1,Double Sphere Screwed Rubber Expansion Joints 2,Rubber Expansion Joints 3,ISO9001 and CE certificate 4,do OEM

Double Sphere Screwed Rubber Expansion Joints

Portion Material

1,Main body Polarized rubber

2, Lining Nylon cord fabric

3, Frame Hard steel wire

4 ,Union Forgeable cast iron

 Techmical Consition

Parameter	3/4" --- 3"
Working pressure (MPa)	1.0
Bursting Pressure (MPa	3.0
Vacuity (mmHg)	400

 Table of Nominal Core Diameter of Pige,Axial displacement,and Lateral Displacement

Nominal core dia.DN		L Value(mm)		Axial displacement (mm)		Lateral displacement
(mm)	(in.)			Stretch(mm)	Compression
15	1/2	200		6	22	45
20	3/4	200		6	22	45
25	1	200		6	22	45
32	1 1/4	200		6	22	45
40	1 1/2	200		6	22	45
50	2	200		6	22	38
65	2 1/2	200	240	6	22	38
80	3	200	240	6	22	38