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Professional Flanged Rubber Expansion Joint , Duct Expansion Joint DN50-DN1200

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Address: Room 1002, Xinghua Building,Zhengzhou City, China

Contact name:Wu

Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.

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Professional Flanged Rubber Expansion Joint , Duct Expansion Joint DN50-DN1200

Country/Region	china
City & Province	zhengzhou shandong

Product Details

Introduction of reducer type rubber expansion joint

The utility model relates to a flexible eccentric eccentric rubber joint, which can solve the problem of different caliber when the metal pipe is connected,and has the function of shock absorption and noise reduction, and can save the installation parts of the pipeline and save the cost. The utility model is composed of an inner rubber layer, a fabric reinforcing layer, a middle rubber layer, an outer rubber layer, an end reinforcement, a metal ring or a steel wire ring, a metal flange or a parallel movable joint.

Specifications of stainless steel flanged concentric reducing rubber expansion joint

Material List
No.	Name	Material
1	Outer rubber layer	IIR, CR, EPDM, NR, NBR
2	Inner rubber layer	IIR, CR, EPDM, NR, NBR
3	Frame layer	Polyester cord fabric
4	Flange	Q235 304 316L
5	Reinforcement ring	Bead ring

specification	DN50~300	DN350~600
Working pressure (MPa)	0.25~1.6
Bursting pressure (MPa)	≤4.8
Vacuum (KPa)	53.3(400)	44.9(350)
Temperature (℃)	-20~+115(for special condition -30~+250)
Applicable medium	Air, compressed air, water, seawater, hot water, oil, acid-base, etc..

DN(large)×DN(small)	Length	Axial displacement (extension)	Axial displacement (compression)	Radial displacement	Deflecting angle
DN(large)×DN(small)	Length	Axial displacement (extension)	Axial displacement (compression)	Radial displacement	(a1+a2)°
50×32	180	15	18	45	35°
50×40	180	15	18	45	35°
65×32	180	15	18	45	35°
65×40	180	15	18	45	35°
65×50	180	15	18	45	35°
80×32	220	15	18	45	35°
80×50	180	20	30	45	35°
80×65	180	20	30	45	35°
100×40	220	20	30	45	35°
100×50	180	20	30	45	35°
100×65	180	22	30	45	35°
100×80	180	22	30	45	35°
125×50	220	22	30	45	35°
125×65	180	22	30	45	35°
125×80	180	22	30	45	35°
125×100	200	22	30	45	35°
150×50	240	22	30	45	35°
150×65	200	22	30	45	35°
150×80	180	22	30	45	35°
150×100	200	22	30	45	35°
150×125	200	22	30	45	35°
200×80	260	22	30	45	35°
200×100	200	25	35	40	30°
200×125	220	25	35	40	30°
200×150	200	25	35	40	30°
250×100	260	25	35	40	30°
250×125	220	25	35	40	30°
250×150	220	25	35	40	30°
250×200	220	25	35	40	30°
300×125	260	25	35	40	30°
300×150	220	25	35	40	30°
300×200	220	25	35	40	30°
300×250	220	25	35	40	30°
350×200	230	28	38	35	26°
350×250	230	28	38	35	26°
350×300	230	25	38	40	26°
400×200	230	25	38	40	26°
400×250	240	28	38	35	26°
400×300	240	28	38	35	26°
400×350	260 or	28	38	35	26°
400×350	285	28	38	35	26°
450×250	280	28	38	35	26°
450×300	240	28	38	35	26°
450×350	240	28	38	35	26°
450×400	240	28	38	35	26°
500×250	280	28	38	35	26°
500×300	280	28	38	35	26°
500×350	240	28	38	35	26°
500×400	230	28	38	35	26°
500×450	240	28	38	35	26°
600×400	240	28	38	35	26°
600×450	240	28	38	35	26°
600×500	240	28	38	35	26°