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Technical Specifications
9. Technical Specifications
9.1. VALVE
Maximum working pressure
Maximum working temperature
Opening pressure (as spring)
standard
with handle
1) standard option
Maximum flow
9.2. MATERIALS
Parts in contact with the product
Other steel parts
Seals in contact with the product
Internal surface finish
External surface finish
9.3. SIZES AVAILABLE
DIN EN 10357 serie A
(formerly DIN 11850 serie 2)
ASTM A269/270
(corresponds to OD pipe)
Connections
9.4. WEIGHTS OF OVERFLOW VALVE 74700
22
1000 kPa (10 bar)
121ºC (250ºF) EPDM seals
0 - 300 kPa (0 - 3 bar)
0 - 600 kPa (0 - 6 bar)
0 - 1000 (0 - 10 bar)
0 - 300 kPa (0 - 3 bar)
0 - 600 kPa (0 - 6 bar)
DN
25
Maximum flow
10
[m
/h]
3
OD
Maximum flow
[m
/h]
3
1.4404 (AISI 316L)
1.4307 (AISI 304L)
EPDM, FPM, PTFE/FPM
bright polish Ra ≤ 0,8 μm
matt
DN 25 - DN 80
OD 1'' - OD 3''
weld, male, clamp
DN
25
32
40
50
65
80
1''
1½''
2''
2½''
3''
1) connection weld/weld
1
32
40
50
12
15
20
1''
1½''
2''
2½''
10
15
20
35
WEIGHT (kg)
Valve with
Standard
valve
1
handle
2,0
2,1
2,1
2,2
2,8
2,9
3,8
3,9
6,4
6,5
8,6
8,8
2,0
2,1
2,8
2,9
3,9
4,0
6,3
6,4
8,6
8,7
65
80
35
55
3''
55
INOXPA S.A.U.
10.207.30.07EN · (0) 2023/11
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