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Munro Flexible Coupling M7705

Munro Flexible Coupling M7705

Made to USA standards, to easily interchange with other major manufacturers, the Munro flexible coupling is ideal for use in countless piping applications where misalignment might be present. The M7705 can accommodate vibration, thermal stress and moderate seismic activity. This tried and true coupling offers pressure ratings to 500 psi, depending on pipe size and wall thickness.

Materials

Couplings Ductile iron, non-lead orange rust-inhibiting paint coating, ASTM A536, Grade 65-45-12
Bolts Carbon steel, heat treated and zinc plated, tensile strength to 110,000 psi: ASTM A 183 Grade 2
Nuts Carbon steel and zinc plated: ASTM 563 Grade 2
Gaskets Nitrile, orange color-coded, service temperature: -20°F to 180°F (-29°C to 82°C)

 

Nominal Size Pipe OD Max. Working Pressure (CWP) Dimensions Bolts Approx. Weight Model Number
A B C Qty Size
in/mm in/mm psi/bar in/mm in/mm in/mm   in/mm lb/kg  

2

50

2.375

60.3

500

35

3.31

84

5.08

129

1.89

48

 2

 

 

 

 

 

 

 

 

 

 

 

 

3/8 x 2 1/8

M10 x 55

1.8

0.8

 M7705X2

3

80

3.5

88.9

500

35

4.57

116

6.65

169

1.89

48

1/2 x 3

M12 x 75

2.8

1.3

 M7705X3

4

100

4.5

114.3

500

35

5.71

145

7.76

197

2.05

52

1/2 x 3

M12 x 75

4.1

1.9

 M7705X4

6

150

6.625

168.3

450

31

7.87

200

10.55

268

2.44

62

5/8 x 3 1/2

M16 x 90

6.4

2.9

 M7705X6

8

200

8.625

219.1

300

20

10.24

260

13.78

350

2.52

64

5/8 x 3 1/2

M16 x 90

11

4.9

 M7705X8

10

250

10.750

273

300

20

13.50

343

16.73

425

2.52

64

3/4 x 3/4

M20 x 120

16

7.20

 M7705X10

12

300

12.750

323.9

300

20

15.35

390

18.39

467

2.52

64

7/8 x 6 1/2

M22 x 165

22.5

10.8

 M7705X12