INSTRUCTION MANUAL
ITEM : DIFFERENTIAL PRESSURE GAUGE
MODEL : P670
Страница 1: ...INSTRUCTION MANUAL ITEM DIFFERENTIAL PRESSURE GAUGE MODEL P670 ...
Страница 2: ... Exceeding the temperature range may cause disruption in nearby area due to damage to the temperature indicator 5 Make sure to turn off the valve to prevent the measuring fluid leak when dismounting the gauge 6 Use a pressure gauge with no oil in an environment with hydrocarbon or oxygen Oil contained in the gauge may react with oxygen which may be flammable or explosive 7 Please always follow the...
Страница 3: ...1 Overview 2 Specification and standards 3 Structure and Function 4 Operating Principle 5 Use 6 Operation CONTENTS ...
Страница 4: ... by using orifice or for measuring the water level of storage tank The external appearance of products is shown in Fig 1 2 Specification and standards 1 Nominal diameter 160mm 2 Accuracy 1 0 or 0 5 of Full Scale 3 Static pressure Max 100 bar 4 Materials of wetted part MEASUREMENT DEVICE ASTM A240 316L ASTM B127 Monel 400 BODY ASTM A351 CF8M CASE COVER ASTM A240 304 5 Connection type NPT1 4 F 6 Acc...
Страница 5: ...er in pressure transducing in order to prevent a differential pressure gauge from being damaged Pressure measurement equipment to which a measurement device is mounted Differential pressure gauge body Impulse pipe 3 WAY MANIFOLD U bolt Air vent Mounting bracket OIL CAP REMARKS NAME Indicate pressure difference between two points and flow rate Cap of inlet through which oil is injected into case A ...
Страница 6: ...ves in the right and left direction And SHAFT and POST which is connected to the indicating part of differential pressure gauge rotates by this moving distance and indicates differential pressure 2 In case of bellows high pressure side and low pressure side is made to be separated And a uniform moving distance is made to occur by combination with spring according to the differential pressure range...
Страница 7: ...er level checking set the lower part to the high side and the upper part to the low side for the pressurizing tank but connect the lower part to the high side and open the low side to the atmosphere for the open tank for atmosphere 4 In case of corrosive fluid you must choose anticorrosive diaphragm or side diaphragm 5 In case you choose a side diaphragm and its high side and low side are not inst...
Страница 8: ...e all the air is out of the DP gauges by opening the air vent at the top of the housing left over air could cause error in measuring DP 4 Then open LP valve after opening LP valve close the Equalizing valve Then make sure it is indicating correct value now it is ready to use 2 In case of DP gauge is malfunctioning release Equalizer valve Then close LP valve now close HP valve then close equalizer ...
