1,flanged rubber expansion joints 2,double flanged rubber expansion joints 3,ISO9001 and CE Certificate 4,do OEM

Double-sphere Flanged Rubber Expansion Joints

Portion Material

1,Main body Polarized rubber

2, Lining Nylon cord fabric

3, Frame Hard steel wire

4, Flange Mild steel

Techmical Consition

Model	DN32-DN200	DN250-DN500
Working pressure (Mpa)	1.6	1.0
Bursting pressure (Mpa)	4.8	3.0
Vacuity (mmHg)	500	400
Applicable temp.(°C)	-20~+115
Applicable media	Air.Compressed air, water, sea water, hot water, weak acid, etc.

Table of  Main Parameters of Nominal Core Diameter, Length, Displacement Value and Flange

Nominal core diameterDN		LengthL(mm)	Axial displacement(mm)		Lateraldisplacement(mm)	Angle of deflection (a1+a2)
(mm)	(in.)		Stretch	Compression
32	(11/4)	175	20	30	45	30°
40	(11/2)	175	20	30	45	30°
50	2	175	20	30	45	30°
65	(21/2)	175	25	50	45	30°
80	(3)	175	25	50	45	30°
100	(4)	225	35	50	35	30°
125	(5)	225	35	50	35	30°
150	(6)	225	35	50	35	30°
200	(8)	325	35	50	30	30°
250	(10)	325	35	50	30	30°
300	(12)	325	35	50	30	20°
350	(14)	345	35	50	28	20°
400	(16)	345	35	50	28	20°
500	(20)	345	35	50	28	20°