
14 1/2" Closed Mouth Trailer-Mounted Bucking Unit
Section Contents
3.12
Technical Manual
BEST BY FARR
TM
Setup & Operation
D. TONG JAW AVAILABILITY & INSTALLATION
1. AVAILABLE JAWS
The following table lists all jaw die kits that are available as standard sizes for this model of tong. If
your desired size is not listed, Farr can engineer custom jaw sizes - contact the sales department for
further information.
Referring to the following table when choosing the required jaw for your application:
PIPE RANGE PIPE RANGE PIPE RANGE
RINGS
REQUIRED
NUMBER OF
JAWS
USE DIE SIZE 5
TO 4
USE DIE SIZE
4-1/2 TO 3-1/2
USE DIE SIZE
3-1/2 TO 2-7/8
MASTER RING
BLUE PLATES
Standard Jaw
12
OD
13-5/8 to 14-5/8
OD
13-1/8 to 14-1/8
OD
12-1/2 to 13-1/8
Long Jaw
6
OD
12 to 12-1/2
OD
11-5/8 to 12-1/8
OD
11 to 11-1/2
RING A
RED PLATES
Standard Jaw
10
OD
11-1/2 to 12-1/2
OD
11 to 12
OD
10-3/8 to 11
Long Jaw
5
OD
10-1/4 to 11-1/2
OD
9-3/8 to 10
OD
8-7/8 to 9-1/2
RING B
YELLOW PLATES
Standard Jaw
8
OD
9-3/8 to 10-3/8
OD
8-7/8 to 9-7/8
OD
8-1/4 to 8-7/8
Long Jaw
4
OD
7-3/8 to 8-1/8
OD
7-1/8 to 8
OD
6-1/2 to 7-3/8
RING C
GREEN PLATES
Standard Jaw
7
OD
7-3/8 to 8-3/8
OD
6-7/8 to 7-7/8
OD
6-1/4 to 6-7/8
Long Jaw
7
OD
5-3/8 to 6-1/4
OD
5 to 5-7/8
OD
5-3/8 to 4-5/8
EACH PIPE SIZE REQUIRES A RING AND 5 PLATES FOR THE TONG AND 4
PLATES FOR THE BACKUP, EXCEPT FOR THE 13-5/8 AND ABOVE, WHICH
USES THE MASTER RING IN THE TONG AND BACKUP WITH APPLICABLE DIES
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