Model 707
Ductile Iron High Pressure Flexible Coupling
The Model 707 is designed for connection of grooved high pressure pipe systems.
Sizes-inches/DN : 3/4 to 12inch(DN20 to DN300)
Rated working pressure : 1000psi(69bar) cut groove only
Material Specifications
Housings :
◆Ductile lron to ASTM A536
Surface Finish :
◆Antirust paint red of blue
◆Hot dip zinc galvanized
◆Epoxy power
◆Dacromet
◆TRFLOW(PTFE)
◆RilsanPA11
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:
◆Round-head,elliptoid-neck,carriage bolts,type carbon iron covered with zinc or dacromet
mm
inch
25
1
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
250
10
300
12
Pipe O.D
A
mm
inch
33.40
1.315
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
139.70
5.500
159.00
6.259
168.30
6.625
219.10
8.625
273.00
10.750
323.90
12.750
Rate working
Pressure
Pipe End
separation
Dimensions
Weight
psi
bar
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
1000
58.90
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
mm
inch
61
2.402
67
2.638
79
3.110
89
3.504
92
3.622
108
4.252
111
4.370
127
5.000
152
5.984
156
6.142
194
7.638
197
7.756
216
8.504
219
8.622
279
10.984
346
13.622
397
15.630
B
mm
inch
105
4.134
127
5.000
137
5.394
146
5.748
149
5.866
165
6.496
168
6.614
181
7.126
219
8.622
226
8.898
264
10.394
270
10.630
265
10.433
302
11.890
375
14.764
435
17.126
489
19.252
C
mm
inch
44
1.732
48
1.890
48
1.890
48
1.890
48
1.890
48
1.890
48
1.890
48
1.890
54
2.126
54
2.126
54
2.126
54
2.126
52
2.047
54
2.126
63
2.480
67
2.638
67
2.638
kgs
lbs
0.620
1.364
0.720
1.584
0.800
1.760
1.280
2.816
1.300
2.860
1.620
3.564
1.750
3.850
1.890
4.158
2.500
5.500
2.700
5.940
4.500
9.900
5.000
11.00
5.660
12.452
7.260
15.970
8.850
19.470
12.240
26.928
15.620
34.360
Nominal
Size