Product Details

Single sphere rubber expansion joint( single sphere rubber joint) generally refers to a rubber joint with a single rubber sphere structure. It's mainly used in pipelines in order to reduce vibration, decrease noise. It has good flexibility and is easy to use.

Expansion Joint, Single Sphere Dimensions

DN	L	b		n		d		D		Axial Displacement		Lateral Displacement	Angle of Deflection
DN	L	150LB	PN16	150LB	PN16	150LB	PN16	150LB	PN16	Stretch	Compression	Lateral Displacement	a1+a2
32	95	16	16	4	4	15.7	18	88.9	100	6	9	9	15°
40	95	16	16	4	4	15.7	18	98.6	110	6	10	9	15°
50	105	18	18	4	4	19.1	18	120.7	125	7	10	10	15°
65	115	18	18	4	4	19.1	18	139.7	145	7	13	11	15°
80	135	20	20	4	8	19.1	18	152.4	160	8	15	12	15°
100	150	20	20	8	8	19.1	18	190.5	180	10	19	13	15°
125	165	22	22	8	8	22.4	18	215.9	210	12	19	13	15°
150	180	22	22	8	8	22.4	23	241.3	240	12	20	14	15°
200	210	24	24	8	12	22.4	23	298.5	295	16	25	22	15°
250	230	26	28	12	12	25.4	27	362	355	16	25	22	15°
300	245	28	28	12	12	25.4	27	431.8	410	16	25	22	15°
350	255	30	30	12	16	28.4	27	476.3	470	16	25	22	15°
400	255	32	32	16	16	28.4	30	539.8	525	16	25	22	15°
500	255	34	36	20	20	31.8	33	635	650	16	25	22	15°
600	260	36	38	20	20	35.1	36	749.3	770	16	25	22	15°

Expansion Joint, Single Sphere VS Expansion Joint, Twin Sphere

1. Material (Similarity):

Both flange material of expansion joint single sphere and twin sphere can be carbon steel & stainless steel ,both rubber material can be Neoprene.EPDM,NBR.

2. Pressure (Similarity):

Both pressure of expansion joint single sphere and twin sphere are Class150,PN10/16,JIS 10K/16K

3. Range of Applications (Similarity):

Standard: DIN PN/PN16, ANSI 150LBS, JIS 10K/16K.

Size: 1 1/4"-120" (DN32-DN3000)

Material of Rubber: Neoprene, EPDM, NBR.

4. Installation (Similarity and Difference):

The structure of single sphere expansion joint is basically the same as that of the twin sphere, all of them are connected by bolts. The installation length of single sphere rubber joint is shorter than that of twin sphere.

Expansion Joint, Single Sphere FAQs

1.What Is The Purpose Of Rubber Expansion Joints?

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Rubber expansion joints are designed to reduce vibration and dampen sound transmission. They are also designed to take the following movements: Compression, Extension, Angular, Torsional and Lateral.

2.What Is The Material Available For Rubber Expansion Joints?

Hebei Leading Metals & Piping Industries Co., Ltd. is a global market-oriented company. Our business is helping our customers with their flow control requirements. Our product lines consist of butterfly valves and flanges.

Now the price of wafer butterfly valves is affordable, if you have needs, please contact us.