Home Product Butterfly Valve Series

Product Classification

Control Valve Series Ball Valve Series Butterfly Valve Series Gate Valve Series Globe Valve Series Check Valve Series Water Control Valve Series Filter Series Steam Trap Series

Sliding butterfly valve

Technical Specifications

Product model: SD341X/SD342X
Nominal diameter: DN50mm - DN2000mm
Nominal pressure: PN 0.6 MPa to 1.6 MPa
Applicable media: water, oil products
Applicable temperature range: 10℃ - 80℃
Valve body material: Carbon steel, Stainless steel
Manufacturing standard: GB/T12238-1989
Structural length: GB/T12221-1989
German standard: GB/T9113-198

Sales Hotline：

0086-21-59110018

Product Details

Product Overview

The telescopic butterfly valve is a special type of the butterfly valve series. It is a valve that can be used in two ways and integrates an expansion joint and a flanged butterfly valve. This valve can axially expand within a certain range, which is beneficial for the thermal expansion and contraction of pipelines, eliminating pipeline vibrations, and overcoming the offset caused by the different axes of pipeline connection within a certain angle range. It is convenient for the installation and disassembly of the pipeline. This valve is suitable for use in food, beverage, medicine, pure water pipelines, industrial environmental protection, water treatment, construction, water supply and drainage, and as a means of connecting, opening and closing or regulating the flow of media in pipelines.

Product features

1. The sealing parts can be adjusted and replaced, and the sealing performance is reliable.
2. Special structure, flexible design, light weight, effortless operation, and quick opening/closing.
3. The telescopic butterfly valve not only compensates for the thermal expansion and contraction caused by temperature differences in the pipeline, but also facilitates the installation and replacement of valves during maintenance.

Main dimensions of the shape

DN		Overall dimensions (reference values)					Flange dimensions and bolt dimensions (standard values)
DN		H	H1	Design Max L	Design Min L	Design L	A	B	0.6MPa				1.0MPa				1.6MPa
mm	Inch	H	H1	Design Max L	Design Min L	Design L	A	B	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	2-1/2	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