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Double-sphere Spherical Expansion Joint, Rubber Compensator With Two Balls
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Product Details
| Material | Other, rubber | Technics | Other | |
| Type | Flange | Place of Origin | Hebei, China | |
| Model Number | NMH | Brand Name | North Metal Hose | |
| Connection | Flange | Shape | Other | |
| Head Code | Other, Rounded |
Product Description
Product Description
Double-sphere connectors are similar in construction to the single sphere style, but with a second sphere to provide even more pipe movement absorbing capability and even greater efficiency for noise and vibration control. In fact, double-sphere connectors offer the industry's best option for vibration reduction-up to 98%, depending on pressure and frequency. A plated steel external root ring surrounds the connector between the spheres, preventing ballooning or swelling under pressure.
Double-Sphere expansion joints are ideal for many demanding industrial applications such as water & waste treatment, power generation, pulp & paper, chemical handling, mine processing and marine. Spool type expansion joints should always be installed using split steel retaining rings. Control units are always required in unanchored piping systems and are recommended in all other pressure application as a back-up safety device in the event of anchor failure.
Structure of Double sphere

Specification of double sphere

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Contact Us
- Qinhuangdao North Metal Hose Co., Ltd.
- Contact nameAlina Li Chat Now
- Phone86-335-8015618
- AddressNo. 16, North Tianshan Road, Economic And Technological Development Zone
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| expansion joint | fabric cloth | fittings | flange |
| New Products | pipe support | pump connectors | rubber hose |
| tuyere stock assembly |
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