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To measure the steam vapor (super atmospheric pressure) of liquefied petroleum gas at the measuring range of 37.8- 80°C
LPG is a unique tester for the automatic vapor pressure determination of Liquefied Petroleum Gases (LPG) and natural
Petroleum Gases (NPG) according to the latest expansion- method ASTM D6897.Test results equivalent to ASTM D1267
can be obtained by using a much smaller sample volume anda significantly shortened and simplified measuring procedure.
the instrument consists of a vapor pressure test, constant temperature water bath, temperature control, time control instrument,
an electric mixer, pressure gauge.
1. the basic composition of the vapor pressure tester for the upper chamber and the lower chamber,
er the upper chamber and the lower chamber volume ratio of 2 ± 0.03, respectively, and 4 ± 0.05.
2. the water bath for interlayer insulation box filled with insulation materials installed in the main, auxiliary heater and
an electric mixer in a water bath.Water bath is installed above the support plate placement vapor pressure tester, at one
time were placed two vapor pressure tester.
3. Temperature control, time control instrument: digital display, Measuring range of 0 to 99.9 ° C, a temperature control
accuracy: ± 0.1oC, time consciousness: 0 ~~ 999S to alarm.
4. the mixing apparatus: (leaf), the stirring shaft by the stirring motor.
5. the pressure gauge: Range: 0 ~ 2.5Mpa Level: 0.4
1. the vapor pressure of the test device by the upper chamber and the lower chamber consists of:
Upper chamber: diameter 51 ± 3mm, length 254 ± 3mm (inner wall)
lower chamber: 33 1/3% of the upper chamber and the lower chamber of a volume ratio of 2 ± 0.03
the volume ratio of 20% of the upper chamber and the lower chamber 4 ± 0.05
2.constant temperature water bath:
Main heating power: 1500W
Auxiliary heating power: 800W
Temperature control accuracy: ± 0.1°C
3. Mixing motor power: 40W
4.the mixing motor speed: 1400 rev / min
5.the vapor pressure tester leakage pressure greater than 3.5MPa
6.the pressure gauge: 0.4 standard gauge BS150mm Specifications: 0 ~ 2.5MPa
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