pipe couplings

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to the root of the threads. 3) Joint Makeup. • For sizes up to and including 2" pipe, wrench tight makeup is considered three full turns past handtight. Handtight engagement for 1⁄2" through 2" thread varies from 41⁄2 turns to 5 turns. • For 2 1⁄2" through 4" sizes, wrench tight makeup is considered two full turns past handtight.

PIPE COUPLINGS Steel Pipe Couplings - Merchant Couplings 346 q FIGURE Standard, q Right & q Left

Outside Diameter (Coupling)

Size

Length

Unit Weight

NPS

DN

in

mm

in

mm

lbs

kg

12



15

1.063

27

19⁄16

40

0.17

0.08

34



20

1.313

33

15⁄8

41

0.28

0.13

1

25

1.576

40

2

51

0.43

0.20

11⁄4

32

1.900

48

21⁄16

52

0.54

0.24

11⁄2

40

2.200

56

21⁄16

52

0.73

0.33

2

50

2.750

70

21⁄8

54

1.11

0.50

Note • The left hand threaded end of all right and left couplings is knurled for identification. All sizes of right and left couplings are taper tapped 3⁄4" per foot (62.5mm per meter) on the diameter and all are dipped in rust preventative.

347 q FIGURE Extra Strong (XS), q Right & q Left

Outside Diameter (Coupling)

Size

Length

Unit Weight

NPS

DN

in

mm

in

mm

lbs

kg

12



15

1.063

27

18

2⁄

54

0.25

0.11

34



20

1.313

33

21⁄8

54

0.36

0.16

1

25

1.576

40

25⁄8

67

0.74

0.34

11⁄4

32

2.054

52

23⁄4

70

1.08

0.49

11⁄2

40

2.200

56

23⁄4

70

0.95

0.43

2

50

2.875

73

27⁄8

73

2.01

0.91

• The left hand threaded end of all right and left couplings is knurled for identification, and all are dipped in rust preventative. • Extra strong right and left couplings are available on request.

PROJECT INFORMATION

APPROVAL STAMP

Contractor:

q Approved q Approved as noted q Not approved

Engineer:

Remarks:

Project: Address:

Submittal Date: Notes 1: Notes 2: PF-11.16

PIPE NIPPLES General Assembly of Threaded Fittings 1) Inspect both male and female components prior to assembly. • Threads should be free from mechanical damage, dirt, chips and excess cutting oil. • Clean or replace components as necessary. 2) Application of thread sealant • Use a thread sealant that is fast drying, sets-up to a semi hard condition and is vibration resistant. Alternately, an anaerobic sealant may be utilized. • Thoroughly mix the thread sealant prior to application. • Apply a thick even coat to the male threads only. Best application is achieved with a brush stiff enough to force sealant down to the root of the threads. 3) Joint Makeup • For sizes up to and including 2" pipe, wrench tight makeup is considered three full turns past handtight. Handtight engagement for 1⁄2" through 2" thread varies from 41⁄2 turns to 5 turns. • For 2 1⁄2" through 4" sizes, wrench tight makeup is considered two full turns past handtight. Handtight engagement for 2 1⁄2" through 4" thread varies from 51⁄2 turns to 63⁄4 turns.

PF-11.13

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