Mud line air union assembly

Air inflatable, tight seal connections to mud tanks or between mud tanks.

Speedy, non-leak connect and disconnect for mud suction, return lines and low pressure fluid lines. A tight seal is maintained even if the pipe is mis-aligned within

certain limits.

Mild steel construction for easy-weld.


Available in 6″, 8″, 10″, 12″, 16″, 20″, 22″, and 30″ sizes.

Ask us about dual-welded unions as well.

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Category:
Line Pipe Size Line Pipe O.D. Max. Misalignment Tolerance Approx. Weight lbs. A B C D E F G
6-inch 6 5/8″ (168.3mm) 12.5 6 3/4 6 15/16 8  1/16 8 5/8 10 4 2
8-inch 8 5/8″ (219.1mm) 14° 16.5 8 5/8 8  3/4 11 10 3/4 11 7/8 4 2
10-inch 10 3/4″ (273.1mm) 14° 21 10 15/16 11 1/8 12 1/8 12 7/8 14 1/2 4 1/4 2
12-inch 12 3/4″ (323.9mm) 14° 24 12 15/16 13  3/16 13 3/8 14 1/4 16 1/2 4 1/4 2
16-inch 16″ (406.4mm) 14° 32 16 1/4 16  5/16 17  7/16 18 1/4 19 5/8 4 1/2 2
20-inch 20″ (508.0mm) 14° 39.5 20  1/8 20 3/4 22 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
30-inch 30″ (762mm) 14° 29 11/16 29 15/16 30 15/16 31 11/16 33 1/2 4 1/4 2