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Gland Limited Expansion Joint

Description of Gland Limited Expansion Joint

After the gland limit expansion joints installed in the pipe, tighten the nut seals, rely on each slope under the action of the gland nut, press tightly, playing the sealing and connecting role. When the temperature changes, the pipes can move freely inside the joint. And pipes can be skewed in case of base sink to ensure that no leakage sealing, which serve the purpose of automatic compensation.

Connection: Welding,
Working pressure: 0.6-1.6MPA,
Nominal: 65-4000mm,
Use medium: water, sewage.
Operating temperature: room temperature,
Sealing material: NBR,
Manufacturing standards: GB / T12465-2002

Installation

Weld both sides of the gland limit expansion joint with pipes. Loosen the gland nut during installation, adjust the length of short pipes and weld with the pipes, finally tighten the nuts evenly with diagonal method, adjust the anti-pull-off nut.


Specifications of Yinlong Metal Expansion Joints

BF (VSSJA-1) type single flange limit expansion joints, B2F (VSSJA-2) Double flange limit expansion joints, BY (SSJB-3) type of gland-type limited telescopic joint, AY (SSJB) gland type expansion joints, flange limit expansion joints, flange loose set of expansion joints.

Technical Parameters
No. Name Quantity Material
1 Gland 2 QT400-15, Q235A
ZG230-450 , 20
2 Sleeve 1 Q235A, 20, 16Mn
3 Gasket 2 NBR
4 Limited short pipe 2 Q235A,20,16Mn
5 Nut 7n Q235A,35,
1Cr18Ni9Ti
6 Long bolt n Q235A,35,
1Cr18Ni9Ti
7 Bolt
 
n Q235A,35,
1Cr18Ni9Ti

Nominal diameter mm External diameter External dimension Compensation n-Th.
 
Dw Do D L L1 0.6-1.6Mpa 2.5Mpa
65 76 76 155 645 180 90 2-M12 2-M12
80 89 89 165
100 108 108 195 2-M16
114 114 195
125
 
133 133 225
140 140 225
150 159 159 255 2-M16 3-M16
168 168 255
200 219 219 310
250 273 273 375 3-M20 4-M20
300 325 325 440 655 220 110 5-M20
350 377 377 490 4-M20
400 426 426 540
450 480 480 590 5-M20 6-M20
500 530 530 645
600 630 630 750
700 720 720 850 6-M20 7-M20

 
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