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Large Pull Rod Lateral Type Pipeline compensator

This type of expansion joints are composed by components such as two bellows, the long middle adaptor tube and the large pull rod, which can absorb the lateral displacement in any plane of the tube system. During displacement, the spherical surface nut can rotate around the spherical surface washer on the large pull rod, while the large pull rod shall have the capacity to bear the internal pressure pushes.

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Description

Large Pull Rod Lateral Type (DLH Type）

1- Nozzle

2-Bellow

3-Tie Rod

4- Middle Nozzle

5-Reinforcing Rings

6-Spherical Washer

Technical Parameter Table

 Nominal Diameter DN mm number of bellows n  Effective Area cm2 Y – Lateral Compensation Value (mm),Ky – Lateral Rigidity (N/mm)  Radial Shape Maximum Size

 
 Total Product Length L mm
1500 2000 2500 3000 3500
Yo Kyo Yo Kyo Y。 Kyo Yo Kyo Yo Kyo
The design pressure Pd =1.6 MPa( 1.6kgf/cm2)，the fatigue lie |N]=1000 times and the design temperature t=20℃

 
400 8(4+4) 1626 50 258 86 103 121 55 156 34     700×760
450 2011 46 359 77 144 108 77 139 48 700×750
500 2437 42 482 69 193 97 103 125 64 810×890
600 3484 41 709 80 236 120 116 160 69 201 45 900×900
700 4754 40 884 77 295 116 145 155 86 194 57 970
800 6055 35 1240 68 413 101 203 135 120 169 79 1070
900 7512 31 1685 60 562 90 276 120 164 150 108 1170
1000 9315 30 2676 57 892 86 439 115 260 144 172 1300
The design pressure Pd =2.5 MPa(2.5 kgf/cm2)，the fatigue lie |N]=1000 times and the design temperature t=20℃

 
200 8(4+4) 535 94- 56 147 25 201 14         500 x 560
250 779 76 102 110 45 161 25 204 16     540×600
300 1075 76 130 121 56 166 31 211 20     570×630
350 1269 62 209 1033 84 144 45 186 28     670 x 730
400 1626 53 304 89 122 125 65 161 40     700 x 760
450 2011 47 421 78 169 109 90 141 56     770 x 750
500 2428 43 566 71 227 99 121 128 75     610×890
600 3477 35 1243 68 414 102 204 136 121 171 180 900×980

Our company can produce the expansion join with larger (or smaller) specifications except the type in this table. Technical parameters car be adjusted and designed according to customer requirements.

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