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Ref. 2.500_UK-10/01. www.axel-larsson.se
CHECK-/FOOT VALVE
AL 54-H151 – AL 54-H153
Design
AL 54 is a check or foot valve in brass with a spring-loaded cone.
which means that it is sealed even at low pressure. The valve is available in two versions. a non-return valve type AL 54-H151
and a foot valve AL 54-H153 (with filter).
Pressure/Temperature
Max. temperature
Opening pressure:
Working pressure:
+110°C
Min. 0.02 bar
Min. 0.05 bar. Max. 30 bar.
Material specification
Component
Body
Cone
Valve cone control
Seat
Pressure spring
Filter (only type 153)
Material
Brass
Polysulfone
Reinforced nylon
Nitrile
Stainless steel
Stainless steel
Dimensions
DN
A
B
C
Weight. kg
10
15
20
25
32
40
50
65
80
100
27.5
34
41.5
50
60.5
73.5
89
116
142
172
46.5
52.5
59
67
76
90
101
127
150
177
40
42
47
54
59
70
80
85
98
–
0.1
0.2
0.3
0.4
0.6
1.0
1.6
3.1
5.0
8.6
ØA
ØA
B
C
AL 54 - H151
AL 54 - H153
Ref. 2.500_UK-10/01. www.axel-larsson.se
CHECK-/FOOT VALVE
AL 54-H151 – AL 54-H153
Pressure
drop diagram
Tryckfallsdiagram
Capacity
10
8
6
Kv value (m3/h)
Kv
48,
2" K
8
v6
8,9
21/
2" K
v1
00,
6
3" K
v1
62,
3
4" K
v2
23,
7
1
0,8
0,6
v2
7,9
2
11/
2"
Kv
11/
4" K
10 6.9
15 8.8
20 11.4
25 14.5
32 27.9
40 48.8
50 68.9
65 100.6
80 162.3
100 223.7
3/8
DN
Pressure
dropm
m vp
vp
Tryckfall
"K
1/2 v 6,9
"K
3/4 v 8,8
"K
v
1"
Kv 11,4
14,
5
4
0,4
0,2
0,1
0,08
0,06
0,04
3
3/h
Kv =
/hvatten
water atvid
ƒl
Kv=
mm
bar and
a temp.
of 15°C
∆lbar
och
temp.15°C
0,02
0,01
0,3 0,4 0,60,8 1
2
4
6 8 10
20
Flow
water
Flöde
m3m
/h3/hvatten
40 60 80100 200 300
Installation/Maintenance
AL 54 can be installed in either horizontal or vertical piping.
Ordering example
AL 54-H151 - DN 25
Head Office Axel Larsson Maskinaffär AB, Truckvägen 12, P.O. Box 805, SE-194 28 Upplands Väsby (Stockholm), Sweden.
Telephone: +46 8 555 247 00 Fax: +46 8 555 247 90 E-mail: [email protected]
Design and specifications subject to change without prior notice.
Type
DN