Double Sphere Expansion Joint
Double sphere expansion joint is actually the appearance shape is apart from the single sphere rubber joint, its installation length than single sphere rubber joint, this solves the rubber joint length of short installation, the need to install the rubber joint of longer length of time can use double sphere rubber joint, but double sphere rubber joint displacement limit to prohibit overheating when installation to install.
Product Introduction
Introduction:
The appearance and shape of the double sphere expansion joint is actually different from that of the single-ball rubber joint. Its installation length is longer than that of single-ball rubber joints, which solves the problem of short rubber joints, and only needs to install longer rubber joints. Double spherical rubber joints have displacement limits to prevent overheating during installation. When the double-ball rubber joint is installed on the ground, in the air and vertically, the actual working axial displacement pressure of the rubber joint should be less than the supporting force of the pipeline, otherwise a pull-proof device should be installed to prevent it from being compressed and broken during operation.
Application:
Double Sphere Expansion Joint is suitable for lifting and conveying raw water and sewage, feeding water and cooling circulating water of thermal power plants, pipeline conveying of chemical substances in metallurgical industry, condensed water, chemical industry and cooling system in petrochemical industry.
Description:
Double sphere expansion joint is mainly composed of working theme rubber ball and flange at both ends. Rubber is soft, can reduce vibration and noise, and can compensate for thermal expansion and contraction caused by temperature changes, so it is doomed to the important position in pipeline system. Because the length of the double ball rubber joint is long, and the pressure resistance part is mainly in the middle of the convex part, so the joint can not bear the pressure of the single ball rubber joint. The small diameter of the double ball rubber joint is generally very high to reach 1.6mpa, and the large diameter of the double ball rubber joint is very high to reach 1.0mpa.
Specification:
Valve Size: | 1.5"-24" |
Pressure Class: | 125LB-150LB (PN6-PN16) |
Matierials: | Ductile iron ASTM A536, Carbon steel A216 WCB, stainless steel A351 CF8/CF8M |
Design and Manufacturing Standards: | HG/T 2289-2001 |
Face to Face Standards: | CJT208-2005, CJT 3013.1-1993 |
Flange Dimension Standards: | EN1092-1, ASME B16.5, ASME B16.47, GOST12815 |
Pressure Test Standards: | ISO5208 |
Process Connection Types | Flange / thread type |
Applicable medium | Air, compressed air, water, seawater, hot water, oil, acid, alkali and other chemical substances. |
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