Air Grip Union

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Description

Air Grip Union

 

Air Grip union is widely applied in drilling fluid pipelines, with features of low-pressure, large pipe size, big pipe misalignment, frequent installation and uninstall. Especially, in connecting mud tanks, mud suction and return lines in solid control system.

150 psi maximum line pressure, 4, 6, 8, 10, 12, 14and 16-inch sizes

Recommended service:

Mud suction and return lines and low-pressure fluid lines

Features:

1. Shot of rig air inflates tube to seal around pipe

2. Fast, easy make-up without close alignment

3.Allows pipe expansion or misalignment without breaking the seal

4. No nuts, bolts, or wrenches required

In the Air Grip unions(Air-O-unions) we have patents:

1. Medium available: mud, oil, water

2. Medium temperature: -45°C ~50°C

3. Reconversion time when deflated: 1-3 seconds.

4. Medium presssure: 0.4Mpa

5. Structure: steel shell and air bag

6. Material: shell for 20# casting steel, tyre for rubber.

Normal Pipe
Size(mm)
4″
(100)
6″
(150)
8″
(200)
10″
(250)
12″
(300)
14″
(350)
16″
(400)
Tube I.D.(mm)A 114 171 222 278 329 384 413
Body I.D.(mm)B 117 176 227 283 333 388 416
Butt-weld I.D.(mm)C 129 203 257 308 340 409 441
Butt-weld I.D.(mm)D 141 219 273 324 356 425 547
Body O.D.(mm)E 168 260 311 368 419 476 503
Height(mm)F 80 102 102 108 108 108 108
Wt.(kgs)-Air bag 0.3 0.65 0.8 1.0 1.2 1.5 1.7
Wt.(kgs)-Assembly 5.5 8.2 9.2 12 13.5 15 20

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