DODOMACH PNEUMATIC

Rubber Expansion Joints

Rubber Expansion Joint Double Sphere REJ200

Rubber Expansion Joint Double Sphere REJ200

REJ200 is a double sphere rubber expansion joint for pipe systems requiring vibration absorption, noise reduction, and axial or lateral movement compensation.

Features

  • Allows four-way movement compensation.
  • Precision molded from synthetic rubber and reinforced nylon.
  • Excellent ability to absorb vibration and noise.
  • Designed to withstand high pressure service conditions.
  • Corrosion resistant and easy to install with floating flange design.

Main Dimensions

Nominal Diameter (mm) Inch Length (mm) Axial Extension (mm) Axial Compression (mm) Horizontal Movement (mm) Deflection Angle
40 1-1/2 165 30 50 45 35 degrees
50 2 165 30 50 45 35 degrees
65 2-1/2 170 30 50 45 35 degrees
80 3 175 35 50 45 35 degrees
100 4 225 35 50 40 35 degrees
125 5 225 35 50 40 35 degrees
150 6 225 35 50 40 35 degrees
200 8 325 35 50 40 35 degrees
250 10 325 35 60 35 30 degrees
300 12 325 35 60 35 30 degrees
350 14 350 35 60 35 30 degrees
400 16 350 35 60 35 30 degrees
450 18 350 35 60 35 30 degrees
500 20 350 35 60 35 30 degrees
600 24 400 35 60 35 30 degrees

Material Structure Diagram

Rubber Expansion Joint Double Sphere REJ200 material structure diagram

Materials

No. Part Material
1 Outer / inner rubber NR, EPDM, NBR, FKM, Neoprene etc.
2 Frame Nylon cord fabric
3 Pressurized ring Steel wire strand
4 Flange Carbon steel galvanized, paint; ductile iron; stainless steel etc.

Notes

  • Size range from DN40-DN1200 is available; special size and length can be customized.
  • Flange standard can be DIN, ANSI, JIS and other standards on request.
  • Higher temperatures affect movement and pressure. Rated values should be reduced accordingly as temperature increases.
  • Pressures shown are recommended operating values; test pressure is 1.5 times operating pressure.
  • Use normal precautions for pipelines and equipment carrying fluids at elevated temperature or pressure, and inspect installed joints regularly.
  • For other applicable fluids, please consult the supplier or manufacturer.
  • OEM and ODM service is available.

Product Details

Product Type Double sphere rubber expansion joint for larger movement compensation and vibration isolation
Main Materials Rubber body with reinforced structure and metal connection parts according to product type
Connection Flange, threaded union, clamp or reducing connection according to the selected REJ model
Function Absorbs vibration, reduces noise, compensates movement and helps protect connected pipework
Applications Water supply, HVAC, pump connection, industrial piping and general pipeline systems
Ordering Note Confirm nominal diameter, pressure, connection type, rubber material and flange/drilling standard when sending an inquiry