RUBBER COMPACTED JOINT WITH TIE RODS For Shock Absorber PN16 PN10
These joints are cylindrical in shape and are made of EPDM elastomer. They are installed in pipes in the vicinity of pumps,
compressors, valves, construction machinery, etc.,to mitigate operating noise and absorb minor vibrations.
The body has no metallic parts to come into contact with the fluid being transported or the counter flanges. A pair of flanged
carbon steel inserts have been fitted into the interior.
Models from DN 80 are equipped with internal tie-rod spacers in carbon steel to counteract the thrust from internal pressure.
The vibration absorber joints must not be used to absorb axialor lateral movements, large amplitude vibrations, torsions or
angularmovements. Each joints must always be installed between two fixed points correctly designed. Joints must be installed
at thesupplied H lenght without any initial tension. Mating flanges must be parallel and correctly lined up.
Material of main Spare Parts
| Cover | EPDM, NBR, Hypalon, NR, PTFE |
| Reinforcing Fabric | Nylon |
| Tube | EPDM, NBR, Hypalon, NR, PTFE |
| Retain Rings | Steel |
| Flange | Carbon Steel, Stainless Steel, Duplex SS |
Supplying Scope
| Size Range | DN50-DN800 |
|
Pressure Range | PN10 PN16 PN25 for rubber |
| PN10, PN16, PN25, PN40, PN64, PN100 for metal bellow type |
Design Pressure
| Working Pressnre(Bar) | 10 | 16 | 25 |
| Burst pressure(Bar) | 30 | 48 | 55 |
| Vacuam(mmHg) | 400 | 650 | 750 |
Technology/ Technical Data Sheets
Dimension of Compact Joint
| DN | BL | Pressure Rating | DIN PN6 Flange to DIN PN6 | DIN PN10 Flange to DIN PN10 |
| Flange | Bolt Circle | Thickness | Weight | Flange | Bolt Circle | Thickness | Weight |
| | | MAX | ØD | ØK | n x M x L | Kg | ØD | ØK | n x M x L | Kg |
| 20 | 70 | 10 | 90 | 65 | 4xM10xl4 | 1.5 | 105 | 75 | 4xM12xl2 | 2.0 |
| 25 | 70 | 10 | 100 | 75 | 4xM10xl6 | 1.9 | 115 | 85 | 4xM12xl6 | 2.7 |
| 32 | 70 | 10 | 120 | 90 | 4xM12xl6 | 2.8 | 140 | 100 | 4xM12xl6 | 4.1 |
| 40 | 70 | 10 | 130 | 100 | 4xM12xl6 | 3.0 | 150 | 110 | 4xM12xl6 | 4.4 |
| 50 | 70 | 10 | 140 | 110 | 4xM12xl6 | 3.2 | 165 | 125 | 4xM12xl6 | 5.1 |
| 65 | 70 | 10 | 160 | 130 | 4xM12vxl6 | 4.0 | 185 | 145 | 4xM12xl6 | 6.2 |
| 80 | 70 | 10 | 190 | 150 | 4xM16xl8 | 6.5 | 200 | 160 | 8xM12xl8 | 7.5 |
| 100 | 70 | 10 | 210 | 170 | 4xM16xl8 | 6.9 | 220 | 180 | 8xM12xl8 | 8.1 |
| 125 | 70 | 10 | 240 | 200 | 8xM16xl8 | 8.5 | 250 | 210 | 8xM12xl8 | 9.4 |
| 150 | 70 | 10 | 265 | 225 | 8xM16xl8 | 9.4 | 285 | 240 | 8xM20xl8 | 12.4 |
| 200 | 90 | 10 | 320 | 280 | 8xM16x20 | 14.5 | 340 | 295 | 8xM20x20 | 18.8 |
FEATURES
Absorb Axial movements (extension and compression)
Axial movement is the change in dimensional length of the bellows from its free length in a
direction parallel to its longitudinal axis.
Absorb Lateral movements
Lateral movement is the relative displacement of one end of the bellows to the other end in a direction perpendicular to its longitudinal axis.
Absorb Angular and Torsional Movements
Angular movement is the rotational displacement of the longitudinal axis of the bellows toward a point of rotation. Torsion refers to twisting one
end of the bellows with respect to the other end, about the bellows centerline.
Reduce Vibration
Rubber expansion joints isolate or reduce vibration caused by equipment. The transmission
of vibration is reduced and they protect equipment from these adverse effects
Dampen Sound Transmission
Rubber expansion joints tend to dampen transmission of sound because of the steel rubber interface of joints and mating flanges.
Manual and Install Notes of the Rubber Joint
1, The installation of expansion joints shall be in accordance with the expansion of piping construction drawings and installation instructions requested
2, Install expansion joint of the pipeline must be approx. to increase fixed by the orientation
and expansion joints can be made to play a role, so orientation and fixation of the settings must be in strict accordance with the design departments of the technical information. For orientation, the principle of setting a fixed support, please see "Bellows Expansion joints Installation Guide."
3, With a bellows expansion joint is formed with a thin stainless steel plate, so lost in moving, hoisting and welding should be careful not to hit the period, scratch, arc,weld spatter and other reasons to bellows damage
4, Should be removed before installation and piping bellows foreign body to ensure normal movement bellows
5, On a flow of media requests for expansion joint should be required to install the flow arrows
6, In order to make bellows in good working condition,can not install expansion joints in the deformation, including axial, lateral, turn transfer pipe installation error
7, Expansion joints installed, running in the system before moving to remove all painted yellow lose a fixed screw
8, Fabric fiber expansion joint is not subject to the tensile displacement due to the installation to the proper conduct of the pre-compression, the pipeline can not deflection, displacement and axial extension, should be noted that flexible ring of protection against scratches, installed as soon as possible to dismantle support board, so that in normal working condition
Application:
Oil & gas, Desalination, Cooling systems, Pumps, Chemical plants, Heating, ventilating
and air conditioning, Shipbuilding, Off-shore applications, Water treatment plants
Sewage, Sanitary piping systems, Pulp and paper plants, Piping systems for chilled or hot water, Cooling systems power generation, Phosphate plants, Potable water, Food process
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Rubber Compact Joint With Tie Rods for Shock Absorber PN16 PN10 Images
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