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