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C-7

C-10

MODEL C-7 OUTLET COUPLING

The Model C-7 Outlet Coupling combines the features of a coupling and a reducing outlet. The C-7 is a joining device with an integral reducing outlet, eliminating the need for a mechanical tee or a reducing tee and couplings. The C-7 is available with grooved, male threaded or female threaded outlets. The C-7 coupling is recommended for fire sprinkler services and other applications up to 300 psi (20 Bar) depending on the size and schedule of pipe being used. The C-7 can be used for dry pipe systems or vacuum services up to -10 inHg or 254 mmHg which may occur when the system is drained. All Model C-7 couplings are comprised of an upper and lower ductile iron housings segment, EPDM rubber gasket and plated track bolts & nuts. Housings segments are supplied with our standard painted finishes, i.e. orange or RAL3000 red. Optional finishes such as hot dipped zinc galvanized and custom epoxy coatings are available.

C-7 couplings should always be installed so that the coupling bolt pads make metal to metal contact.

For Fire Protection pressure rating, listing, and approval information, refer to Data Sheet B-42 or visit SHURJOINT website, www.shurjoint.com for details or contact your SHURJOINT Representative.

Full warranty terms can be found on www.shurjoint.com

Model C-7 Outlet Coupling

 

Nominal Size

Max.

ASME/ANSI

 

Max.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Working

Axial

End

 

 

 

 

 

 

 

 

 

Outlet

Pressure Class

 

Dimensions

 

 

 

Run

 

Pressure

Displace-

Load

 

 

Bolt

 

 

 

Rating^

 

 

 

 

 

 

FPT

Gr / MPT

T**

A

 

B

C

 

Pipe

(CWP)*

@100oF/@38oC

ment

(CWP)

 

Size

Weight

in

in

in

PSI

PSI

in

Lbs

in

in

 

in

in

in

Lbs

mm

mm

mm

Bar

Nom. Class

mm

KN

mm

mm

 

mm

mm

mm

Kgs

 

½

---

500

300

0.81~0.88

 

2.06

---

 

4.50

2.75

 

2.6

15

---

35

150

20~22

1050

52

---

 

114.3

70.0

⅜ x 2⅛

1.2

¾

---

500

300

0.81~0.88

2.06

---

 

4.50

2.75

2.6

40

20

---

35

150

20~22

4.7

52

---

 

114.3

70.0

M10 x 55

1.2

 

1

---

500

300

0.81~0.88

 

1.94

---

 

4.50

2.75

 

2.9

 

25

---

35

150

20~22

 

49

---

 

114.3

70.0

 

1.3

 

½

---

500

300

0.81~0.88

 

2.32

---

 

5.00

2.75

 

3.1

2

15

---

35

150

20~22

2180

59

---

 

127.0

70.0

⅜ x 2⅛

1.4

¾

---

500

300

0.81~0.88

2.32

---

 

5.00

2.75

3.1

50

20

---

35

150

20~22

9.7

59

---

 

127.0

70.0

M10 x 55

1.4

 

1

1

500

300

0.81~0.88

 

2.20

3.50

 

5.00

2.75

 

3.3

 

25

33.4

35

150

20~22

 

56

89.0

 

127.0

70.0

 

1.5

 

½

---

500

300

1.25~1.50

 

2.20

---

 

6.33

3.25

 

4.8

 

15

---

35

150

32~38

 

56

---

 

161.0

83.0

 

2.2

 

¾

---

500

300

1.25~1.50

 

2.56

---

 

6.33

3.25

 

4.6

20

---

35

150

32~38

3200

65

---

 

161.0

83.0

½ x 2⅜

2.1

1

---

500

300

1.25~1.50

2.44

---

 

6.33

3.25

4.4

65

25

---

35

150

32~38

14.2

62

---

 

161.0

83.0

M12 x 60

2.0

 

500

300

1.25~1.50

 

2.36

3.70

 

6.33

3.25

 

5.1

 

32

42.2

35

150

32~38

 

60

94.0

 

161.0

83.0

 

2.3

 

---

500

300

1.25~1.50

 

---

3.70

 

6.33

3.25

 

5.9

 

---

48.3

35

150

32~38

 

---

94.0

 

161.0

83.0

 

2.4

 

¾

---

500

300

1.25~1.50

 

2.83

---

 

6.87

3.25

 

5.9

 

20

---

35

150

32~38

 

72

---

 

175.0

83.0

 

2.7

3

1

1

500

300

1.25~1.50

4750

2.75

4.00

 

6.87

3.25

½ x 3

6.2

25

33.4

35

150

32~38

70

102.0

 

175.0

83.0

2.8

80

500

300

1.25~1.50

21.0

2.75

4.00

 

6.87

3.25

M12 x 75

6.2

 

32

42.2

35

150

32~38

 

70

102.0

 

175.0

83.0

 

2.8

 

500

300

1.25~1.50

 

2.75

4.00

 

6.87

3.25

 

6.4

 

40

48.3

35

150

32~38

 

70

102.0

 

175.0

83.0

 

2.9

C-10-1/4

Rev.M

20130220

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C-7

 

 

 

 

 

 

C-10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Model C-7 Outlet Coupling

 

 

 

 

 

 

 

 

Nominal Size

Max.

 

ASME/ANSI

 

 

Max.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Working

 

Axial

End

 

 

 

 

 

 

 

 

 

 

 

Outlet

 

Pressure Class

 

 

Dimensions

 

 

 

 

Run

 

Pressure

 

Displace-

Load

 

 

 

 

Bolt

 

 

 

 

 

Rating^

 

 

 

 

 

 

 

 

 

FPT

Gr / MPT

 

 

T**

A

 

B

C

 

 

Pipe

(CWP)*

@100oF/@38oC

ment

(CWP)

 

Size

Weight

 

in

in

in

PSI

 

PSI

in

 

Lbs

 

in

 

in

 

in

in

in

Lbs

 

mm

mm

mm

Bar

 

Nom. Class

mm

 

KN

 

mm

 

mm

 

mm

mm

mm

Kgs

 

 

¾

---

500

 

300

1.63~1.81

 

 

 

3.70

 

---

 

8.31

3.66

 

9.2

 

 

20

---

35

 

150

41~46

 

 

 

94

 

---

 

211.0

93.0

 

4.2

 

4

1

1

500

 

300

1.63~1.81

 

7840

 

3.58

 

4.88

 

8.31

3.66

⅝ x 3½

9.5

 

25

33.4

35

 

150

41~46

 

 

91

 

124.0

 

211.0

93.0

4.3

 

100

500

 

300

1.63~1.81

 

34.9

 

3.31

 

4.88

 

8.31

3.66

M16 x 90

9.5

 

 

40

48.3

35

 

150

41~46

 

 

 

84

 

124.0

 

211.0

93.0

 

4.3

 

 

2

2

500

 

300

1.63~1.81

 

 

 

3.50

 

4.88

 

8.31

3.66

 

9.9

 

 

50

60.3

35

 

150

41~46

 

 

 

89

 

124.0

 

211.0

93.0

 

4.5

 

 

¾

---

400

 

300

1.63~1.81

 

 

 

4.76

 

---

 

10.86

3.70

 

13.2

 

 

20

---

28

 

150

41~46

 

 

 

121

 

---

 

276.0

94.0

 

6.0

 

 

1

---

400

 

300

1.63~1.81

 

 

 

4.76

 

---

 

10.86

3.70

⅝ x 3½

13.2

 

6

25

---

28

 

150

41~46

 

14000

 

121

 

---

 

276.0

94.0

6.0

 

400

 

300

1.63~1.81

 

 

4.76

 

6.06

 

10.86

3.70

M16 x 90

13.6

 

150

40

48.3

28

 

150

41~46

 

62.3

 

121

 

154.0

 

276.0

94.0

 

6.2

 

 

2

2

400

 

300

1.63~1.81

 

 

 

4.40

 

6.06

 

10.86

3.70

 

14.3

 

 

50

60.3

28

 

150

41~46

 

 

 

111

 

154.0

 

276.0

94.0

 

6.5

 

 

---

400

 

300

1.63~1.81

 

 

 

---

 

6.00

 

11.04

4.09

¾ x 4¾

18.7

 

 

---

76.1

28

 

150

41~46

 

 

 

---

 

152.5

 

280.5

104.0

M20 x 120

8.5

 

FPT: Female threaded outlet

Gr: Grooved

outlet

MPT: Male

threaded outlet.

 

 

 

 

 

 

 

 

 

 

 

**T: Center of run pipe to end of outlet pipe (dimensions approximate). Female threaded outlet only.

*Working pressure is based on roll grooved standard wall carbon steel pipe.

^The ASME/ANSI pressure class rating is not the design or maximum pressure rating, rather is provided for those that are accustomed to specifying or using ASME/ANSI

pressure class rated components such as flange, valves, etc.

Performance Data

The following tables show the maximum working pressures (CWP) of Shurjoint Model C-7 Outlet Coupling used on both carbon steel and stainless steel pipes. Shurjoint ductile iron couplings can be used in conjunction with stainless steel pipe in non-corrosive environment as the flow media does not come in direct contact with the coupling housings but rather only the gasket.

Unit: psi / Bar

Model C-7 on Carbon Steel Pipe

Nom. Size

Cut-Grooved

 

Roll-Grooved

in / mm

XS

STD

 

STD

Sch. 10

 

Sch. 7

1½ x *

500

500

500

350

300

40 x *

35

35

 

35

24

 

20

2 x *

500

500

500

350

300

50 x *

35

35

 

35

24

 

20

2½ x *

500

500

500

350

300

65 x *

35

35

 

35

24

 

20

2½ x *

500

500

500

350

300

65 x *

35

35

 

35

24

 

20

3 x *

500

500

500

350

300

80 x *

35

35

 

35

24

 

20

4 x *

500

500

500

350

300

100 x *

35

35

 

35

24

 

20

6 x *

400

400

400

350

300

150 x *

28

28

 

28

24

 

20

6 x *

400

400

400

350

300

150 x *

28

28

 

28

24

 

20

* = all branch sizes, threaded and grooved

Unit: psi / Bar

Model C-7 on Stainless Steel Pipe

Nom. Size

Cut-Grooved

Roll-Grooved

in / mm

Sch. 80S

Sch. 40S

Sch. 40S

Sch. 10S

Sch. 5S

1½ x *

500

500

350

300

250

40 x *

35

35

24

20

17

2 x *

500

500

350

300

250

50 x *

35

35

24

20

17

2½ x *

500

500

350

300

250

65 x *

35

35

24

20

17

2½ x *

500

500

350

300

250

65 x *

35

35

24

20

17

3 x *

500

500

350

300

250

80 x *

35

35

24

20

17

4 x *

500

500

350

300

250

100 x *

35

35

24

20

17

6 x *

400

400

300

300

250

150 x *

28

28

20

20

17

6 x *

400

400

300

300

250

150 x *

28

28

20

20

17

* = all branch sizes, threaded and grooved

C-10-2/4 Rev.M 20130220

C-7

C-10

MATERIAL SPECIFICATIONS

Housing:

Ductile Iron to ASTM A536, Gr. 65-45-12 and or ASTM A395, Gr. 65-45-15, min. tensile strength 65,000 psi (448 MPa).

• Surface Finish:

Standard painted finishes in orange or RAL3000 red.

Hot dip zinc galvanized (Option).

Epoxy Coatings in RAL3000 red or other colors (Option)

Rubber Gasket:

Grade “E” EPDM (Color code: Green stripe) Good for cold & hot water up to +230oF (+110oC). Also good for services for water with acid, water with chlorine, deionized water, seawater and waste water, dilute acids, oil-free air and many chemicals.

Not recommended for petroleum oils, minerals oils, solvents and aromatic hydrocarbons.

Maximum Temperature Range: -30oF (-34oC) to +230oF (+110oC)*.

*EPDM gaskets for water services are not recommended for steam services unless couplings or components are accessible for frequent gasket replacement.

(Option) Grade “T” Nitrile (Color code: Orange stripe) Recommended for petroleum products, air with oil vapors, vegetable and mineral oils within the specified temperature range. Also good for water services under +150oF (+66oC). Temperature range: -20 oF to +180 oF (-29 oC to +82 oC).

Do not use for HOT WATER above +150 oF (+66 oC) or HOT DRY AIR above +140 oF (+60 oC).

Other options: Grade “O” - Fluoroelastomer.

Grade “L” - Silicone.

For additional details contact Shurjoint.

• Bolts & Nuts:

Heat treated carbon manganese steel track bolts to ASTM A449-83a (or A183 Gr. 2), minimum tensile strength 110,000 psi (758 MPa), Zinc electroplated, with heavy-duty hexagonal nuts to ASTM A563.

Flow Data – Cv Values

Values for flow of water at +60oF (+16oC).

C =

√∆

Where: Cv = Flow coefficient Q = Flow (GPM)

ΔP= Pressure drop (psi)

Flow Characteristics

C-10-3/4 Rev.M 20130220

 

 

 

 

Grooved Outlet

 

 

Threaded Outlet

 

 

Nominal Size

 

 

Cv Values

 

 

Cv Values

 

 

in / mm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

½

 

---

 

---

 

15

 

 

 

 

 

 

 

 

 

 

¾

 

---

 

15

 

20

 

 

 

 

 

 

 

 

 

 

1

 

25

 

25

 

25

 

 

 

 

 

 

 

 

 

 

 

42

 

40

 

32

 

 

 

 

 

 

 

 

 

 

 

53

 

60

 

40

 

 

 

 

 

 

 

 

 

 

2

 

88

 

---

 

50

 

 

 

 

 

 

 

 

 

 

 

125

 

---

 

65

 

 

 

 

 

 

 

 

 

 

 

 

Grooved Outlet

Threaded Outlet

Nominal Size

 

Equivalent Length

 

Equivalent Length

 

in / mm

 

feet / m

 

feet / m

 

½

 

---

 

2.6

 

15

 

 

0.8

 

 

 

 

 

¾

 

---

 

3.9

 

20

 

 

1.2

 

 

 

 

 

1

 

3.0

 

3.0

 

25

 

0.9

 

0.9

 

 

6.2

 

6.2

 

32

 

1.9

 

1.9

 

 

5.6

 

5.6

 

40

 

1.7

 

1.7

 

2

 

7.9

 

---

 

50

 

2.4

 

 

 

 

 

 

 

8.9

 

---

 

65

 

2.7

 

 

 

 

 

 

C-7

C-10

General Notes:

ASME/ANSI Pressure-Temperature Rating is provided as an aid in selecting a proper coupling to incorporate with other piping components (valves, flanges, and etc.) that are used in the same system and carry the ASME/ANSI rating. Select a Class 150 coupling to incorporate with Class 150 valves and flanges.

Maximum Working Pressure (CWP) listed is the maximum cold water pressure for general piping services tested to ASTM F1476 and or AWWA C606 methods. Figures listed are based on roll- or cut-grooved standard wall carbon steel pipe. For other pipe schedules or pipe materials, contact Shurjoint for additional information.

Max. End Load is calculated based on the maximum working pressure (CWP).

Listed and or Approved Pressures are pressure ratings for fire protection systems, tested and approved by various approval bodies. Please always refer to the latest approval data posted on the Shurjoint website.

Field Joint Test: For one time only the system may be tested hydrostatically at 1½ times the maximum working pressure listed (AWWA C606 5.2.3).

Warning: Piping systems must always be depressurized and drained before attempting disassembly and or removal of any components.

The 10 Year Limited Warranty applies to manufacturing defects only and does not cover severe service/temperature applications or wear parts.

Shurjoint reserves the right to change specifications, designs and or standard without notice and without incurring any obligations.

Job Name:

System No.

 

Location:

Contractor:

 

Approved:

Date:

Engineer:

 

Approved:

Date:

Shurjoint product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Shurjoint Technical Service. Shurjoint reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligations to make such changes and modifications on Shurjoint products previously subsequently sold.

C-10-4/4 Rev.M 20130220

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