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