Cameron Pow-R-Seal WKM 109 Handbuch für Installation, Betrieb und Wartung - Seite 12

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LOW TEMPERATURE PRECAUTIONS

Prior to exposure to freezing temperatures it is highly
recommended the valve be drained.
Water that may be trapped in the body cavity could
freeze and impair the operation of the valve o
damage the valve.
If the valve has a grease fitting in the lower drain,
a sufficient amount of anti-freeze injected into the
body cavity via the lower drain grease fitting will
prevent accumulated water from freezing.
VOLUME OF ANTI-FREEZE (ETHYLENE GLYCOL) TO PREVENT FREEZING
Minimum Expected
Temperature Value
(Percent Anti-Freezed)
2"
2 ½"
3"
4"
6"
8"
10"
12"
14"
16"
18"
20"
22"
24"
26"
28"
30"
36"
Installation, Operation and Maintenance Manual
18°F / -8°C
13° / -11°C
(18%)
(23%)
0.3 Gallons
0.3 Gallons
(1.0 Liters)
(1.3 Liters)
0.3 Gallons
0.3 Gallons
(1.0 Liters)
(1.3 Liters)
0.4 Gallons
0.5 Gallons
(1.4 Liters)
(1.7 Liters)
0.5 Gallons
0.7 Gallons
(2.0 Liters)
(2.6 Liters)
1.0 Gallons
1.2 Gallons
(3.8 Liters)
(4.5 Liters)
1.8 Gallons
2.3 Gallons
(6.8 Liters)
(8.7 Liters)
2.7 Gallons
3.5 Gallons
(10.2 Liters)
(13.1 Liters)
4.0 Gallons
5.1 Gallons
(15.0 Liters)
(19.2 Liters)
5.4 Gallons
6.9 Gallons
(20.4 Liters)
(26.1 Liters)
7.4 Gallons
9.4 Gallons
(27.9 Liters)
(35.7 Liters)
9.9 Gallons
12.7 Gallons
(37.5 Liters)
(48.0 Liters)
12.4 Gallons
15.9 Gallons
(47.0 Liters)
(60.0 Liters)
14.8 Gallons
18.9 Gallons
(55.9 Liters)
(71.4 Liters)
18.0 Gallons
23.0 Gallons
(68.1 Liters)
(87.1 Liters)
22.5 Gallons
28.8 Gallons
(85.2 Liters)
(109 Liters)
27.7 Gallons
35.4 Gallons
(105 Liters)
(134 Liters)
34.6 Gallons
44.2 Gallons
(131 Liters)
(167 Liters)
96.3 Gallons
123 Gallons
(365 Liters)
(466 Liters)
It is also advisable to inject a sufficient amount of
valve lubricant into the grease fittings of the valve
and operator (if present) prior to extended cold
temperatures exposure.
Trapped water should be drained from stem
extensions. Some stem extensions in the field are
equipped with plastic plugs that can be removed to
drain trapped water from the piped extension.
7°F / -14°C
8°F / -22°C
(28%)
(37%)
0.4 Gallons
0.6 Gallons
(1.6 Liters)
(2.1 Liters)
0.4 Gallons
0.6 Gallons
(1.6 Liters)
(2.1 Liters)
0.6 Gallons
0.7 Gallons
(2.1 Liters)
(2.8 Liters)
0.8 Gallons
1.1 Gallons
(3.2 Liters)
(4.2 Liters)
1.4 Gallons
1.9 Gallons
(5.3 Liters)
(7.2 Liters)
2.8 Gallons
3.7 Gallons
(10.6 Liters)
(14.0 Liters)
4.2 Gallons
5.6 Gallons
(15.9 Liters)
(21.0 Liters)
6.2 Gallons
8.1 Gallons
(23.3 Liters)
(30.8 Liters)
8.4 Gallons
11.1 Gallons
(31.8 Liters)
(42.0 Liters)
11.5 Gallons
15.2 Gallons
(43.5 Liters)
(57.4 Liters)
15.4 Gallons
20.4 Gallons
(58.3 Liters)
(77.0 Liters)
19.3 Gallons
25.5 Gallons
(73.1 Liters)
(96.6 Liters)
23.0 Gallons
30.3 Gallons
(86.9 Liters)
(115 Liters)
28.0 Gallons
37.0 Gallons
(106 Liters)
(140 Liters)
35.0 Gallons
46.3 Gallons
(132 Liters)
(175 Liters)
43.1 Gallons
57.0 Gallons
(163 Liters)
(216 Liters)
53.8 Gallons
71.0 Gallons
(204 Liters)
(269 Liters)
150 Gallons
198 Gallons
(567 Liters)
(749 Liters)
12
E N G I N E E R E D & P R O C E S S V A L V E S
28°F / -33°C
(48%)
0.7 Gallons
(2.7 Liters)
0.7 Gallons
(2.7 Liters)
1.0 Gallons
(3.6 Liters)
1.4 Gallons
(5.5 Liters)
2.4 Gallons
(9.1 Liters)
4.8 Gallons
(18.2 Liters)
7.2 Gallons
(27.3 Liters)
10.6 Gallons
(40.0 Liters)
14.4 Gallons
(54.5 Liters)
19.7 Gallons
(74.5 Liters)
26.4 Gallons
(100 Liters)
33.1 Gallons
(125 Liters)
39.4 Gallons
(149 Liters)
48.0 Gallons
(182 Liters)
60.0 Gallons
(227 Liters)
73.9 Gallons
(280 Liters)
92.2 Gallons
(349 Liters)
257 Gallons
(972 Liters)
02/2011 / IOM-WKM-GATE-PRS-01