Steam Rubber Expansion Joints/Double Bellow Expansion Joints
Steam Rubber Expansion Joints/Double Bellow Expansion Joints
Steam Rubber Expansion Joints/Double Bellow Expansion Joints

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Steam Rubber Expansion Joints/Double Bellow Expansion Joints

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Model No. : Union Type Rubber Expansion Joints
Brand Name : MACRO ENTERPRISE
9yrs

Shijiazhuang, Hebei, China

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Product description

Specifications Steam Rubber Expansion Joints/Double Bellow Expansion Joints

1.ISO Certificate

2.OEM production

Steam Rubber Expansion Joints/Double Bellow Expansion Joints         Flexible Rubber Expansion Joints:       

1) Material

EPDM, NBR, NR, Polarity rubber

2)Construction

Inner core, Outer cover, Frame, Metallic ring, M. I. union or Carbon steel flange

3)Connector Approval

Flanged, flange type Threaded, Union type Rubber Joint

4)Type

Single sphere or arch, Double spheres or arch

5)Threads

DIN, BSPT, BSP, NPS, NPT, Metric, (ISO7/1, DIN 2999, ANSI B1.20.1)

6)Flange Drilled

BS, DIN, ANSI, JIS or others provided drawing samples

7)Surface

Galvanized, Epoxy

8)Normal Specification

DN32 to1200mm(1 1/4 to 48 inch); For threaded union connector only be DN15 to 80mm(1/2 to 3 inch)

9)Usage

Protecting piping and equipments systems from stress or motion

10)Application

Air, Pressurized air, Water, Sea water, Hot water, Oil, Acid, Alkali etc

  Rubber Expansion Joints Detail Information: 1. This product can greatly reduce pipeline system shock and noise. And can fundamentally resolve pipe joints displacement, axial stretch and non-concentricity.
2. By using different materials, it can be made many kinds to cater for different medium and environment. Such as acid resistance, alkali resistance, corrosion resistance, oil resistance and heat resistance etc. 
3. The material is polar rubber, sealing is very good. It is in light weight, very easy for installation and maintenance. This product has long life performance, but must be not contact with sharp metal instruments to avoid piercing the sphere. 
4. If used at overhead station, need to use flexible support, tight the bolt diagonally during installation. 
5. If the pipeline pressure is too high, need to use limit bolt to connect the both ends flange together. 
6. Flange connection comply with GB4216.34216. 5 standard, if use other standard, need to notice again. Working pressure grade is 0.6MPa, 1.0MPa, 1.6MPa, 2.5MPa.   If you interested in rubber expansion joints, pls contact us freely
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