Pn16 Carbon Steel Flexible Concentric Epdm Rubber Expansion Joint Oil Resistant

Product Specification

Oil-resistant and acid-resistant Pn16 carbon steel flexible concentric reducer rubber coupling

Product Introduction

1. Product aliases: Flexible rubber joints, rubber joints, rubber soft connections, shock absorbers, flange soft connections, flexible joints, rubber pipe joints, compensators, rubber bellows joints, eccentric reduced rubber expansion joints, etc
2. Product specifications: DN20mm-DN3600mm
3. Product pressure: 0.6 — 2.5 MPa
4. Shock absorption grade: A grade, the shock absorption level is very high
5. Product certification: ISO9001:2008, CE
6. Scope of application: Acid, alkali, corrosion, oil, hot and cold water, compressed natural gas, compressed air

Product performance characteristics

1. High pressure resistance: It can withstand high working pressure and is suitable for various industrial piping systems.
2. Good elasticity: It can effectively absorb vibration and noise, and reduce the resonance phenomenon of the pipeline system.
3. Large displacement: Able to balance pipeline deviation and adapt to larger displacement.
4. Strong corrosion resistance: Able to work stably in corrosive media such as acid and alkali.
5. High and low temperature resistance: Able to maintain stable performance in extreme temperatures.
6. Easy installation: Small size, light weight, easy to install and maintain.

The medium for which the product is suitable

1. Domestic sewage
2. Industrial sewage
3. Chemical raw materials
4. Oil
5. Lime mortar
6. Food

Product parameters

Product display from different angles

Different types of rubber joints

           Single ball                               Double ball                          End face fully                          PTFE lined

            rubber joint                                rubber joint                    sealed rubber joint                     rubber joint

    Double ball rubber joint             Eccentric reducing                  Union thread                         Food grade

             with tie rod                              rubber joint                       rubber joint                          rubber joint        

Preparation before product installation 

      1. Ensure that the concentric reducer rubber joint is in a natural state, and avoid artificial deformation during the installation process to prevent early damage and weaken the use effect.
      2. Check the displacement limit of the rubber joint to ensure that it does not exceed its maximum displacement limit.

Product installation steps

      1. Place the rubber joint in a natural state, the holes between the flanges should be aligned, and the fasteners should be installed evenly diagonally to avoid pressure deviation.
      2. When installing, snap the reinforcing rings (wire ropes of the protruding part) at both ends of the ball into the flange groove to prevent the ball and flange from falling off when the pipe is pressurized.
      3. When installing the bolts, first tighten the symmetrical bolts (six or four) to make sure the balls are completely in place on the flange.
      4. The screw rod of the bolt should extend out of one end of the pipe flange to prevent the arched part of the rubber joint from being crushed or punctured by the thread when compressed and expanded.
      5. The bolts at each end should be tightened symmetrically, so that the tightness of all bolts is the same, and the flat gasket and spring washer should be added in the place where the use conditions are poor to prevent the nut from loosening.

Lots of inventory

FAQ

Q: What are the standards of your flanges?

A: We have different standards such as German standard, American standard, British standard and so on.

Q: What is the operating pressure range of concentric reducing rubber joints?
A: 1.0-2.5Mpa.

Q: What are concentric reducing rubber joints connected to?
A: Flange connection.

Q: What are the application areas of concentric reducer rubber joints?

A: Water plants, power plants, sewage treatment plants and other different fields.

Q: Can products with different caliber sizes be customized?

A: Yes, the above are standard sizes, we can make them according to customer requirements.