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194
GRUVLOK COUPLING & FLANGE WORKING PRESSURE RATINGS (PSI)
ON 304 AND 316 STAINLESS STEEL ROLL GROOVED PIPE
Nominal
Pipe
Size
Pipe
O.D.
Nominal
Wall
Thickness
Pipe
Schedule
Number
Coupling and Flanges
Fig. 7000
Lightweight
Fig. 7001
Standard
Fig. 7003
Hingelok
Fig. 7004
HPR
Fig. 7010*
Reducing
Fig. 7012
Flange
Fig. 7013
Flange
Fig. 7400
Rigidlite
Fig. 7401
Rigidlok
Fig. 7400SS
Coupling
In./DN(mm)
In./mm
Inches
PSI
1
25
1.315
33.4
0.065
5S
400
400
300
0.109
10S
400
500
300
0.133
40
500
750
300
1
1
/
4
32
1.660
42.4
0.065
5S
400
400
300
275
0.109
10S
500
500
300
300
0.140
40
500
750
300
300
1
1
/
2
40
1.900
48.3
0.065
5S
400
400
275
300
400
275
0.109
10S
500
500
300
300
500
300
0.145
40
500
750
300
300
750
300
2
50
2.375
60.3
0.065
5S
250
325
250
325
250
250
275
250
325
275
0.109
10S
500
500
300
500
500
300
300
300
500
300
0.154
40
500
750
300
750
500
300
300
300
750
300
2
1
/
2
65
2.875
73.0
0.083
5S
250
325
250
325
250
250
275
250
325
200
0.120
10S
500
500
300
500
500
300
300
300
500
300
0.203
40
500
750
300
750
500
300
300
300
750
300
3
80
3.500
88.9
0.083
5S
250
325
250
325
250
250
275
250
325
200
0.120
10S
500
500
300
500
500
300
300
300
500
300
0.216
40
500
750
300
750
500
300
300
300
750
300
4
100
4.500
114.3
0.083
5S
200
250
200
250
200
200
250
200
250
200
0.120
10S
300
400
300
400
300
300
300
300
400
300
0.237
40
500
750
300
750
500
300
300
300
750
300
5
125
5.563
141.3
0.109
5S
125
200
125
200
125
125
200
125
200
0.134
10S
200
300
200
300
200
200
300
200
300
0.258
40
300
500
300
500
300
300
300
300
500
6
150
6.625
168.3
0.109
5S
75
125
75
125
75
75
125
75
125
125
0.134
10S
200
200
200
200
200
200
200
200
200
250
0.280
40
300
500
300
500
300
300
300
300
500
275
8
200
8.625
219.1
0.109
5S
50
75
50
75
50
50
75
50
75
75
0.148
10S
150
200
150
200
150
150
200
150
200
150
0.322
40
300
400
300
400
300
300
300
300
400
275
10
250
10.750
273.0
0.134
5S
50
50
50
50
50
0.165
10S
100
100
100
100
100
0.365
40
400
400
300
300
400
12
300
12.750
323.9
0.156
5S
75
75
50
75
75
0.180
10S
125
125
100
125
125
0.375
40
400
400
300
300
400
Notes:
1) Pressure ratings based on ASTM A312 Type 304 stainless steel pipe or equivalent.
2) Failure to use Rollers specifcally designed for Stainless Steel Pipe may signifcantly reduce pressure retention capabilities.
3) Pressure ratings on cut grooved pipe meet or exceed the schedule 40 pressure ratings listed above. For information regarding higher ratings contact Anvil.
4) * For pressure ratings on Figure 7010 Reducing Couplings use larger pipe size.
5) For pressure ratings for the reducing tees, concentric reducers and eccentric reducers, use the rating of the weakest end.
6) Pressure ratings on schedule 10 stainless steel pipe may be increased by using Anvil's 1007/3007 roll groovers with the schedule 10 roller set. Contact Anvil for details.
The following are pressure ratings for Gruvlok Stainless Steel
Piping Systems. The ratings for Schedule 10S pipe are based
upon the use of roll-groover roll sets that have been specifcally
designed for use on Schedule 10 Stainless Steel pipe. Using roll
sets that were designed for roll grooving standard wall pipe may
signifcantly reduce the pressure ratings that can be obtained.
The Model 1007/3007 roll groovers require the use of the
optional Schedule 10 roll set to groove Schedule 5S and 10S. For
grooving Schedule 40S on the Model 1007/3007 roll groovers,
the standard steel roll grooving set should be used.
COUPLING & FlangeWORKING PRESSURE RATING
on 304 and 316 Stainless Steel Roll Grooved Pipe
GL-2.10