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XDD type pipe hanger
The XDD type pipe hanger is a pipe shock absorbing hanger shock absorber in which rubber and iron frames are bolted together. On the one hand, it can fix the pipe and has good isolation on the vibration and noise generated when the medium flows in the pipe. Shock isolation effect.
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Product Description
The XDD type pipe hanger is a pipe shock absorbing hanger shock absorber in which rubber and iron frames are bolted together. On the one hand, it can fix the pipe and has good isolation on the vibration and noise generated when the medium flows in the pipe. Shock isolation effect.
Scope of application: Suitable for various round pipes.
| Model |
Box outer width-W (MM) |
Length inside the box-L (MM) |
ox height-H (MM) |
Rubber pillar (MM) |
Bottom width-W (MM) |
Overall height-H (MM) |
upper mounting holes |
| DN50 | 40 | 62 | 85 | 50*30 | 83 | 208 | M12 |
| DN65 | 40 | 63 | 84 | 50*30 | 105 | 223 | M12 |
| DN80 | 40 | 75 | 100 | 50*40 | 110 | 270 | M12 |
| DN100 | 40 | 81 | 109 | 60*60 | 190 | 309 | M12 |
| DN125 | 40 | 79 | 108 | 60*60 | 155 | 324 | M12 |
| DN150 | 40 | 80 | 108 | 60*60 | 175 | 360 | M12 |
| DN200 | 40 | 80 | 108 | 70*60 | 230 | 480 | M12 |
| Note: Dimensions are measured manually and there may be errors. The actual size shall prevail. | |||||||
Selection principles
1. There is a certain damping efficiency T>80, that is, the frequency ratio f/f>2.5
2. In order to ensure the shock-absorbing effect and prevent failure, the external interfaces of the shock-absorbing equipment, such as pipelines and cables, must be flexibly connected, and their stiffness should be much smaller than the total stiffness of the system shock absorber.
3. Determine the total mass W (N) of the shock-absorbing system, including the mass of the equipment and base.
Total mass N=Q(static)+1.5R(dynamic);
Q=Q1(equipment quality)+Q2(base quality);
When the general vibration requirements are not strict and it is difficult to obtain the equipment interference force, the equipment quality can be approximated;
Q1 is multiplied by the dynamic load coefficient P to replace the equipment mass and disturbance force;
G=Q1+1.5R=Q1*P;
Therefore, the total mass W=G+Q2=Q1*P+Q2;
P dynamic load coefficient can be determined according to the size of equipment Q1 and the size of disturbance frequency F;
When Q1 is large F, the P value can be larger. When Q1 is small F, the P value can be larger. Generally, P ≈ 1.1~1.4;
Determine the interference frequency F=n/Q(Hz) (n equipment rotates per minute);
Trial the number S of shock absorbers;
Calculate the load of each shock absorber P=W/S(N);
Compare the shock absorber parameter table to select the appropriate shock absorber;
When you need to calculate the radial stiffness, you can check the technical parameter table.
4. The vibration force (amplitude, speed, acceleration) of the shock-absorbing system is less than the allowable value. Generally, the vibration speed Vmax is <10mm/s, but different equipment has different evaluation values.
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