M-B MSV - Page 114

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Table 3: For SAE O-Ring Boss (Steel) & Gates Adapterless

Size

Ft-Lbs.

Working Pressures

4,000 psi (27.5 Mpa)

and below

Newton-Meters

Working Pressures

4,000 psi (27.5 Mpa)

and below

Ft-Lbs.

Working Pressures

Above 4,000 psi (27.5

Mpa)

Newton-Meters

Working Pressures

Above 4,000 psi (27.5

Mpa)

Dash

Fractional

(In.)

Min. Max. Min. Max. Min. Max. Min. Max.

-3 3/16 ––––8101113

-4 1/41416202214162

022

-5 5/16

––––18 20 24 27

-6 3/82426333524263

335

-8 1/23744506050606

878

-105/8 5060688172809

8110

-12 3/4 75 83 101-1/2 113 125 135 170 183

-14 7/8

––––160 180 215 245

-16 1 111 125 150 170 200 220 270 300

-20 1-1/4 133 152 180 206 210 280 285 380

-24 1-1/2 156 184 212 250 270 360 370 490

Table 4: Maximum Recommended Torque for dry NPTF (Tapered) Pipe Threads*

sreteM-notweN.sbL-tFeziS

52022-

53524-

54536-

06548-

575521-

095661-

0110802-

0315942-

06102123-

*NOTES:

1. The torque values obtained from tightening pipe threads can vary considerably

depending on thread condition. Adequate sealing can occur at values much lower than

the maximum values listed above. Only enough torque to achieve adequate sealing

should be used.

2. When using a male tapered pipe thread with a female straight or parallel pipe thread,

maximum values are 50% of those listed in the table.

3. If threaded sealant is used, maximum values shown should be decreased by 25%

M-B Multi-Service Vehicle • 103 • Service