Expansion Joint, buy Double Flange Limited Expansion Joint on China Suppliers Mobile

Product Details

Introduction:
Double Flange Limited Expansion Joint is composed of body, obturating ring, gland,expansion joint . Pipe can expansion freely within the expansion amount, once beyond the maximum expansion amount, limited appear, to ensure the safety operation, especially used in the pipeline with vibration or certain angle .

Material table:

Order	Name	Quantity	Materials
1	Body	1	QT400-15, Q235A ZG230-450, 20
2	Seal Ring	1	NBR
3	Gland	1	QT400-15, Q235A , ZG230-450, 20
4	Limited Pipe	1	Q235A , 20, 16Mn
5	Nut	4n	Q235A, 20, ICr18Ni9Ti
6	Long Bolt	n	Q235A, 35, ICr18Ni9Ti
7	Bolt	n	Q235A, 35, ICr18Ni9Ti

Technical parameter:

DN	Pipe Diameter Dw	Size	Stretching amount △L	Flange joint Size
0.6MPa	1.0MPa
Dw	Do	L	L1		D	D1	n-do	D	D1	n-do
65	76	76	340	105	50	160	130	4-Φ14	185	145	4-Φ18
80	89	89	190	150	4-Φ18	200	160	8-Φ18
100	108	108	210	170	220	180
114	114
125	133	133	340	105	50	240	200	8-Φ18	250	210
140	140
150	159	159	265	225	285	240	8-Φ22
168	168
200	219	219	320	280	340	295
250	273	273	375	335	12-Φ18	395	350	12-Φ22
300	325	325	350	130	65	440	395	12-Φ22	445	400
350	377	377	490	445	505	460	16-Φ22
400	426	426	540	495	16-Φ22	565	515	16-Φ26
450	480	480	595	550	615	565	20-Φ26
500	530	530	645	600	20-Φ22	670	620
600	630	630	755	705	20-Φ26	780	725	20-Φ30
700	720	720	860	810	24-Φ26	895	840	24-Φ30
800	820	820	600	220	130	975	920	24-Φ30	1015	950	24-Φ33
900	920	920	1075	1020	1115	1050	28-Φ33
1000	1020	1020	1175	1120	28-Φ30	1230	1160	28-Φ36
1200	1220	1220	1405	1340	32-Φ33	1455	1380	32-Φ40
1400	1420	1428	640	1630	1560	36-Φ36	1675	1590	36-Φ42
1500	1520	1528	1730	1660	-	-	-
1600	1620	1628	1830	1760	40-Φ36	1915	1820	40-Φ48
1800	1820	1828	2045	1970	44-Φ40	2115	2020	44-Φ48
2000	2020	2030	2265	2180	48-Φ42	2325	2230	48-Φ48
2200	2220	2230	2475	2390	52-Φ42	2550	2440	52-Φ56
2400	2420	2430	2685	2600	56-Φ42	2760	2650	56-Φ56
2600	2620	2630	710	240	140	2905	2810	60-Φ48	2960	2850	60-Φ56
2800	2820	2830	3115	3020	64-Φ48	3180	3070	64-Φ56
3000	3020	3030	3315	3220	68-Φ48	3405	3290	68-Φ60
3200	3220	3230	3525	3430	72-Φ48	-	-	-
3400	3420	3430	3735	3640	76-Φ48	-	-	-
3600	3620	3630	3970	3860	80-Φ56	-	-	-
Note: this size is accord with GB/T12465-2002 standard