China Made Air O Grip Union

• Manufacturing Process: Casting
• Surface Treatment: Sand Blast
• Operation Pressure: Atmospheric Pressure
• Material: Cast Steel
• Working Pressure: 150psi
• Painting Color: Red, Gray
• Model NO.: 4"-30"
• Standard: API 6A
• Logo: Customized Acceptable
• Transport Package: Plywood Case
• Specification: 4"-30"
• Trademark: BETTER
• Origin: China
• HS Code: 8431431000
• Production Capacity: 5000PCS Per Year

Product Description

 

Air Grip Unions

BETTER supplies series of unions, including mud tank unions, hammer unions, air grip unions & tyres, with reliable quality at a competitive price. All unions supplied by BETTER are manufactured according to API Spec 6A, equivalent to FMC WECO design. We can help you source top quality to guarantee the safety working.
Air grip unions are widely used in the pipelines with 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.

Features
• Fast, easy make-up without close alignment
• Air inflates tube to seal around pipe
• Allows pipe expansion or misalignment w/o breaking the seal
• No nuts, bolts, or wrenches required
• Available in 4-, 6-, 8-, 10-, 12-, 14-,and 16-inch sizes

Technical parameter:
1.  Working medium: mud, oil, water
2.  Medium temperature:-45ºC~50ºC
3.  Reconversion time when deflated: 1-3 seconds.
4.  Line presssure: 0.4Mpa
5. Structure: Steel shell and air bag
6. Material: shell for 20# casting steel, Tyre for rubber.

Specification:

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
Total Misalignment Degree	6	14	14	14	14	14	14
Wt.(kgs)-Air bag	0.3	0.65	0.8	1.0	1.2	1.5	1.7
Wt.(kgs)-Assembly	3.3	8	10	11.8	13.6	16	17.6