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コントロールユニット Emerson 1805 SeriesのPDF 取扱説明書をオンラインで閲覧またはダウンロードできます。Emerson 1805 Series 8 ページ。 Relief valves

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Emerson 1805 Series 取扱説明書
1805 Series

Specifications

The Specifications section lists the specifications for the 1805 Series relief valve. The following information
is stamped on the relief valve at the factory: type number, date of manufacture, spring range, maximum inlet
pressure and maximum allowable inlet pressure.
Available Constructions
Type 1805-2: Cast iron spring case, closing cap
with 1/4 NPT vent placed over the adjusting screw.
Available in 3/4 and 1 NPT body sizes.
Type 1805-3: Cast iron spring case, closing cap
with 1/4 NPT vent placed over the adjusting screw.
Available in 1-1/2 and 2 NPT body sizes.
Type 1805-4: Cast iron spring case. Available in
3/4 and 1 NPT body sizes.
Type 1805-5: Cast iron spring case.
Available in 1-1/2 and 2 NPT body sizes.
Type 1805-7: Cast iron spring case, closing
cap with 1/4 NPT vent placed over the adjusting
screw, screen in outlet. Available in 3/4 and 1 NPT
body sizes.
Body Style
Globe body
1. The pressure/temperature limits in this Instruction Manual or any applicable standard limitation should not be exceeded.
RELIEF PRESSURE RANGE
BODY SIZE
psig
5 to 35
3/4 or 1 NPT
10 to 60
20 to 125
5 to 20
1-1/2 or 2 NPT
10 to 50
35 to 125
BODY SIZE
3/4 to 1 NPT
1-1/2 to 2 NPT
2
Table 1. Relief Set Pressure Ranges
SPRING PART NUMBER
bar
0.34 to 2.4
1B986027212
0.69 to 4.1
1B788327022
1.4 to 8.6
1B788427022
0.34 to 1.4
1D892327022
0.69 to 3.5
1D665927022
2.4 to 8.6
1E543627142
Table 2. Flow and IEC Sizing Coefficients
C
1
35
Body Sizes and End Connection Style
3/4, 1, 1-1/2 or 2 NPT
Maximum Inlet Pressure
150 psig / 10.3 bar including buildup
Relief Valve Set Pressure Ranges
See Table 1
Flow and IEC Sizing Coefficients
See Table 2
Temperature Capabilities
-20 to 150°F / -29 to 66°C
Approximate Shipping Weights
3/4 to 1 NPT bodies: 5 lbs / 2 kg
1-1/2 to 2 NPT bodies: 13 lbs / 6 kg
SPRING FREE LENGTH
SPRING COLOR
CODE
In.
Green
2.25
Silver
2.13
Blue
1.94
Red
2.94
Blue
2.50
Yellow
2.31
K
m
X
T
0.73
0.79
0.94
(1)
(1)
SPRING WIRE
DIAMETER
mm
In.
57.2
0.12
54.1
0.14
49.3
0.18
74.7
0.17
63.5
0.22
58.7
0.28
IEC SIZING COEFFICIENTS
F
F
D
0.39
0.89
0.44
mm
3.05
3.56
4.57
4.32
5.59
7.11
L