PLIDCO CLAMP+SLEEVE Installation Instructions Manual Download | Manualshive

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IP-010

Page

13

of

13

Revision 3

PLIDCO Torque Chart for Clamp+Sleeve

Nominal

Diameter

of Stud

(inches)

(see Note 2)

Wrench

Opening

Across

Flats

(inches)

Torque Values for

Sealing Section

(Note 1)

Torque Values for

Clamping Section

(Note 1)

0.15 C

f

0.15 C

f

ft-lbs

Nm

ft-lbs

Nm

25,000 psi pre-stress

52,500 psi pre-stress

5/8

1-1/16

56

76

118

160

3/4

1-1/4

98

133

206

280

7/8

1-7/16

156

212

328

446

1

1-5/8

233

316

490

664

1-1/8

1-13/16

342

464

719

975

1-1/4

2

480

651

1000

1370

1-3/8

2-3/16

651

883

1400

1860

1-1/2

2-3/8

857

1160

1800

2440

1-5/8

2-9/16

1110

1490

2300

3120

1-3/4

2-3/4

1390

1890

2900

3970

1-7/8

2-15/16

1730

2350

3600

4930

2

3-1/8

2120

2870

4400

6030

2-1/4

3-1/2

3050

4140

6400

8700

2-1/2

3-7/8

4230

5740

8900

12000

23,000 psi pre-stress

47,500 psi pre-stress

2-3/4

4-1/4

5220

7080

10800

14600

3

4-5/8

6890

9340

14200

19300

3-1/4

5

8800

11900

18200

24600

3-1/2

5-3/8

11000

15000

22800

30900

3-3/4

5-3/4

13600

18500

28100

38200

4

6-1/8

16600

22500

34300

46500

18,800 psi pre-stress

37,500 psi pre-stress

4-1/4

6-1/2

16300

22100

32500

44100

4-1/2

6-7/8

19400

26300

38700

52500

4-3/4

7-1/4

22900

31000

45600

61900

5

7-5/8

26700

36300

53300

72300

5-1/4

8

31000

42100

61900

83900

5-1/2

8-3/8

35700

48400

71200

96600

5-3/4

8-3/4

40900

55400

81500

110600

6

9-1/8

46500

63000

92800

125800

Studs: ASTM A193 Grade B7 - Nuts: ASTM A194 Grade 2H

Note 1: The torque values listed are residual torque value. This is the torque value and residual stress

after bolt relaxation. The studs and nuts must be clean, free running, free of obvious flaws. The
values listed assume that the nuts are properly lubricated with a lubricant having an
approximate coefficient of friction (µ) 0.15 or k factor of 0.19 such as light weight machine oil. If
a lower coefficient of friction lubricant is used, such as graphite, please contact PLIDCO’s
Engineering department for appropriate torque values.

Note 2: The second number is the pitch, which is shown in number of threads per inch.
Note 3: Use the pre-stress value shown for the applicable stud size if bolt tensioners are to be used

and follow the bolt tensioner manufacturer’s instructions.

Note 4: This chart is also to be used for all PTFE (Teflon) coated studs.

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Summary of Contents for CLAMP+SLEEVE

Page 1: ...SH PLIDCO CLAMP SLEEVE INSTALLATION INSTRUCTIONS LANGUAGES CLICK ON LANGUAGE DESIRED PLIDCO The Pipe Line Development Company www plidco com 440 871 5700 pipeline plidco com 11792 Alameda Drive Strongsville OH 44149 ...

Page 2: ... standards If the PLIDCO Clamp Sleeve is to be installed underwater be sure to read the Underwater Installation section Whenever a PLIDCO product is modified in any form including adding a vent or changing seals by anyone other than the Engineering and Manufacturing Departments of The Pipe Line Development Company or a PLIDCO certified repacking company the product warranty is voided Products that...

Page 3: ...nel should not be allowed near the repair until the seal has been proven Pipe Preparation 1 Remove all coatings rust and scale from the pipe surface where the circumferential seals and clamping sections of the PLIDCO Clamp Sleeve will contact the pipe A near white finish as noted in SSPC SP10 NACE No 2 is preferred at location where the seals contact the pipe The cleaner the pipe surface the more ...

Page 4: ... provided both lifting eyes are required to lift the fitting Chains hooks shackles or straps suitable for the weight of the fitting s shall be used and must be securely inserted through the lifting eyes The lifting eyes are designed to support the weight of a fully assembled Clamp Sleeve The lifting eyes are installed on both halves of the fitting and should be used to maneuver or lower Clamp Slee...

Page 5: ...th a lubricant Table 1 lists the lubricants that are recommended for the various seals The customer must determine if the lubricant is compatible with the product in the pipeline Lubricant is not recommended for underwater installations or for braided packing Refer to the section on Underwater Installations Petroleum based lubricants A Silicone based lubricants B Glycerin based lubricants C Super ...

Page 6: ...s per side in the seal area insert the longer studs in the center holes For PLIDCO fittings with more than 3 holes per side in the seal area insert the longer studs in the four corner holes Sometimes it is helpful to loosely assemble the PLIDCO Clamp Sleeve to one side of the leak then reposition it centered over the leak 5 Torque all of the studs and nuts on the PLIDCO Clamp Sleeve uniformly usin...

Page 7: ... To complete assembly ALL studs should be rechecked at the recommended torque Torque all studs in a circular pattern at 100 torque all studs and nuts are unable to continue spinning Keep in mind an increase in torque on one stud can cause a decrease in torque on neighboring studs Note The torque values listed on the PLIDCO Torque Chart represent residual torque The initial torque value may need to...

Page 8: ...ch shackles to the lifting eyes Smaller fittings typically only have lifting eyes in the center of the shell as shown in Figure 8 Larger diameter fittings have additional lifting eyes on an angle as shown in Figure 9 For larger diameter fittings the angled lifting eyes are to be used during installation with hinges Figure 8 Figure 9 3 Attach properly sized rigging such as chains cables or straps t...

Page 9: ...0 Figure 11 Sealant Injection Sealant Injection is not required for a PLIDCO Clamp Sleeve to achieve a leak tight seal provided the sleeve was installed with elastomer seals was installed per this installation instructions and the temperature and pressure of the pipeline are within the design limitations of the PLIDCO Clamp Sleeve However PLIDCO Clamp Sleeves are capable of being injected with sea...

Page 10: ...ice welding must be considered when planning in service welding Refer to IP 019 Welding Considerations for additional information It is recommended that the pipeline should be full and under flow Welders and weld procedures should be qualified in accordance with API Standard 1104 Welding of Pipelines and Related Facilities Appendix B In Service Welding We strongly recommend the use of a low hydrog...

Page 11: ...eve is to be welded the welding be completed as soon as possible after the installation as conditions permit Welding at a significantly later date relies heavily on whether proper installation procedures were followed and the compatibility of the elastomeric gaskets with the product in the pipeline After the installation of the PLIDCO Clamp Sleeve there is no meaningful test that can be performed ...

Page 12: ...ommended Inspection Schedule 1 After the pipeline is re pressurized and field tested see Re pressuring and Field Testing for precautions the torque values should be checked again 4 hours after installation Then the torque values should be checked again 24 hours after that 2 It is recommended that if the product is not being welded that torque striping be applied from the nuts to the sidebar of the...

Page 13: ...t product is exceeded causing leakage or damage to the fitting The pipe on which the fitting is installed is damaged Personal injury or death due to subsequent removal of a vent plug RECOMMENDATIONS The Pipe Line Development Company strongly recommends the following for all underwater installations 1 Order or procure fittings with vents 2 Leave the vents open during installation Additionally the P...

Page 14: ... 37 500 psi pre stress 4 1 4 6 1 2 16300 22100 32500 44100 4 1 2 6 7 8 19400 26300 38700 52500 4 3 4 7 1 4 22900 31000 45600 61900 5 7 5 8 26700 36300 53300 72300 5 1 4 8 31000 42100 61900 83900 5 1 2 8 3 8 35700 48400 71200 96600 5 3 4 8 3 4 40900 55400 81500 110600 6 9 1 8 46500 63000 92800 125800 Studs ASTM A193 Grade B7 Nuts ASTM A194 Grade 2H Note 1 The torque values listed are residual torqu...

Page 15: ...SPANISH INSTRUCTIONS COMING SOON ...

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