Operating manual liquid ring vacuum pumps and compressors series TRH - TRS - TRM - TRV - SA & Systems type HYDROSYS - OILSYS
22
Tab. 5
POWER
kW
Noise level L
p
(L
w
)
dB(A)
Noise level L
p
(L
w
)
ATEX
dB(A)
8 poles 6 poles 4 poles 2 poles 8 poles 6 poles 4 poles 2 poles
0,75
55
(63)
50
(58)
48
(56)
59
(67)
54
(62)
48
(56)
53
(61)
64
(72)
1,1
55
(63)
50
(58)
54
(62)
60
(68)
54
(62)
48
(56)
56
(64)
64
(72)
1,5
57
(65)
53
(61)
54
(62)
63
(71)
56
(64)
57
(65)
56
(64)
71
(79)
2,2
57
(65)
55
(61)
55
(63)
63
(71)
60
(68)
59
(67)
57
(65)
71
(79)
3
58 (66) 57
(65)
55
(63)
67
(75)
60
(68)
62
(70)
57
(65)
74
(82)
4
60
(68)
57
(65)
58
(66)
69
(77)
64
(72)
62
(70)
62
(70)
74
(82)
5,5
60
(68)
57
(65)
61
(69)
72
(81)
64
(72)
62
(70)
66
(74)
75
(83)
7,5
60
(68)
63
(71)
61
(69)
72
(81)
64
(72)
66
(74)
69
(77)
77
(85)
11
63
(71)
64
(72)
68
(78)
74
(82)
66
(75)
66
(74)
71
(79)
77
(86)
15
65
(73)
64
(72)
68
(78)
74
(82)
67
(77)
69
(78)
71
(79)
78
(86)
18,5
67
(75)
66
(74)
68
(78)
74
(82)
70
(81)
71
(81)
72
(81)
78
(86)
22
67
(75)
66
(74)
68
(78)
74
(82)
70
(81)
71
(81)
72
(81)
76
(85)
30
69
(80)
68
(78)
73
(84)
82
(93)
70
(81)
72
(83)
72
(82)
78
(88)
37
67
(75)
70
(81)
75
(86)
82
(93)
62
(74)
72
(83)
75
(86)
78
(88
)
45
67
(77)
72
(84)
75
(86)
82
(93)
62
(74)
67
(79)
75
(86)
80
(90)
55
67
(77)
72
(84)
78
(86)
84
(98)
63
(77)
67
(79)
77
(88)
80
(91)
75
67
(77)
77
(87)
73
(82)
79
(89)
65
(77)
67
(81)
72
(84)
77
(89)
90
67
(77)
77
(88)
73
(82)
79
(89)
65
(79)
71
(85)
72
(84)
77
(89)
110
73
(85)
77
(88)
79
(92)
84
(97)
65
(79)
72
(86)
73
(86)
77
(91)
132
76
(88)
77
(88)
79
(92)
84
(97)
72
(86)
77
(86)
85
(99)
160
78
(89)
79
(92)
84
(97)
77
(91)
85
(99)
200
79
(92)
84
(97)
77
(91)
85
(99)
250
83
(95)
84
(97)
0,0
0,2
0,4
0,6
0,8
1,0
1,2
1,4
1,6
1,8
2,0
2,2
2,4
2,6
2,8
3,0
0
1
2
3
4
5
6
7
8
9
10
11
12
dB difference
d
B
i
n
c
re
m
e
n
t
t
o
a
d
d