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XH-70EP

C-09

MODEL XH-70EP EXTRA HEAVY RIGID COUPLING

With End Protection (EP) Gasket

The Shurjoint Model XH-70EP coupling is an extra heavy rigid coupling for use with plastic coated pipe, cement-lined pipe or Sch. 40S or 80S stainless steel pipe. The coupling is capable of holding high pressure up to 2,500 psi (175 Bar) depending on pipe size when used in conjunction with machined EP cut-grooves and the applicable pipe. The coupling housings are painted black and supplied with an EP (End-Protection) gasket, which will permit a continuous connection of lined-surface of the pipe and also protect the pipe ends from corrosion. The standard EP gaskets are made of oil-resistant Nitrile compound.

XH-70EP couplings are not allowed to install on standard or commercial roll- or cut- grooved pipes. Pipe ends shall always be prepared with the EP Cut-Grooves which is shown in page 2.

Always use the XH-70EP coupling with an EP (End-Protection) gasket. Do not use a C-shaped standard gasket with a XH-70EP coupling.

Always fasten the bolts to the required torque.

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

Model XH-70EP Extra Heavy Rigid Coupling with EP Gasket

 

 

Max.

ASME/ANSI

Max.

 

 

 

 

 

 

 

 

 

 

Working

Pressure Class

End

 

Dimensions

 

 

Bolt

 

 

 

Nominal

Pipe

Pressure

Rating^

Load

 

 

 

 

 

Bolt

 

 

A

B

C

No.

Size

Weight

 

Size

OD

(CWP)*

@100oF/@38oC

(CWP)

Torque

 

in

in

PSI

PSI

Lbs

in

in

in

 

in

Lbs - Ft

Lbs

 

mm

mm

Bar

Nom. Class

kN

mm

mm

mm

 

 

N-m

Kgs

 

2

2.375

2500

2500

11070

3.54

5.90

1.92

2

⅝ x 2¾

60 - 90

3.3

 

50

60.3

175

CWP

50.0

90

150

49

80 - 120

1.5

 

 

 

 

2.875

2500

2500

16220

4.06

6.61

1.92

2

⅝ x 2¾

60 - 90

4.0

 

65

73.0

175

CWP

73.2

103

168

49

80 - 120

1.8

 

 

 

 

3

3.500

2500

2500

24040

4.80

7.40

2.00

2

⅝ x 2¾

60 - 90

4.8

 

80

88.9

175

CWP

108.6

122

188

51

80 - 120

2.2

 

 

 

 

4

4.500

2500

2500

39740

6.18

8.74

2.17

2

¾ x 4¾

74 - 170

8.8

 

100

114.3

175

CWP

179.5

157

222

55

100 - 235

4.0

 

 

 

 

6

6.625

2000

2000

68910

8.58

11.61

2.25

2

⅞ x 5½

125 - 200

17.6

 

150

168.3

140

CWP

311.3

218

295

57

170 - 275

8.0

 

 

 

 

8

8.625

2000

2000

116790

10.83

14.33

2.75

2

1 x 5½

200 - 300

24.0

 

200

219.1

140

CWP

527.6

275

364

70

275 - 400

10.9

 

 

 

 

10

10.750

1250

1250

113400

13.15

16.70

2.95

2

1 x 5½

200 - 300

31.2

 

250

273.0

88

CWP

514.8

334

424

75

275 - 400

14.2

 

 

 

 

12

12.750

1250

1250

159510

15.35

18.90

2.95

2

1 x 5½

200 - 300

36.7

 

300

323.9

88

CWP

724.7

390

480

75

275 - 400

16.7

 

 

 

 

* Working pressure is based on EP cut grooved XS, Sch. 80 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.

C-09-1/3 Rev.K 20130218

MATERIAL SPECIFICATIONS

Housing:

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

• Surface Finish:

Black enamel.

• Rubber Gasket:

Grade “T” Nitrile “EP” gasket (Color code: Orange stripe) Recommended for petroleum products, air with oil vapors, vegetable and mineral oils within the specified temperature range.

XH-70EP

C-09

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)

• 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

“EP” End Protection Cut Grooving Dimensions for XH-70EP Couplings

 

 

 

 

Pipe O. D.

 

Gasket Seat A

 

Gasket Width B

Groove dia. C.

 

Grv.

 

Nom.

 

 

 

 

 

Cut Groove

 

Cut Groove

 

Depth d

 

Size

 

 

 

Tolerance

 

 

 

 

 

Tol.+0.25/

 

 

 

 

 

 

 

Basic

+

-

Basic

 

Tol. ±

 

Basic

+0.010

Basic

Tol. +0 / +0.

 

(ref.)

in

 

in

 

in

in

in

 

in

 

in

in

in

in

 

in

 

mm

 

mm

 

mm

mm

mm

 

mm

 

mm

mm

mm

mm

 

mm

 

2

 

2.375

 

+0.024

-0.024

0.562

 

±0.010

 

0.255

-0.005

2.250

-0.015

 

0.063

 

50

60.3

+0.61

-0.61

14.27

 

±0.25

6.48

-0.13

57.15

-0.38

1.60

 

2.875

+0.029

-0.029

0.562

 

±0.010

0.255

-0.005

2.720

-0.018

0.078

 

65

73.0

+0.74

-0.74

14.27

 

±0.25

6.48

-0.13

69.09

-0.46

1.98

 

3

3.500

+0.035

-0.031

0.562

 

±0.010

0.255

-0.005

3.344

-0.018

0.078

 

80

88.9

+0.89

-0.79

14.27

 

±0.25

6.48

-0.13

84.94

-0.46

1.98

 

4

4.500

+0.045

-0.031

0.605

 

±0.015

0.305

-0.005

4.334

-0.020

0.083

 

100

114.3

+1.14

-0.79

15.37

 

±0.38

7.75

-0.13

110.08

-0.51

2.11

 

6

6.625

+0.063

-0.031

0.605

 

±0.015

0.305

-0.005

6.455

-0.022

0.085

 

150

168.3

+1.60

-0.79

15.37

 

±0.38

7.75

-0.13

163.96

-0.56

2.16

 

8

8.625

+0.063

-0.031

0.714

 

±0.015

0.400

-0.010

8.441

-0.025

0.092

 

200

219.1

+1.60

-0.79

18.14

 

±0.38

10.16

-0.25

214.40

-0.64

2.34

 

10

10.750

+0.063

-0.031

0.714

 

±0.015

0.400

-0.010

10.562

-0.027

0.094

 

250

273.0

+1.60

-0.79

18.14

 

±0.38

10.16

-0.25

268.28

-0.69

2.39

 

12

12.750

+0.063

-0.031

0.714

 

±0.015

0.400

-0.010

12.531

-0.030

0.109

 

300

323.9

+1.60

-0.79

18.14

±0.38

10.16

-0.25

318.29

-0.76

2.77

 

1.EP cut-grooves are for plastic coated or cement lined pipe to be connected with Shurjoint XH-70EP couplings only. Any coating applied to the gasket seat (A) and gasket width (B) should not exceed 0.25mm (0.010”) thick. Do not roll groove pipe, which can damage the coating or lining and or create flared pipe ends.

2.Always use plain-end square cut pipe. Do not use beveled end pipe.

3.Always use an EP gasket with a XH-70EP coupling. Do not use a standard gasket.

4.The gasket seating area shall be free from deep scores, marks, or ridges that could prevent a positive seal.

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).

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.

C-09-2/3 Rev.K 20130218

XH-70EP

C-09

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-09-3/3 Rev.K 20130218

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