for the regulation of flow and load fluid.

Its main structural features are

1. The butterfly plate and the sealing surface open and close without friction, and are forced to seal;
2. Can be installed in any position;
3. Zero leakage structure design;
4. Metal and non-metal, metal and metal sealing methods can be selected;
5. There are one-way valves and two-way valves for customers to choose;
6. Dynamic load type packing can be selected;
7. Low leakage filler can be selected to meet the requirements of ISO 15848;
8. The valve stem can be extended;
9. Cryogenic valves or ultra-cryogenic valves can be designed according to customer requirements.

Main external connection dimensions

DN		L		H	D343H			D643H			0943H			PN1.6MPa			PN2.5MPa
mm	inch	short	long	H	H1	A1	B1	H2	A2	B2	H3	A3	B3	D	D1	Z－d	D	D1	Z－d
50	2	108	150	112	350	180	200	625	245	72	530	250	255	165	125	4-18	165	125	4-18
65	21/2	112	170	115	370	180	200	625	245	72	530	250	255	185	145	8-18	185	145	8-18
80	3	114	180	120	380	180	200	645	245	72	565	250	255	200	160	8-18	200	160	8-18
100	4	127	190	138	420	180	200	675	355	92	600	250	255	220	180	8-18	235	190	8-22
125	5	140	200	164	460	180	200	715	355	92	640	250	255	250	210	8-18	270	220	8-26
150	6	140	210	175	555	270	280	800	355	92	705	300	315	285	240	8-22	300	250	8-26
200	8	152	230	200	760	400	425	850	250	170	775	300	315	340	295	12-22	360	310	12-26
250	10	165	250	243	830	400	425	925	250	170	945	300	315	405	355	12-26	425	370	12-30
300	12	178	270	250	895	450	560	1035	450	220	1070	300	315	460	410	12-26	485	430	16-30
350	14	190	290	280	950	450	560	1070	450	220	1140	300	315	520	470	16-26	555	490	16-33
400	16	216	310	305	1190	535	580	1190	450	220	1210	300	315	580	525	16-30	620	550	16-36
450	18	222	330	350	1255	535	580	1250	650	280	1335	575	714	640	585	20-30	670	600	20-36
500	20	229	350	380	1305	535	580	1290	650	280	1415	575	714	715	650	20-33	730	660	20-36
600	24	267	390	445	1340	570	660	1455	850	380	1605	656	810	840	770	20-36	845	770	20-39
700	28	292	430	480	1520	750	550	1585	850	380	1844	656	810	910	840	24-36	960	875	24-42
800	32	318	470	530	1710	750	550	1700	1250	380	2040	656	810	1025	950	24-39	1085	990	24-48
900	36	330	510	580	1810	750	550	1865	1250	380	2255	785	863	1125	1050	28-39	1185	1090	28-48
1000	40	410	550	650	1960	900	750	2015	1250	380	2380	785	863	1255	1170	28-42	1320	1210	28-56
1200	48	470	630	760	2250	1000	925	2250	1250	380	2640	785	863	1485	1390	32-48	1530	1420	32-56
1400	56	530	710	850	2435	1000	925				2886			1685	1590	36-48	1755	1640	36-62
1600	64	600	790	1030	2780	1000	980				3156			1930	1820	40-56	1975	1860	40-62
1800	72	670	870	1230	3020	1100	980				3421			2130	2020	44-56	2195	2070	44-70

Butterfly valve series

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