Data Sheet
Bulletin 71.2:92S
12
Table 5. Flow Capacities in Pounds per Hour
/ kg/h of Saturated Steam (continued)
Table 6. Noise Level Data in Decibels with Schedule 40 Downstream Piping and No Insulation
(1)
P
1
PERCENTAGE
OF MAXIMUM
REGULATOR
FLOW RATE
NOISE LEVEL, dBA
NPS 2 / DN 50 Main
Valve Body with
2-inch / 51 mm
Downstream Piping
NPS 2-1/2 / DN 65 Main
Valve Body with
4-inch / 102 mm
Downstream Piping
NPS 3 / DN 80 Main
Valve Body with
4-inch / 102 mm
Downstream Piping
NPS 4 / DN 100 Main
Valve Body with
8-inch / 203 mm
Downstream Piping
psig bar
Without
Attenuator
With
Attenuator
Without
Attenuator
With
Attenuator
Without
Attenuator
With
Attenuator
Without
Attenuator
With
Attenuator
50 3.5
0.2
100
30
73
62
72
61
66
59
64
56
72
63
68
60
78
71
76
68
0.3
100
30
79
68
77
66
72
61
68
57
78
65
72
61
83
73
78
70
0.4
100
30
82
71
79
68
76
65
69
61
80
69
74
65
86
76
81
73
0.5
100
30
84
73
80
69
78
67
72
63
82
73
76
67
88
79
83
75
0.6
100
30
87
76
80
70
81
70
75
65
82
74
79
68
90
80
84
76
0.7
100
30
88
78
82
71
84
73
79
69
88
80
83
71
92
83
87
79
100 6.9
0.2
100
30
78
67
77
66
71
64
69
61
77
68
73
65
83
76
81
73
0.3
100
30
84
73
82
71
77
66
73
62
83
70
77
66
88
78
83
75
0.4
100
30
86
76
84
72
81
70
74
66
85
74
79
70
91
80
86
78
0.5
100
30
89
78
85
74
83
72
77
68
87
78
81
72
93
84
88
80
0.6
100
30
92
81
86
75
86
75
80
70
87
79
84
73
95
85
89
81
0.7
100
30
82
93
75
86
78
89
74
84
85
93
76
88
88
97
84
92
1. Overall noise levels determined at a point 39-inches / 991 mm downstream of the regulator outlet and 39-inches / 991 mm from piping surface.
∆P
P
1abs
- continued -
OUTLET
PRESSURE
SETTING
(1)
PILOT
TYPE
NUMBER
INLET
PRESSURE
MAIN VALVE BODY SIZE, NPS / DN
DROOP1 / 25 1-1/2 / 40 2 / 50 2-1/2 / 65 3 / 80 4 / 100 6 x 4 / 150 x 100
psig bar psig bar lbs/h kg/h lbs/h kg/h lbs/h kg/h lbs/h kg/h lbs/h kg/h lbs/h kg/h lbs/h kg/h
125 8.6
6492H,
6492HT
140
150
200
250
300
9.7
10.3
13.8
17.2
20.7
1,600
1,900
3,150
4,300
5,050
726
862
1,429
1,950
2,291
3,100
3650
5,750
8,000
9,400
1,406
1,656
2,608
3,629
4,264
4,800
5,700
9,450
12,900
15,100
2,177
2,586
4,287
5,851
6,849
9,200
14,600
19,500
23,800
4173
6623
8845
10,796
13,100
19,950
27,000
32,500
5,942
9,049
12,247
14,742
16,400
27,000
37,500
44,300
7,439
12,247
17,010
20,094
16,900
28,000
38,300
45,100
7,666
12,701
17,373
20,457
10% of
outlet
pressure
setting
150 10.3
6492H,
6492HT
175
200
250
300
12.1
13.8
17.2
20.7
2,450
3,050
4,150
5,050
1,111
1,383
1,882
2,291
4,000
5,250
7,400
9,400
1,814
2,381
3,357
4,264
7,300
9,100
12,400
15,100
3,311
4,128
5,625
6,849
10,000
13,400
18,600
23,400
4536
6078
8437
10,614
14,000
18,200
25,750
31,900
6,350
8,256
11,680
14,470
19,100
30,800
34,100
42,900
8,664
13,971
15,468
19,459
20,100
31,000
35,200
43,300
9,117
14,062
15,967
19,641
1. Standard pilot or combination of setting plus loading pressure or optional pilot.
- shaded areas indicate where minimum differential pressure is not attained.