Flowseal
Soft Seat Valves - Valve Seating Torques Charts
ANSI
Class 150
Seating
and Unseating Torque Values
(All Torques are in Inch pounds)
|
Valve
Size
|
Soft
Seat ANSI Class 150 |
|
Seat
Upstream (SUS)
|
Seat
Downstream (SDS)
|
|
0-150
PSIG
|
285
PSIG
|
0-150
PSIG
|
285
PSIG
|
|
2"
|
200
|
270
|
200
|
320
|
|
4"
|
225
|
470
|
410
|
610
|
|
6"
|
540
|
680
|
860
|
1320
|
|
8"
|
910
|
1620
|
1620
|
2580
|
|
10"
|
1620
|
2530
|
2630
|
4550
|
|
12"
|
2530
|
3600
|
4160
|
6350
|
|
14"
|
3720
|
5970
|
6200
|
9000
|
|
16"
|
5530
|
9180
|
9000
|
14700
|
|
18"
|
6840
|
11900
|
14500
|
20100
|
|
20"
|
10020
|
16970
|
18000
|
27200
|
|
24"
|
18330
|
32290
|
28100
|
43000
|
|
30"
|
32330
|
569302
|
45500
|
71800
|
|
36"
|
47000
|
81000
|
66000
|
102000
|
|
42"
|
65000
|
111000
|
92000
|
140000
|
|
48"
|
83000
|
146000
|
115000
|
184000
|
ANSI
Class 300
|
Valve
Size
|
Soft
Seat ANSI Class 300
|
|
Seat
Upstream (SUS)
|
|
0-150
psig
|
285
psig
|
400
psig
|
500
psig
|
600
psig
|
700
psig
|
|
3"
|
220
|
300
|
440
|
520
|
595
|
700
|
|
4"
|
250
|
520
|
610
|
670
|
790
|
970
|
|
6"
|
600
|
750
|
940
|
1120
|
1330
|
1630
|
|
8"
|
1000
|
1800
|
1950
|
2440
|
2810
|
3390
|
|
10"
|
1800
|
2790
|
3840
|
4640
|
5370
|
6510
|
|
12"
|
2790
|
4000
|
6140
|
7480
|
8590
|
11390
|
|
14"
|
4130
|
6640
|
8630
|
10200
|
12100
|
14940
|
|
16"
|
6140
|
10200
|
14000
|
17070
|
19640
|
24440
|
|
18"
|
7600
|
13220
|
17100
|
20400
|
23990
|
29460
|
|
20"
|
11140
|
18860
|
25010
|
31530
|
35310
|
42990
|
|
24"
|
20370
|
35870
|
48260
|
58820
|
71330
|
85080
|
|
30"
|
35920
|
63260
|
88430
|
109620
|
125290
|
156780
|
|
Valve
Size
|
Soft
Seat ANSI Class 300
|
|
Seat
Downstream (SDS)
|
|
0-150
psig
|
285
psig
|
400
psig
|
500
psig
|
600
psig
|
700
psig
|
|
3"
|
220
|
350
|
520
|
600
|
675
|
700
|
|
4"
|
460
|
675
|
850
|
1000
|
1150
|
1300
|
|
6"
|
950
|
1450
|
1750
|
2100
|
2300
|
2750
|
|
8"
|
1800
|
2850
|
3400
|
4000
|
4500
|
5250
|
|
10"
|
2900
|
5000
|
5700
|
6700
|
7600
|
8750
|
|
12"
|
4600
|
7000
|
8000
|
9500
|
11000
|
12850
|
|
14"
|
8200
|
11500
|
14500
|
17000
|
18000
|
22000
|
|
16"
|
14000
|
17000
|
23500
|
26500
|
30000
|
35100
|
|
18"
|
17500
|
24000
|
30000
|
34000
|
38000
|
44500
|
|
20"
|
23500
|
32000
|
40000
|
44500
|
51500
|
59400
|
|
24"
|
38000
|
52000
|
61500
|
70000
|
79500
|
90000
|
|
30"
|
80000
|
110000
|
135000
|
155000
|
182000
|
200000
|
ANSI
Class 600
|
|
Soft
Seat ANSI Class 600
|
|
Seat
Upstream (SUS)
|
|
0-150
psig
|
500
psig
|
800
psig
|
1000
psig
|
1200
psig
|
1480
psig
|
|
3"
|
240
|
620
|
720
|
749
|
878
|
1034
|
|
4"
|
341
|
690
|
893
|
1063
|
1248
|
1473
|
|
6"
|
710
|
1330
|
1861
|
2215
|
2601
|
3065
|
|
8"
|
1423
|
3079
|
4498
|
5444
|
6476
|
7714
|
|
10"
|
2371
|
5469
|
8124
|
9894
|
11825
|
14142
|
|
12"
|
3795
|
9357
|
14124
|
17302
|
20758
|
24929
|
|
14"
|
4860
|
12312
|
18699
|
22957
|
27600
|
33176
|
|
|
Soft
Seat ANSI Class 600
|
|
Seat
Downstream (SDS)
|
|
0-150
psig
|
500
psig
|
800
psig
|
1000
psig
|
1200
psig
|
1480
psig
|
|
3"
|
290
|
629
|
760
|
943
|
1061
|
1250
|
|
4"
|
477
|
1035
|
1431
|
1550
|
1746
|
2061
|
|
6"
|
994
|
2196
|
2850
|
3101
|
3640
|
4291
|
|
8"
|
1992
|
4310
|
6297
|
7622
|
9066
|
10800
|
|
10"
|
3319
|
7657
|
11374
|
13852
|
16555
|
19800
|
|
12"
|
5313
|
13100
|
19774
|
24223
|
29075
|
34900
|
|
14"
|
6804
|
17237
|
26180
|
32140
|
38640
|
46446
|
