Siemens VVG44.40-25U Instrucciones técnicas - Página 3
Navegue en línea o descargue pdf Instrucciones técnicas para Unidad de control Siemens VVG44.40-25U. Siemens VVG44.40-25U 7 páginas. Electronic two-way valves normally closed
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VE VVG Electronic Two-way Valves
Specifications,
Continued
Valve
Composition
Operating Conditions
Agency Approvals
Physical Characteristics
Valve
Kvs
1
Cv
1/2 (15)
0.47
(0.4)
1/2 (15)
1.17
(1.0)
1/2 (15)
1.87
(1.6)
1/2 (15)
2.92
(2.5)
1/2 (15)
4.68
(4.0)
3/4 (20)
7.37
(6.3)
1 (25)
11.7
(10)
1-1/4 (32)
18.7
(16)
1-1/2 (40)
29
(25)
Siemens Industry, Inc.
Body Style
Body
Connections
Trim
1/2-inch and 3/4-inch
1-inch to 1-1/2 inch
Packing
Body Rating
Line Size/Capacity
Medium Water, glycol to 50%
Rangeability
Flow Characteristics
Leakage Rate
Medium Temperature
Maximum Inlet Pressure
Maximum Pressure Differential for
Modulating Service
Close-Off Pressure
Weight
Dimensions
Table 2. Maximum Water Capacity — US Gallons per Minute.
2
4
6
0.66
0.94
1.15
1.65
2.34
2.87
2.65
3.74
4.59
4.14
5.85
7.16
6.62
9.36
11.46
10.42
14.74
18.06
16.55
23.40
28.66
26.47
37.44
45.85
41
58
71
II to I
Pressure Differential (psi)
8
10
15
1.32
1.48
1.81
3.31
3.70
4.53
5.29
5.92
7.25
8.27
9.25
11.33
13.24
14.80
18.13
20.85
23.31
28.55
33.09
37.0
45.31
52.95
59.2
72.5
82
91
112
Technical Instructions
Document Number 155-112P25
Rev. 3 August, 2002
Globe
Bronze
Union with brass nut, composite
gasket, forged bronze tail piece with
internal NPT
or
Sweat end for use in 7/8-inch
ODcopper tubing
Stainless Steel
Bronze
Double O-ring
ANSI 125 (PN 16)
See Tables 1 and 2
See Table 1
Field selectable. See Start-up section.
0.02% of Cv
36 to 248°F (2 to 120°C)
232 psig (1600 kPa)
See Table 1
See Table 1
UL
UL873
C-UL
Certified to Canadian
Standards
CSA C22.2 No. 24-93
See Figure 6
See Figure 6
20
25
30
2.09
12.34
2.56
5.23
5.85
6.41
8.37
9.36
10.25
13.08
14.63
16.02
20.93
23.40
25.63
32.96
36.86
40.37
52.32
58.5
64.08
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—
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40
50
2.96
3.31
7.40
8.27
11.84
13.24
18.50
20.68
29.60
33.09
46.62
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