Industrie Technik SF1E Flow Switch

Technical data Contacts
dust-tight microswitch with switching contacts SPDT
Switch capacity
15 (8) A, 24...250 Vac
Working
-40...+85 °C 10...90% r.h. (without condensing)
Max liquid temperature
-40...+120 °C
Max pressure
11 bar (SF2: 30 bar)
Flow rate
see flow rate schedule 1-2-3
Connection
standard R1“ (DIN 2999) for series SF1 and SF2
Body
see the following schedule
Paddles
stainless steel AISI 316L
Housing
Base in ABS, transparent PC cover
Storage
-40...+85 °C 95% r.h.
Protection
IP65, class I
Size
140 x 62 x 65 mm 680 g (stainless steel version: 900 g)
Weight
H₂O FLOW RATE SF1K/SF1E/SF2E
H₂O FLOW RATE SF1RE/SF2RE
Table 1
Table 2
Pipe connector
Min adjustMax adjustQmax m³/h ment m³/h recommended ment m³/h cut-off (cut-in) cut-off (cut-in)
1"
3,6
0,6 (1,0)
2,0 (2,1)
11/4"
6,0
0,8 (1,3)
2,8 (3,0)
11/2"
9,0
1,1 (1,7)
3,7 (4,0)
2"
15,0
2,2 (3,1)
5,7 (6,1)
2 1/2"
24,0
2,7 (4,0)
6,5 (7,0)
3"
36,0
4,3(6,2)
10,7(11,4)
4"
60,0
6,1(8,0)
17,3(18,4)
4" Z
60,0
6,1 (8,0)
17,3(18,4)
5"
94,0
22,9 (28,4)
53,3(55,6)
5" Z
94,0
9,3 (12,9)
25,2 (26,8)
6"
120,0
35,9 (43,1)
81,7 (85,1)
6" Z
120,0
12,3 (16,8)
30,6 (32,7)
8"
240,0
72,6 (85,1)
165,7(172,5)
8" Z
240,0
38,6 (46,5)
90,8 (94,2)
Pipe connector
Min. adjustment m³/ Max. adjustment m³ h cut-off (cut-in) / h cut-off (cut-in)
1"
0,2 (0,6)
1,0 (1,1)
11/4"
0,25 (0,9)
1,4 (1,6)
11/2"
0,5 (1,2)
1,6 (2,2)
2"
0,9 (2,3)
3,6 (4,1)
2 1/2"
1,2 (3,1)
4,9(5,5)
3"
2,1 (4,9)
7,4 (8,2)
4"
4,9(11,3)
17,1 (19,6)
4" Z
3,3 (7,7)
11,6 (13,0)
5"
9,7 (22,4)
34,0 (37,9)
5" Z
5,0 (11,5)
17,5
6"
13,6 (31,5)
47,6 (53,2)
6" Z
6,1 (14,1)
21,4 (23,9)
8"
25,7(59,6)
90,1 (100,7)
8" Z
21,7(36,5)
55,3 (61,8)
Note: the value indicated on schedule have been measured with the flow switch mounted on horizontal position.
For models with suffix “Z” the longest paddle must be used to obtain the values indicated on the table. Pressure drop at
the maximum flow (Qmax): 0,08 bar Note: the value indicated on schedule have been measured
with the flow switch mounted on horizontal position.
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MAIN OFFICE BRESSANONE I-39042 Bressanone (BZ) via Julius-Durst-Str. 50
VAT No. IT02748450216
tel: +39 0472 830626 fax: +39 0472 831840 www.industrietechnik.it
SF
2 (4)