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2
Chæ daã n laé p ñaë t ñuù n g quy caù c h
Maë t baè n g laé p ñaë t thieá t bò phaû i saï c h seõ vaø an toaø n cho vieä c vaä n
haø n h vaø baû o döôõ n g thieá t bò. Chuù yù ñeá n
khoaû n g khoâ n g ôû phaà n ñaà u huù t , ñaà u ñaå y
cuû a bôm vaø nuù m ñieà u chænh (H 6).
Neá u bôm ñöôï c laé p ñaë t ôû ngoaø i trôø i thì
caà n thieá t phaû i coù maù i che, ñaë c bieä t laø khi
bôm ñuôï c keá t noá i vôù i caù c thieá t bò khôû i
ñoä n g ñieä n vaø caù c thieá t bò ñieà u khieå n
khaù c .
Ñaà u bôm baè n g nhöï a PVC chæ coù theå
laø m vieä c ôû nhieä t ñoä moâ i tröôø n g vaø nhieä t ñoä dung dòch toá i ña laø
0
40 C. Neá u caà n thieá t thì coù theå söû duï n g theâ m thieá t bò che bôm
khoû i aù n h naé n g maë t trôø i vaø kieå m tra nhieä t ñoä cuû a dung dòch.
Ñöôø n g oá n g huù t
Vieä c laé p ñaë t ñuù n g quy caù c h vaø kích thöôù c oá n g huù t ñaë c bieä t
quan troï n g ñeå vaä n haø n h bôm an toaø n .
Caù c yeá u toá sau caà n phaû i ñöôï c tính ñeá n :
A) Ñöôø n g kính trong cuû a oá n g ñöôï c choï n
theo löu löôï n g bôm (Baû n g C).
Caù c ñaà u noá i bôm coù kích thöôù c lôù n hôn
cho caù c öù n g duï n g khaù c nhau.
B) Chieà u daø i cuû a oá n g.
Chieà u daø i oá n g huù t caø n g ngaé n caø n g toá t .
Vaø chieà u daø i phuø hôï p nhaá t theo baû n g C:
Chieà u saâ u huù t lôù n nhaá t laø 1,5 m
n
Toå n g chieà u daø i cuû a oá n g huù t : 2,5m
n
C) Sô ñoà kieå u laé p ñöôø n g oá n g huù t .
Xem hình minh hoaï H. 7
H. 7
Sai
Deã bò taé c bôm
Wrong
Risk of clogging of pump valves
Sai
Taï i ñIeå m cao nhaá t oá n g daã n dung
dòch bò gaã y
Wrong
In the highest point the fluid vein
breaks
6
Instructions for a proper installation
Provide with adequate clearance areas and safe access for
H. 6
KÍCH THÖÔÙ C LAÉ P ÑAË T / ASSEMBLING AREA
800
700
liquid temperatures below 40 C. If neces sary, provide suitable
protection from sun rays and check the temperature of the
metered liquid.
Suction line
A proper installation and sizing of the suction line are of particular impor-
tance for a correct operation of the pump.
The following factors shall be taken into account:
Baû n g C
Moá i töông quan giöõ a löu löôï n g
vaø kích thöôù c oá n g
Relationship between flow rate and pipe size
ÑAÀ U NOÁ I
OÁ N G NOÁ I
LÖU LÖÔÏ N G
OÁ N G NOÁ I
OÁ N G
BÍCH
REN
FLOW RATE
FLANGED
THREADED
PIPE WITH
L/h
FITTINGS
PIPE
0÷15
4x6
-
0÷30
6x10
-
0÷125
-
DN 10
DN 15
0÷155
-
1/2" ANSI
DN 20
0÷260
-
3/4" ANSI
DN 25
0÷420
-
1" ANSI
C) Arrangement of the suction line
For the arrangement of the suction line see fig.7.
operation and maintenance, in particular
in front of the hydraulic side and of the
adjustment knob (fig. 6).
If the pump is installed outdoors, a
shelter is recommended, specially
when the pump is equipped with electric
actuators or other delicate devices.
PP pump heads can work properly only
at ambient temperature and metered
0
Table C
A) Pipe inner diameter
The pipe inner diameter will be chosen as a
function of the pump flow rate (see table C).
The pump connections are oversized, in
order to cover all applications.
OÁ N G NOÁ I
NHÖÏ A
PVC GLUED
PIPE
PIPE
B) Length of piping
-
-
/
"
-
1
4
Suction piping is to be as short as
φ 16
/
"
3
8
possible. Following the indications of
φ
/
"
20
1
2
table C it issuggested:
φ
/
"
25
3
4
φ
Max suction lift 1,5 metres
"
32
l
1
Total length 2,5 metres
l
(upright plus horizontal)
VAN LOÏ C
FILTER FOOT VALVE
Ñuù n g
Right
Ñuù n g
Right
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