Perkins 2800 - 45 Degree Flared and 45 Degree Inverted Flare Fittings; Tapered Pipe Thread Fittings

2
24 Workshop Manual, TSD3450E, Issue 1
2800
45 degree flared and 45 degree inverted flare fittings
Tapered pipe thread fittings
Note: For the table above, use 50 percent of the torque figure when the fitting, the plug or the port material is
nonferrous.
45 degree flared and 45 degree inverted flare fittings
Outside diameter of nominal tube
Thread size
Inches
Standard
torque
3,18 mm
(0.125 in)
5/16
5,0 +/- 1,5 Nm
(4 +/- 1 lbf ft)
4,76 mm
(0.188 in)
3/8
8 +/- 1,5 Nm
(6 +/- 1 lbf ft)
6,35 mm
(0.250 in)
7/16
11 +/- 2 Nm
(8 +/- 1 lbf ft)
7,94 mm
(0.312 in)
1/2
17 +/- 3 Nm
(13 +/- 2 lbf ft)
9,52 mm
(0.375 in)
5/8
30 +/- 3 Nm
(22 +/- 2 lbf ft)
11,11 mm
(0.438 in)
11/16
30 +/- 3 Nm
(22 +/- 2 lbf ft)
12,70 mm
(0.500 in)
3/4
38 +/- 4 Nm
(28 +/- 3 lbf ft)
15,88 mm
(0.625 in)
7/8
50 +/- 5 Nm
(37 +/- 4 lbf ft)
19,05 mm
(0.750 in)
1 1/16
90 +/- 8 Nm
(65 +/- 6 lbf ft)
22,22 mm
(0.875 in)
1 1/4
100 +/- 10 Nm
(75 +/- 7 lbf ft)
Tapered pipe thread fittings
Thread size
Inches
Standard torque
Threads with pipe sealant
(CV60891)
Threads without pipe sealant
1/16 - 27 10 Nm (7 lbf ft) 10 Nm (7 lbf ft)
1/8 - 27 16 Nm (12 lbf ft) 16 Nm (12 lbf ft)
1/4 - 18 20 Nm (15 lbf ft) 25 Nm (18 lbf ft)
3/8 - 18 35 Nm (26 lbf ft) 45 Nm (33 lbf ft)
1/2 - 14 45 Nm (33 lbf ft) 60 Nm (44 lbf ft)
3/4 - 14 60 Nm (44 lbf ft) 75 Nm (55 lbf ft)
1 - 11 1/2 75 Nm (55 lbf ft) 90 Nm (65 lbf ft)
1 1/4 - 11 1/2 90 Nm (65 lbf ft) 110 Nm (80 lbf ft)
1 1/2 - 11 1/2 110 Nm (80 lbf ft) 130 Nm (95 lbf ft)
2 - 11 1/2 130 Nm (95 lbf ft) 160 Nm (120 lbf ft)