Flowserve MENBLOC 60Hz User Manual download pdf (Page 10)

MENBLOC 60Hz USER INSTRUCTIONS ENGLISH 71559945 - 02/13

Page 10 of 36 flowserve.com

Motor size

and speed

kW (hp)

Typical sound pressure level L

at 1 m reference 20 µPa, dBA

3 550 r/min 2 900 r/min 1 750 r/min 1 450 r/min

Pump

only

Pump and

motor

Pump

only

Pump and

motor

Pump

only

Pump and

motor

Pump

only

Pump and

motor

< 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

150 (200) 89 90 85 87 79 80 77 80

200 (270)

1 1 1 1

85 87 83 85

300 (400) 87 90 85 86

1 The noise level of machines in this range will most likely be of values which require noise exposure control, but typical values are

inappropriate.

Note: for 1 180 and 960 r/min reduce 1 450 r/min values by 2 dBA. For 880 and 720 r/min reduce 1 450 r/min values by 3 dBA.

In areas where the staff has to intervene, remember

that when the level of the sound pressure is:

• below 70 dBA: it is not necessary to take special

precautions.

• above 70 dBA: people working continuously in

the machine room must be supplied with

protective devices against noise.

• below 85 dBA: no particular measures need to

be taken for casual visitors staying in the room

during a limited period.

• above 85 dBA: the room must be considered as

a dangerous area because of the noise and a

warning sign must be fixed at each entry

warning the people coming into the room, even

for a short period, that they must wear hearing

protection.

• above 105 dBA: special hearing protection

adapted to this noise level and to the spectral

noise components must be installed and a

warning sign to this effect erected at each entry.

The staff in the room must wear ear protection.

Make sure that the noise, which travels through the

walls and windows, does not generate too high

noise levels in the machine room's surroundings.

2 TRANSPORT AND STORAGE

2.1 Consignment receipt and unpacking

Immediately after receipt of the equipment it must be

checked against the delivery and shipping

documents for its completeness and that there has

been no damage in transportation.

Any shortage and or damage must be reported

immediately to Flowserve and received in writing

within one month of receipt of the equipment. Later

claims cannot be accepted.

Check any crate, boxes and wrappings for any

accessories or spare parts that may be packed

separately with the equipment or attached to side

walls of the box or equipment.

Each product has a unique serial number. Check

that this number corresponds with that advised and

always quote this number in correspondence as well

as when ordering spare parts or further accessories.

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Flowserve MENBLOC 60Hz User Manual Page 10

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