SDt343X-6C-DN50,SDt343X-6C-DN400,SDt343X-6P-DN1000,SDt343X-10C-DN800,SDd343H-6P-DN250,电动法兰式伸缩蝶阀

用途及特点
蜗轮法兰式伸缩蝶阀适用于温度≤80℃，公称压力≤1.6MPa的食品、医药、化工、石油、电力、轻纺、造纸等给排水、气体管道上作调节流量和截流介质的作用，具有补偿管道热胀冷缩的功能。其主要特点为：
设计新颖，合理，结构独特，重量轻，操作方便，启闭迅速；
伸缩蝶阀除了能作调节和截流作用，补偿管道温差所产生的热胀冷缩功能外，还能为安装更换、维修提供方便；
密封部位可调节更换，密封性能可靠等特点。
采用标准
设计标准：GB/T12238-1989
法兰连接尺寸：GB/T9113.1-2000; GB/T9113.2-2000; GB/T9115.1-2000; GB/T9115.2-2000
压力试验：GB/T 13927-1992; JB/T 9092-1999
 

主要技术参数

公称通径	DN	50～2000
公称压力	PN	0.6	1.0	1.6
试验压力	强度实验	0.9	1.5	2.4
	密封实验	0.66	1.1	1.76
	气密封实验	0.6	0.6	0.6
使用温度	≤80℃
适应介质	空气、水、蒸汽、煤气、油品等
驱动形式	手动、蜗杆蜗轮传动、气传动、电传动

主要零件的材质

零件名称	材料
阀体	铸铁、铸钢、不锈钢铬、钼钢、合金钢
蝶板	铸钢、合金钢、不锈钢、铬钼钢
密封圈	橡胶、聚四氟、聚内脂、不锈钢
阀杆	2Cr13、不锈钢、铬钼钢
伸缩管	铸铁、铸钢、不锈钢、铬钼钢
填料	柔性石墨

SDt/d343(H.F.X)-(6、10、16)系列连接尺寸

公称通径		外形尺寸（参考值）					法兰尺寸和螺栓尺寸（标准值）
		H	H1	设计最大长度L	设计最小长度L	设计藏毒L	A	B	0.6MPa				1.0MPa				1.6MPa
毫米	英寸								D	D1	D2	n-d	D	D1	D2	n-d	D	D1	D2	n-d
50	2	80	309	164	138	151	180	200	140	110	88	4-14	165	125	99	4-18	165	125	99	4-18
65	21/2	95	337	190	154	172	180	200	160	130	108	4-14	185	145	118	4-18	185	145	118	4-18
80	3	98	347	195	163	177	180	200	190	150	124	4-18	200	160	132	8-18	200	160	132	8-18
100	4	114	373	227	184	206	180	200	210	170	144	4-18	220	180	156	8-18	220	180	156	8-18
125	5	128	405	254	195	215	180	200	240	200	176	8-18	250	210	184	8-18	250	210	184	8-18
150	6	139	440	240	201	225	270	280	265	225	199	8-18	285	240	211	8-22	285	240	211	8-22
200	8	174	612	265	215	245	400	425	320	280	254	8-18	340	295	266	8-22	340	294	266	12-22
250	10	215	693	295	235	265	400	425	375	335	309	12-18	395	350	319	12-22	405	355	319	12-26
300	12	245	747	308	254	282	450	560	440	395	363	12-22	445	400	370	12-22	460	410	370	12-26
350	14	270	802	325	271	300	450	560	490	445	413	12-22	505	460	429	16-22	520	470	429	16-26
400	16	305	991	345	283	314	535	580	540	495	463	16-22	565	515	480	16-26	580	525	480	16-30
450	18	325	1037	370	314	340	535	580	595	550	518	16-22	615	565	530	20-26	640	585	548	20-30
500	20	360	1127	377	316	346	535	580	645	600	568	20-22	670	620	582	20-26	715	650	609	20-33
600	24	445	1377	446	388	417	570	660	755	705	667	20-26	780	725	682	20-30	840	770	720	20-36
700	28	505	1496	445	395	425	750	660	860	810	772	24-26	895	840	794	24-30	910	840	794	24-36
800	32	560	1584	479	425	455	750	550	975	920	878	24-30	1015	950	901	24-33	1025	950	901	24-39
900	36	630	1676	515	455	485	750	550	1075	1020	978	24-30	1115	1050	1001	28-33	1125	1050	1001	28-39
1000	40	680	1760	525	465	495	900	750	1175	1120	1078	28-30	1230	1160	1112	28-36	1255	1170	1112	28-42
1200	48	795	2018	574	512	542	1000	925	1405	1340	1295	32-33	1455	1380	1328	32-39	1485	1390	1328	32-48
1400	56	900	2363	599	547	572	1000	925	1630	1560	1510	36-36	1675	1530	1530	36-42	1685	1590	1530	36-48
1600	64	1100	2723	640	589	615	1000	925	1830	1760	1710	40-36	1915	1820	1750	40-48	1930	1820	1750	40-56
1800	72	1124	2844	725	670	695	1100	980	2045	1970	1718	44-39	2115	2020	1950	44-48	2130	2020	1950	44-56
2000	80	1292	3127	764	680	722	1100	980	2265	2180	2125	48-42	2325	2230	2150	48-48	2345	2230	2150	48-62

SDt343H-6C-DN50,SDt343H-6C-DN65,SDt343H-6C-DN80,SDt343H-6C-DN100,SDt343H-6C-DN125,
SDt343H-6C-DN150,SDt343H-6C-DN200,SDt343H-6C-DN250,SDt343H-6C-DN300,SDt343H-6C-DN350,
SDt343H-6C-DN400,SDt343H-6C-DN450,SDt343H-6C-DN500,SDt343H-6C-DN600,SDt343H-6C-DN700,
SDt343H-6C-DN800,SDt343H-6C-DN900,SDt343H-6C-DN1000,SDt343H-6C-DN1200,SDt343H-6C-DN1400,
SDt343H-6C-DN1600,SDt343H-6C-DN1800,SDt343H-6C-DN2000,
SDt343H-6P-DN50,SDt343H-6P-DN65,SDt343H-6P-DN80,SDt343H-6P-DN100,SDt343H-6P-DN125,
SDt343H-6P-DN150,SDt343H-6P-DN200,SDt343H-6P-DN250,SDt343H-6P-DN300,SDt343H-6P-DN350,
SDt343H-6P-DN400,SDt343H-6P-DN450,SDt343H-6P-DN500,SDt343H-6P-DN600,SDt343H-6P-DN700,
SDt343H-6P-DN800,SDt343H-6P-DN900,SDt343H-6P-DN1000,SDt343H-6P-DN1200,SDt343H-6P-DN1400,
SDt343H-6P-DN1600,SDt343H-6P-DN1800,SDt343H-6P-DN2000,
SDt343H-10C-DN50,SDt343H-10C-DN65,SDt343H-10C-DN80,SDt343H-10C-DN100,SDt343H-10C-DN125,
SDt343H-10C-DN150,SDt343H-10C-DN200,SDt343H-10C-DN250,SDt343H-10C-DN300,SDt343H-10C-DN350,
SDt343H-10C-DN400,SDt343H-10C-DN450,SDt343H-10C-DN500,SDt343H-10C-DN600,SDt343H-10C-DN700,
SDt343H-10C-DN800,SDt343H-10C-DN900,SDt343H-10C-DN1000,SDt343H-10C-DN1200,SDt343H-10C-DN1400,
SDt343H-10C-DN1600,SDt343H-10C-DN1800,SDt343H-10C-DN2000,
SDt343H-10P-DN50,SDt343H-10P-DN65,SDt343H-10P-DN80,SDt343H-10P-DN100,SDt343H-10P-DN125,
SDt343H-10P-DN150,SDt343H-10P-DN200,SDt343H-10P-DN250,SDt343H-10P-DN300,SDt343H-10P-DN350,
SDt343H-10P-DN400,SDt343H-10P-DN450,SDt343H-10P-DN500,SDt343H-10P-DN600,SDt343H-10P-DN700,
SDt343H-10P-DN800,SDt343H-10P-DN900,SDt343H-10P-DN1000,SDt343H-10P-DN1200,SDt343H-10P-DN1400,
SDt343H-10P-DN1600,SDt343H-10P-DN1800,SDt343H-10P-DN2000,
SDt343H-16C-DN50,SDt343H-16C-DN65,SDt343H-16C-DN80,SDt343H-16C-DN100,SDt343H-16C-DN125,
SDt343H-16C-DN150,SDt343H-16C-DN200,SDt343H-16C-DN250,SDt343H-16C-DN300,SDt343H-16C-DN350,
SDt343H-16C-DN400,SDt343H-16C-DN450,SDt343H-16C-DN500,SDt343H-16C-DN600,SDt343H-16C-DN700,
SDt343H-16C-DN800,SDt343H-16C-DN900,SDt343H-16C-DN1000,SDt343H-16C-DN1200,SDt343H-16C-DN1400,
SDt343H-16C-DN1600,SDt343H-16C-DN1800,SDt343H-16C-DN2000,
SDt343H-16P-DN50,SDt343H-16P-DN65,SDt343H-16P-DN80,SDt343H-16P-DN100,SDt343H-16P-DN125,
SDt343H-16P-DN150,SDt343H-16P-DN200,SDt343H-16P-DN250,SDt343H-16P-DN300,SDt343H-16P-DN350,
SDt343H-16P-DN400,SDt343H-16P-DN450,SDt343H-16P-DN500,SDt343H-16P-DN600,SDt343H-16P-DN700,
SDt343H-16P-DN800,SDt343H-16P-DN900,SDt343H-16P-DN1000,SDt343H-16P-DN1200,SDt343H-16P-DN1400,
SDt343H-16P-DN1600,SDt343H-16P-DN1800,SDt343H-16P-DN2000,
SDt343F-6C-DN50,SDt343F-6C-DN65,SDt343F-6C-DN80,SDt343F-6C-DN100,SDt343F-6C-DN125,
SDt343F-6C-DN150,SDt343F-6C-DN200,SDt343F-6C-DN250,SDt343F-6C-DN300,SDt343F-6C-DN350,
SDt343F-6C-DN400,SDt343F-6C-DN450,SDt343F-6C-DN500,SDt343F-6C-DN600,SDt343F-6C-DN700,
SDt343F-6C-DN800,SDt343F-6C-DN900,SDt343F-6C-DN1000,SDt343F-6C-DN1200,SDt343F-6C-DN1400,
SDt343F-6C-DN1600,SDt343F-6C-DN1800,SDt343F-6C-DN2000,
SDt343F-6P-DN50,SDt343F-6P-DN65,SDt343F-6P-DN80,SDt343F-6P-DN100,SDt343F-6P-DN125,
SDt343F-6P-DN150,SDt343F-6P-DN200,SDt343F-6P-DN250,SDt343F-6P-DN300,SDt343F-6P-DN350,
SDt343F-6P-DN400,SDt343F-6P-DN450,SDt343F-6P-DN500,SDt343F-6P-DN600,SDt343F-6P-DN700,
SDt343F-6P-DN800,SDt343F-6P-DN900,SDt343F-6P-DN1000,SDt343F-6P-DN1200,SDt343F-6P-DN1400,
SDt343F-6P-DN1600,SDt343F-6P-DN1800,SDt343F-6P-DN2000,
SDt343F-10C-DN50,SDt343F-10C-DN65,SDt343F-10C-DN80,SDt343F-10C-DN100,SDt343F-10C-DN125,
SDt343F-10C-DN150,SDt343F-10C-DN200,SDt343F-10C-DN250,SDt343F-10C-DN300,SDt343F-10C-DN350,
SDt343F-10C-DN400,SDt343F-10C-DN450,SDt343F-10C-DN500,SDt343F-10C-DN600,SDt343F-10C-DN700,
SDt343F-10C-DN800,SDt343F-10C-DN900,SDt343F-10C-DN1000,SDt343F-10C-DN1200,SDt343F-10C-DN1400,
SDt343F-10C-DN1600,SDt343F-10C-DN1800,SDt343F-10C-DN2000,
SDt343F-10P-DN50,SDt343F-10P-DN65,SDt343F-10P-DN80,SDt343F-10P-DN100,SDt343F-10P-DN125,
SDt343F-10P-DN150,SDt343F-10P-DN200,SDt343F-10P-DN250,SDt343F-10P-DN300,SDt343F-10P-DN350,
SDt343F-10P-DN400,SDt343F-10P-DN450,SDt343F-10P-DN500,SDt343F-10P-DN600,SDt343F-10P-DN700,
SDt343F-10P-DN800,SDt343F-10P-DN900,SDt343F-10P-DN1000,SDt343F-10P-DN1200,SDt343F-10P-DN1400,
SDt343F-10P-DN1600,SDt343F-10P-DN1800,SDt343F-10P-DN2000,
SDt343F-16C-DN50,SDt343F-16C-DN65,SDt343F-16C-DN80,SDt343F-16C-DN100,SDt343F-16C-DN125,
SDt343F-16C-DN150,SDt343F-16C-DN200,SDt343F-16C-DN250,SDt343F-16C-DN300,SDt343F-16C-DN350,
SDt343F-16C-DN400,SDt343F-16C-DN450,SDt343F-16C-DN500,SDt343F-16C-DN600,SDt343F-16C-DN700,
SDt343F-16C-DN800,SDt343F-16C-DN900,SDt343F-16C-DN1000,SDt343F-16C-DN1200,SDt343F-16C-DN1400,
SDt343F-16C-DN1600,SDt343F-16C-DN1800,SDt343F-16C-DN2000,
SDt343F-16P-DN50,SDt343F-16P-DN65,SDt343F-16P-DN80,SDt343F-16P-DN100,SDt343F-16P-DN125,
SDt343F-16P-DN150,SDt343F-16P-DN200,SDt343F-16P-DN250,SDt343F-16P-DN300,SDt343F-16P-DN350,
SDt343F-16P-DN400,SDt343F-16P-DN450,SDt343F-16P-DN500,SDt343F-16P-DN600,SDt343F-16P-DN700,
SDt343F-16P-DN800,SDt343F-16P-DN900,SDt343F-16P-DN1000,SDt343F-16P-DN1200,SDt343F-16P-DN1400,
SDt343F-16P-DN1600,SDt343F-16P-DN1800,SDt343F-16P-DN2000,
SDt343X-6C-DN50,SDt343X-6C-DN65,SDt343X-6C-DN80,SDt343X-6C-DN100,SDt343X-6C-DN125,
SDt343X-6C-DN150,SDt343X-6C-DN200,SDt343X-6C-DN250,SDt343X-6C-DN300,SDt343X-6C-DN350,
SDt343X-6C-DN400,SDt343X-6C-DN450,SDt343X-6C-DN500,SDt343X-6C-DN600,SDt343X-6C-DN700,
SDt343X-6C-DN800,SDt343X-6C-DN900,SDt343X-6C-DN1000,SDt343X-6C-DN1200,SDt343X-6C-DN1400,
SDt343X-6C-DN1600,SDt343X-6C-DN1800,SDt343X-6C-DN2000,
SDt343X-6P-DN50,SDt343X-6P-DN65,SDt343X-6P-DN80,SDt343X-6P-DN100,SDt343X-6P-DN125,
SDt343X-6P-DN150,SDt343X-6P-DN200,SDt343X-6P-DN250,SDt343X-6P-DN300,SDt343X-6P-DN350,
SDt343X-6P-DN400,SDt343X-6P-DN450,SDt343X-6P-DN500,SDt343X-6P-DN600,SDt343X-6P-DN700,
SDt343X-6P-DN800,SDt343X-6P-DN900,SDt343X-6P-DN1000,SDt343X-6P-DN1200,SDt343X-6P-DN1400,
SDt343X-6P-DN1600,SDt343X-6P-DN1800,SDt343X-6P-DN2000,
SDt343X-10C-DN50,SDt343X-10C-DN65,SDt343X-10C-DN80,SDt343X-10C-DN100,SDt343X-10C-DN125,
SDt343X-10C-DN150,SDt343X-10C-DN200,SDt343X-10C-DN250,SDt343X-10C-DN300,SDt343X-10C-DN350,
SDt343X-10C-DN400,SDt343X-10C-DN450,SDt343X-10C-DN500,SDt343X-10C-DN600,SDt343X-10C-DN700,
SDt343X-10C-DN800,SDt343X-10C-DN900,SDt343X-10C-DN1000,SDt343X-10C-DN1200,SDt343X-10C-DN1400,
SDt343X-10C-DN1600,SDt343X-10C-DN1800,SDt343X-10C-DN2000,
SDt343X-10P-DN50,SDt343X-10P-DN65,SDt343X-10P-DN80,SDt343X-10P-DN100,SDt343X-10P-DN125,
SDt343X-10P-DN150,SDt343X-10P-DN200,SDt343X-10P-DN250,SDt343X-10P-DN300,SDt343X-10P-DN350,
SDt343X-10P-DN400,SDt343X-10P-DN450,SDt343X-10P-DN500,SDt343X-10P-DN600,SDt343X-10P-DN700,
SDt343X-10P-DN800,SDt343X-10P-DN900,SDt343X-10P-DN1000,SDt343X-10P-DN1200,SDt343X-10P-DN1400,
SDt343X-10P-DN1600,SDt343X-10P-DN1800,SDt343X-10P-DN2000,
SDt343X-16C-DN50,SDt343X-16C-DN65,SDt343X-16C-DN80,SDt343X-16C-DN100,SDt343X-16C-DN125,
SDt343X-16C-DN150,SDt343X-16C-DN200,SDt343X-16C-DN250,SDt343X-16C-DN300,SDt343X-16C-DN350,
SDt343X-16C-DN400,SDt343X-16C-DN450,SDt343X-16C-DN500,SDt343X-16C-DN600,SDt343X-16C-DN700,
SDt343X-16C-DN800,SDt343X-16C-DN900,SDt343X-16C-DN1000,SDt343X-16C-DN1200,SDt343X-16C-DN1400,
SDt343X-16C-DN1600,SDt343X-16C-DN1800,SDt343X-16C-DN2000,
SDt343X-16P-DN50,SDt343X-16P-DN65,SDt343X-16P-DN80,SDt343X-16P-DN100,SDt343X-16P-DN125,
SDt343X-16P-DN150,SDt343X-16P-DN200,SDt343X-16P-DN250,SDt343X-16P-DN300,SDt343X-16P-DN350,
SDt343X-16P-DN400,SDt343X-16P-DN450,SDt343X-16P-DN500,SDt343X-16P-DN600,SDt343X-16P-DN700,
SDt343X-16P-DN800,SDt343X-16P-DN900,SDt343X-16P-DN1000,SDt343X-16P-DN1200,SDt343X-16P-DN1400,
SDt343X-16P-DN1600,SDt343X-16P-DN1800,SDt343X-16P-DN2000,
SDd343H-6C-DN50,SDd343H-6C-DN65,SDd343H-6C-DN80,SDd343H-6C-DN100,SDd343H-6C-DN125,
SDd343H-6C-DN150,SDd343H-6C-DN200,SDd343H-6C-DN250,SDd343H-6C-DN300,SDd343H-6C-DN350,
SDd343H-6C-DN400,SDd343H-6C-DN450,SDd343H-6C-DN500,SDd343H-6C-DN600,SDd343H-6C-DN700,
SDd343H-6C-DN800,SDd343H-6C-DN900,SDd343H-6C-DN1000,SDd343H-6C-DN1200,SDd343H-6C-DN1400,
SDd343H-6C-DN1600,SDd343H-6C-DN1800,SDd343H-6C-DN2000,
SDd343H-6P-DN50,SDd343H-6P-DN65,SDd343H-6P-DN80,SDd343H-6P-DN100,SDd343H-6P-DN125,
SDd343H-6P-DN150,SDd343H-6P-DN200,SDd343H-6P-DN250,SDd343H-6P-DN300,SDd343H-6P-DN350,
SDd343H-6P-DN400,SDd343H-6P-DN450,SDd343H-6P-DN500,SDd343H-6P-DN600,SDd343H-6P-DN700,
SDd343H-6P-DN800,SDd343H-6P-DN900,SDd343H-6P-DN1000,SDd343H-6P-DN1200,SDd343H-6P-DN1400,