Expansion Joint (Telescopic Type)

The expansion tube facilitates the installation and maintenance of other piping materials such as pumps and valves by the expansion and contraction action of the sleeve inserted into the body of the expansion tube.

Standard

80㎜ ~ 2,000㎜ (※ Small diameters of 80㎜ or less and large diameter of 2,000㎜ or more can be manufactured according to customer requirements.)

Working Pressure

0.98Mpa(10㎏f/㎠) (According to customer requirements, more than 16㎏f/㎠ can be produced.)

Joint part

Flange type, standard specifications is KS D3578 - F12, and other specifications are applicable according to customer's request.

Working Fluid

Freshwater and seawater

Material
Dimensions

Main part material

No	Part Name	Material	KS
1	Body	Steel Structure	SS400
1	Body	Stainless Steel Casting	STS304 / STS316 / STS316L
2	Sleev	Steel Structure	SS400
2	Sleev	Stainless Steel Casting	STS304 / STS316 / STS316L
3	Rubber	Synthetic Rubber	NBR / EPDM

External Dimensions

**Expansion Joint Dimensions (Telescopic)** / Unit : ㎜
Bore (d)	Face to Face	Flange						Stroke
Bore (d)	L	ØD	ØC	ØG	T	f	n-Øh	S
80	310	211	160	133	18	2	4-19	40
100	310	238	180	153	18	2	8-19	40
125	325	263	210	183	20	2	8-19	40
150	330	290	240	209	22	2	8-23	40
200	390	342	295	264	22	2	8-23	60
250	400	410	350	319	24	3	12-23	60
300	480	464	400	367	24	3	12-23	75
350	490	530	460	427	26	3	16-23	75
400	530	582	515	477	26	3	16-27	87
450	540	652	565	518	28	3	20-27	87
500	580	706	620	582	28	3	20-27	100
600	610	810	725	682	30	3	20-30	100
700	665	928	840	797	32	3	24-30	112
800	670	1034	950	904	34	3	24-33	112
900	710	1156	1050	1004	36	3	28-33	125
1000	730	1262	1160	1111	38	3	28-36	125
1100	770	1366	1270	1200	41	3	32-36	137
1200	775	1470	1387	1304	43	3	32-36	137
1350	805	1642	1552	1462	45	3	36-40	137
1500	810	1800	1710	1620	48	3	36-40	137
1650	860	1950	1870	1770	53	3	40-40	150
1800	960	2115	2020	1960	55	3	44-49	175
2000	975	2325	2230	2170	58	4	48-49	175

1. The flange is KS D 3578 F-12 standard, and other standards can be applied upon request.
2. The face-to-face distance of the expansion tube is the manufacturer's standard specification.