Model 75L

Stainless Steel Low Pressure Flexible Coupling

The Model 75L is designed for low pressure MF/UF/RO systems. It is made of CF8(304) or CF8M(316) with 304 or 316 bolts and nuts.

Sizes-inches/DN : 3/4 to 8inch(DN20 to DN200)

Rated working pressure : 350psi(25bar) SCH40S cut groove only

 

Sizes-inches/DN : 3/4 to 8inch(DN20 to DN200)

Rated working pressure : 350psi(25bar) SCH40S cut groove only

Material Specifications                                                              

Housings :

◆Type 304 Stainless steel to ASTM A351 CF8 or A743 Gr. CF8

◆Type 316 to ASTM A743 CF8M

◆Type 316L to ASTM A743 CF3M

◆CE8MN to ASTM A890 Grade 2A

◆Austenic 904L(CN2MCuN) to A351

◆Duplex 2205(CD3MN) to ASTM A890 Grade 4A

◆Super duplex 2507(CE3MN) to ASTM A890 Grade 5A

◆Austenic 254SMO(CK3MCuN) to A743

 

Rubber Gaskets:

The gasket seals is C-shaped, made of standard gasket EPDM(ethylene propylene diene monomer) for cold water,hot water,rare acid,oil-free air and multiple chemical product(-50~150℃). It is not suitable for medium like petroleum.

 

Bolts & Nuts:

◆Type 304 stainless steel track bolts and nuts to ASTM F-593

◆Type 316 stainless steel track bolts and nuts to ASTM F-593

◆Type 316 stainless steel track bolts and nuts to ASTM F-193 B-8M with silicone bronze heavy duty nuts to ASTM B98 C65100

Nominal

Size

mm

inch

20

0.75

25

 

25

1

32

 

32

1.25

40

1.5

50

 

50

2

65

2.5

65

 

80

3

100

 

100

4

125

 

125

5

150

 

150

6

200

8

Pipe O.D

A

mm

inch

26.70

1.050

32.00

1.260

33.40

1.315

38.00

1.496

42.20

1.660

48.30

1.900

57.00

2.244

60.30

2.375

73.00

2.875

76.10

3.000

88.90

3.500

108.00

4.250

114.30

4.500

133.00

5.250

141.30

5.563

159.00

6.259

168.30

6.625

219.10

8.625

Rate working

Pressure

Pipe End

separation

Dimensions

Weight

psi

bar

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

350

24.13

mm

inch

0-1.6

0-0.06

0-1.6

0-0.06

0-1.6

0-0.06

0-1.6

0-0.06

0-1.6

0-0.06

0-1.6

0-0.06

0-1.6

0-0.06

0-1.6

0-0.06

0-1.6

0-0.06

0-1.6

0-0.06

0-1.6

0-0.06

0-3.2

0-0.13

0-3.2

0-0.13

0-3.2

0-0.13

0-3.2

0-0.13

0-3.2

0-0.13

0-3.2

0-0.13

0-3.2

0-0.13

mm

inch

47

1.850

50

2

52

2.047

59

2.323

61

2.402

67

2.638

79

3.11

81

3.189

96

3.79

98

3.858

111

4.370

132

5.197

138

5.433

157.4

6.197

164.4

6.472

184.2

7.252

194.2

7.646

251

9.882

B

mm

inch

84

3.307

89

3.504

90

3.543

97

3.819

99.7

3.925

106.3

4.185

118

4.646

121

4.764

143.1

5.634

147.3

5.799

160.9

6.335

183.3

7.217

189.5

7.461

209.1

8.232

216.3

8.516

236

9.291

246.2

9.693

310

12.205

C

mm

inch

41

1.614

41

1.614

42

1.654

42

1.654

42

1.654

42

1.654

42

1.654

42

1.654

43

1.693

43

1.693

47

1.850

47

1.850

47

1.850

49

1.929

49

1.929

55

2.165

55

2.165

60

2.362

kgs

lbs

0.269

0.592

0.306

0.674

0.305

0.671

0.351

0.671

0.351

0.773

0.365

0.803

0.424

0.933

0.461

1.015

0.467

1.028

0.551

1.213

0.586

1.290

0.732

1.611

1.136

2.500

1.197

2.935

1.525

3.355

1.826

4.018

1.881

4.139

3.575

7.865

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