Limited Flexible Rubber Joint

on

Reduced Rubber Joint Coupling is consist of fabric reinforced and metal flange loose joint.

It combines the mechanical extensibility of the metal expander and the multi-displacement function of the flexible rubber joint.



Limited flexible rubber joint
Limited flexible rubber joint
Limited flexible rubber joint


Limited flexible rubber joint
Features
Limited flexible rubber joint is mainly used for conveying liquid, gas, solid materials such as metal pipe flexible connection can compensate for displacement, vibration isolation noise, is a novel rubber damping products.
  • Minimal axial dimensions
  • Limited weight
  • Low warping forces
  • High-resistance to work
  • High-capacity acoustic damping

It combines the mechanical extensibility of the metal expander and the multi-displacement function of the flexible rubber joint. It is not only mechanically expandable for installation and dismantling but also compensates for changes in the temperature of the pipe during operation Linear expansion and contraction as well as compensate for the ground settlement caused by the pipeline center of gravity and other causes of angular deviation, but also to eliminate vibration and noise transmission, is a versatile pipe compensator.
Material of each parts
No. Part Meterial
1 Inner & Outer Rubber NR, NBR, EPDM
2 Key Frame Nylon cord fabric
3 Reinforcing Ring steel wire
4 Flange Q235
Technical parameters
Item/ Model I II III
Working pressure Mpa(kgf/cm²) 1.0(10) 1.6 (16) 2.5 (25)
Explosive pressure Mpa (kgf/cm²) 3.0(30) 4.8(48) 5.5(55)
Vacuum Kpa (mm/Hg) 53.3 (400) 86.7 (650) 100 (750)
Applicable temperature ℃ -15℃~+115℃ special up to -30℃~+250℃
Applicable medium water, sea water, hot water, oil, acid, alkali, and so on
Main data
Nominal Diameter(DN) Length L Outer diamere of flange Diameter of the centralring of the bolt Hole diameter quantitvd Axial displacement Horizontal Isplacement Angular deflection
mm inch mm mm mm
Extension Compression mm (a1+a2)
32 1¼ 95 140 100 18-4 6 9 9 15º
40 1½ 95 150 110 18-4 6 10 9 15º
50 2 105 165 125 18-4 7 10 10 15º
65 2½ 115 185 145 18-4 7 15 11 15º
80 3 135 200 160 18-8 8 19 12 15º
100 4 150 220 180 18-8 10 19 13 15º
125 5 165 250 210 18-8 12 20 13 15º
150 6 180 285 240 22-8 12 25 14 15º
200 8 210 340 295 22-8 16 25 22 15º
250 10 230 395 350 22-12 16 25 22 15º
300 12 245 445 400 22-12 16 25 22 15º
350 14 255 505 460 22-16 16 25 22 15º
400 16 255 565 515 26-16 16 25 22 15º
450 18 255 615 565 26-20 16 25 22 15º
500 20 255 670 620 26-20 16 25 22 15º
600 24 260 780 725 30-20 16 25 22 15º

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