Flowserve HWX Worthington User Manual
Page 10
HWX USER INSTRUCTIONS ENGLISH - 07/14
Page 10 of 40
Motor size
and speed
kW (hp)
3500 rpm
2900 rpm
1750 rpm
1450 rpm
Pump
only
dBA
Pump &
motor
dBA
Pump
only
dBA
Pump &
motor
dBA
Pump
only
dBA
Pump &
motor
dBA
Pump
only
dBA
Pump &
motor
dBA
<0.55
(<0.75)
72
72
64
65
62
64
62
64
0.75
(1)
72
72
64
66
62
64
62
64
1.1
(1.5)
74
74
66
67
64
64
62
63
1.5
(2)
74
74
66
71
64
64
62
63
2.2
(3)
75
76
68
72
65
66
63
64
3
(4)
75
76
70
73
65
66
63
64
4
(5)
75
76
71
73
65
66
63
64
5.5
(7.5)
76
77
72
75
66
67
64
65
7.5
(10)
76
77
72
75
66
67
64
65
11
(15)
80
81
76
78
70
71
68
69
15
(20)
80
81
76
78
70
71
68
69
18.5
(25)
81
81
77
78
71
71
69
71
22
(30)
81
81
77
79
71
71
69
71
30
(40)
83
83
79
81
73
73
71
73
37
(50)
83
83
79
81
73
73
71
73
45
(60)
86
86
82
84
76
76
74
76
55
(75)
86
86
82
84
76
76
74
76
75
(100)
87
87
83
85
77
77
75
77
90
(120)
87
88
83
85
77
78
75
78
110
(150)
89
90
85
87
79
80
77
80
132
(175)
89
90
85
87
79
80
77
80
150
(200)
89
90
85
87
79
80
77
80
160
(215)
(1)
(1)
(1)
(1)
83
84
81
83
200
(270)
(1)
(1)
(1)
(1)
85
87
83
85
300
(400)
87
90
85
86
315
(422)
87
90
85
86
355
(475)
87
90
86
87
500
(670)
88
(1)
86
(1)
1000
(1300)
90
(1)
88
(1)
1500
(2000)
90
(1)
90
(1)
(1) Noise levels of machines in this range should be based on actual equipment selected
For 1180 and 960 r/min reduce the 1450 r/min values by 2dBA
For 880 and 720 r/min reduce the 1450 r/min values by 3dBA