601ＯＨ＝Ｖ・α(ＴH−ＴL)＝(Ｖ)・(α)･(ＴＨ)−(ＴL) ＝＿＿＿＿ＬＯＨ＝Ｖ・α(ＴH−ＴL)＝(Ｖ)・(α)･(ＴＨ)−(ＴL) ＝＿＿＿＿ＬＡＨ＝ＶＡ −１ ＝(ＶＡ)・ −１ ＝＿＿＿＿ＬＯＨ＝Ｖ・α(ＴH−ＴL)＝(Ｖ)・(α)･(ＴＨ)−(ＴL) ＝＿＿＿＿ＬＡＨ＝ＶＡ −１ ＝(ＶＡ)・ −１ ＝＿＿＿＿ＬＶＷ＝ＶＯ＋ＯＨ＋ＡＨ＝(ＶＯ)＋(ＯＨ)＋(ＡＨ)＝＿＿＿＿ＬＯＨ＝Ｖ・α(ＴH−ＴL)＝(Ｖ)・(α)･(ＴＨ)−(ＴL) ＝＿＿＿＿ＬＡＨ＝ＶＡ −１ ＝(ＶＡ)・ −１ ＝＿＿＿＿ＬＶＷ＝ＶＯ＋ＯＨ＋ＡＨ＝(ＶＯ)＋(ＯＨ)＋(ＡＨ)＝＿＿＿＿ＬＶ1＝ ＝ ＝＿＿＿＿ＬＡＨ＝ＶＡ −１ ＝(ＶＡ)・ −１ ＝＿＿＿＿ＬＶＷ＝ＶＯ＋ＯＨ＋ＡＨ＝(ＶＯ)＋(ＯＨ)＋(ＡＨ)＝＿＿＿＿ＬＶ1＝ ＝ ＝＿＿＿＿ＬＶＷ＝ＶＯ＋ＯＨ＋ＡＨ＝(ＶＯ)＋(ＯＨ)＋(ＡＨ)＝＿＿＿＿ＬＶ1＝ ＝ ＝＿＿＿＿ＬＴH＋273ＴL＋273ＴH＋273ＴL＋273ＴH＋273ＴL＋273(ＶＷ)ＴH＋2730.55ＴL＋273(ＶＷ)0.55(ＶＷ)0.55(ＶＷ)0.55ＶＷ0.55ＶＷ0.55ＶＷ0.55ＶＷ0.55(ＴＨ)＋2734) Calculate the thermal expansion of air AH (L).(ＴL)＋273(ＴＨ)＋273(ＴL)＋273(ＴＨ)＋273(ＴL)＋273(ＴＨ)＋273(ＴL)＋273Ｖ1＝ ＝ ＝＿＿＿＿ＬーーDifference between the highest and lowest fluid levelsVA＝VT － VーーーOther ProductsL Series (Dynaclean) From 20 to 120 LitersA gas relief and charge valve mounted on Dynaclean protects the tank, piping, and Dynaclean from damage due to abnormal air pressure in the sealed tank (when the tank air pressure exceeds the set pressure of the gas relief and charge valve, the valve is activated for air relief or charging). The gas relief and charge valve may be available with or without a sensor.Calculate the gas volume of Dynaclean V1 (L) as follows.1) Operating Condition2) Coefficient of thermal expansion Refer to the table on the right to determine the coefficient of thermal expansion α corresponding to the specific gravity of the fluid γ.3) Calculate the thermal expansion of oil OH (L).5) Calculate the maximum transit oil flow amount of Dynaclean VW (L).6) Calculate the gas volume of Dynaclean V1 (L).Select a Dynaclean with a nominal gas volume exceeding the calculated gas volume of Dynaclean V1 (L).A volume calculation sheet is available on page 123.6NZ-GV0.05-R10-R101Hex.46R1-1/4φ75113Oil Tank Volume (L)Total Oil Volume in Oil Tank (L)Max. Fluid Level Change (L)Air Volume in Oil Tank (L)Specific Gravity of FluidMax. Operating Temperature (℃)Min. Operating Temperature (℃)VTVVOVAγTHTLItem NumberMaximum Allowable Working Pressure (MPa)Gas Charge Set Pressure (MPa)Gas Relief Set Pressure (MPa)Specification of Gas Relief and Charge Valve SensorLoad VoltageMax. Load CurrentLength of Lead Wirewithout sensor6NZ-GV0.05-R10-R106NZ-GV0.05-R10-R101with sensor0.05−0.02 0.020.5 mRelation between Specific Gravity and Coefficient of Thermal ExpansionCoefficient of Thermal Expansion:αSpecific Gravity0.867 – 0.8740.875 – 0.8820.883 – 0.8910.892 – 0.9020.903 – 0.9120.913 – 0.9230.924 – 0.9370.938 – 0.9510.952 – 0.9640.965 – 0.9750.976 – 0.9860.987 – 1.0001.001 – 1.075 AC DC 24 V50 mA AC DC 100 V20 mA0.000770.000760.000750.000740.000730.000720.000710.000700.000690.000680.000670.000660.00063Gas Relief and Charge ValveGas Volume CalculationDetermination of the nominal gas volume
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