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USER MANUAL

PRODUCT NAME : DIFFERENTIAL PRESSURE GAUGE

MODEL : P660

Summary of Contents for P660 Series

Page 1: ...USER MANUAL PRODUCT NAME DIFFERENTIAL PRESSURE GAUGE MODEL P660 ...

Page 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...

Page 3: ...1 Introduction 2 Specification and standards 3 Structure and Function 4 Operating Principle 5 Use 6 Operation CONTENTS ...

Page 4: ...tc 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 100mm 160mm 2 Accuracy 1 6 or 1 0 of Full Scale 3 Static pressure Max 100 bar or 250 bar 4 Materials of wetted part MEASUREMENT DEVICE Duratherm600 316Ti BODY ASTM A351 CF8M CASE COVER ASTM A240 304 5 Connection type NPT1 4 F 6 ...

Page 5: ... to which a measurement device is mounted Differential pressure gauge body Impulse pipe 3 WAY or 5 WAY MANIFOLD 160mm A device that releases air from the piping to the outside in pressure transducing FUNCTION Differential pressure scale plate Zero adjustment screw Connection tube for the differential pressure gauge body and 5 way manifold Adjust zero point according to the mounting position A devi...

Page 6: ...es 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 diapgragm high pressure side and low pressure side is made to be separated And a uniform moving distance is made to occur by diaphragm s characteristic according to the differential pressure r...

Page 7: ...g water 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...

Page 8: ... 3 Before operating other valves make sure 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 6 2 In case of DP gauge is malfunctioning release Equalizer valve Then close LP val...

Page 9: ...t 3 Before operating other valves make sure 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 6 4 In case of DP gauge is malfunctioning release Equalizer valve Then close LP va...

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