•  Product Features

     A hinged expansion joint consists of one bellows, end pipes and one pair of hinges attached to the two end pipes, It is designed to permit angular rotation in one plane only and the hinges and hinges and hinge pins are designed to restrain the thrust of the expansion joint due to internal pressure. Hinged expansion joints shall be used in sets of two or three to absorb movement properly.

•  Applicable Conditions

Working pressure: 0.1 through 2.5 (MPa)
Working temperature: -20 through 450 (℃)
Service life: 1000 (times)
Flange：GB、ANSI、JIS、DIN etc


• Product Specification

Nominal ID(DN): Φ50 through 2000 (mm)

•  STRUCTURE

• Material

1.Bellow：Stainless steels 304 316L 321 254 309 Inconel625 31803 etc
2.Flange、weld Ends：Carbon steel Stainless steels etc
3.Tie rod Nuts：Carbon steel Stainless steels etc 

• The product code consists of following elements　

•  Guides for expansion Joint installation

1. The expansion joint shall be installed according to the engineering drawing of pipe line and the expansion joint installations
2. In order to insure proper function of any expansion joints, it is necessary that all pipe lines in which expansion joints are located be suitably guided and anchored. The guides and anchors must be installed strictly in accordance to relevant technical documentation. Please refer to the “guideline for installation of Expansion Joints” about the principle of using guides and anchors.
3. Since the bellows used in expansion joints are made of thin stainless steel sheets, special attention shall be paid when transporting, handing and welding to avoid damage of bellows caused by dents, scores, arc strikes and weld spatters.
4. Any foreign laterals in the bellows and pipes shall be removed to ensure the proper function of expansion joints before installation.
5. If the flow direction is specified, be sure to install expansion joint with the proper orientation with the respect of flow direction arrow.
6. No movement of the expansion joint (such as axial compression or extension, lateral offset, or rotation) due to piping misalignment shall be imposed during installation so as to ensure proper function of the bellows.

• Date sheet

Dat sheet
PN MPa	Product type	Dia. DN （mm）	Overall Length （mm）	Angular rotation αo(o)	Angular spring rate kαo N.m／(o)	Max Dia B(mm)	End pipe doxS(mm)
0.6	6JB80x4—J	80	600	±12	10	296	φ89x4
	6JB100x4—J	100	600	±10	16	315	φ108x4
	6JBl25x4—J	125	600	±8.5	27	340	φ133x4.5
	6JB150x4—J	150	600	±7	43	366	φ159x4.5
	6JBS200x4—J	200	600	±13	64	457	φ219x6
	6JBS250x4—J	250	600	±10.5	111	511	φ273x8
	6JBS300x4—J	300	650	±11.5	135	573	φ325x8
	6JBS350x4—J	350	650	±10	195	625	φ377x10
	6JBS400x4—J	400	650	±9	269	674	φ426x10
	6JBS450x4—J	450	750	±8	365	726	φ478x10
	6JBS500x4—J	500	750	±7	429	777	φ529x10
	6JBS600x4—J	600	850	±8.5	871	952	φ630x10
	6JBS700x4—J	700	850	±7.5	1192	1042	φ720x10
	6JBS800x4—J	800	900	±6.5	1644	1142	φ820x10
	6JBS900x4—J	900	900	±6	2198	1260	φ920x10
	6JBSl000x4—J	1000	1000	±6.5	1864	1412	φ1020x10
1.0	10JB80x4—J	80	600	±10	17	296	φ89x4
	10JBl00x4—J	100	600	±8.5	27	315	φ108x4
	10JBl25x4—J	125	600	±7	45	340	φ133x4.5
	10JBl50x4—J	150	600	±5.5	72	366	φ159x4.5
	10JBS200x4—J	200	650	±10.5	107	457	φ219x6
	10JBS250x4—J	250	650	±8.5	187	511	φ273xg
	10JBS300x4—J	300	650	±9.5	222	573	φ325x9
	10JBS350x4—J	350	700	±8	325	645	φ377x10
	10JBS400x4—J	400	700	±7	452	690	φ426x10
	10JBS450x4—J	450	750	±6	616	746	φ478x10
	10JBS500x4—J	500	750	±5.5	812	831	φ529x10
	10JBS600x4—J	600	900	±6.5	1380	952	φ630x10
	10JBS700x4—J	700	950	±6	1890	1060	φ720x10
	10JBS800x4—J	800	1000	±5	2608	1195	φ820x10
	10JBS900x4—J	900	1000	±4.5	3489	1300	φ920x10
	10JBSl000x4—J	1000	1100	±6.5	4825	1430	φ1020x10
1.6	16JBK80x4—J	80	600	±12	23	312	φ89x4
	16JBKl00x4—J	100	600	±10	37	331	φ108x4
	16JBKl25x4—J	125	600	±8.5	61	356	φ133x4.5
	16JBKl50x4—J	150	600	±7	97	382	φ]59x4.5
	16JBSK200x4—J	200	650	±11	228	457	φ219x6
	16JBSK250x4—J	250	650	±9	400	522	φ273x9
	16JBSK300x4—J	300	750	±9.5	502	627	φ325x9
	16JBSK350x4—J	350	750	±8	737	690	φ377x10
	16JBSK400x4—J	400	750	±7	1024	740	φ426x10
	16JBSK450x4—J	450	850	±6.5	1396	790	φ478x10
	16JBSK500x—J	500	850	±5.5	1839	850	φ529x10
	16JBSK600x4—J	600	1000	±6.5	2837	1005	φ630x10
	16JBSK700x4—J	700	1100	±6	3882	1100	φ720x10
	16JBSK800x4—J	800	1100	±5	5354	1200	φ820x10
	16JBSK900x4—J	900	1200	±4.5	7157	1340	φ920x10
	16JBSKl000x4—J	1000	1200	±5	9176	1470	φ1020x10