Pneumatic Tyre Union Mud Tank 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"-20"
• 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-O-Grip Unions / Pneumatic Tyre Union
BETTER 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. Size from 4"to 26" available, and air tube can be customized up to 46".
Features

• Fast, easy make-up without close alignment
• Carbon steel body welds in place on mud tanks, with NBR air tube for sealing even if the pipe is not perfectly aligned
• Allows pipe expansion or misalignment up to 14°
• No nuts, bolts, or wrenches required
• KEMPER Seal-O-Grip Union style
• Grey or Red Nut & Sub, customized color & logo available

Technical Parameter

• Working medium: Oil based mud, water based mud, or other drilling fluid
• Medium temperature:-45ºC~55ºC
• Reconversion time when deflated: 1-3 seconds
• Line pressure up to 150psi and tube pressure is Max. 50psi above than line pressure
• Structure: Casting Steel Shell and Air Inflatable Tube (NBR)

Specification
 

Line Pipe Size	Line Pipe O.D.	Max. Misalignment Tolerance	Dimensions in mm
			A	B	C	D	E	F	G
4-inch	4 ½" (114.3mm)	7°	4 19/32	4 19/32	5 1/6	5 3/4	6 5/8	3	2
6-inch	6 5/8" (168.3mm)	14°	6 3/4	6 15/16	8	8 5/8	10 1/4	4	2
8-inch	8 5/8" (219.1mm)	14°	8 3/4	8 15/16	10 1/8	10 3/4	12 1/4	4	2
10-inch	10 3/4" (273.1mm)	14°	10 15/16	11 1/8	12 1/8	12 3/4	14 1/2	4 1/4	2
12-inch	12 3/4" (323.9mm)	14°	12 15/16	13 1/8	13 3/8	14 1/4	16 1/2	4 1/4	2
14-inch	14" (355.6mm)	14°	14 1/8	14 1/4	14 1/4	16 1/4	18 1/4	4 1/2	2
16-inch	16" (406.4mm)	14°	16 1/8	16 1/4	16 1/4	18 1/4	20 1/4	5 1/8	2
18-inch	18" (457.2mm)	14°	18 1/8	18.8	18.8	20"	22"	5 1/8	2
20-inch	20" (508.0mm)	14°	20 1/8	20.8	20.8	22"	24"	5 1/8	2
22-inch	22" (558.8mm)	14°	22 1/8	22.8	22.8	24"	26"	5 1/8	2
26-inch	26" (660.4mm)	14°	26 1/8	26.25	26.5	28.25"	31"	5 1/8	2