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Ecsis German original pressure differential table, electric contact pressure gauges, diaphragm pressure gauge, stainless steel pressure gauge, ultra-high pressure manometer; pressure transmitter, temperature transmitter; pressure sensors, force sensor, weighing sensor, temperature sensor; dual metal thermometer, FarEasTone thermometer, thermal resistance, thermocouple thermometer; fretting pressure switches, pressure switches magnetron, mechanical, electronic pressure switches, etc..

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The production of various specifications of models of the general pressure gauge, pressure gauge in high pressure, pressure controller, pressure gauge controller, seismic pressure gauge, pressure gauge earthquake-resistant, resistance FarEasTone pressure gauge, dual scale pressure gauge calibration and three, stainless steel pressure gauge pressure recorder, oxygen pressure gauge, a wind pressure gauge diaphragm pressure gauges, diaphragm pressure gauges, diaphragm pressure gauge, pressure gauge needle, explosion-proof electric contact pressure gauges, explosion-proof induction type contact pressure gauge, ultra-high pressure manometer.

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In pressure of influence underbalanced drilling,such as drilling fluid column pressure,annulus pressure,underbalance pressure,wellhead back pressure and formation pressure etc.,the formation pressure is basic pressure.Because all pressure calculations are built on the basic pressure.

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When entering the diaphragm pressure on the top of the control room to the atmosphere or water by the downstream area of low pressure, the role of the bottom plate in the valve and the pressure below the diaphragm on the pressure value is greater than the top, so the main valve disc to the fully open position; when entering the diaphragm pressure above the control room can not water the lower reaches of the atmosphere or area of low pressure, the role of the diaphragm on the top of the pressure value is greater than the pressure below the value, so will the main valve pressure valve set to fully closed position; when the diaphragm pressure above the value of the control room at the entrance of the middle pressure and outlet pressure, the main valve in the regulator valve on the disk, and its regulation depends on the location of the needle-catheter system and adjustable valve guide of the role of joint control.

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When entering the diaphragm pressure on the top of the control room to the atmosphere or water by the downstream area of low pressure, the role of the bottom plate in the valve and the pressure below the diaphragm on the pressure value is greater than the top, so the main valve disc to the fully open position; when entering the diaphragm pressure above the control room can not water the lower reaches of the atmosphere or area of low pressure, the role of the diaphragm on the top of the pressure value is greater than the pressure below the value, so will the main valve pressure valve set to fully closed position; when the diaphragm pressure above the value of the control room at the entrance of the middle pressure and outlet pressure, the main valve in the regulator valve on the disk, and its regulation depends on the location of the needle-catheter system and adjustable valve guide of the role of joint control.

當(dāng)進入隔膜上方控制室內(nèi)的壓力水被排到大氣或下游低壓區(qū)時，作用在閥盤底部和隔膜下方的壓力值就大于上方的壓力值91自拍秀，所以將主閥閥盤推到完全開啟的位置日韩裸体自拍视频网站免费；當(dāng)進入隔膜上方控制室內(nèi)的壓力水不能排到大氣或下游低壓區(qū)時，作用在隔膜上方的壓力值就大于下方的壓力值欧美A人精品综合在线，所以就會把主閥閥盤壓到完全關(guān)閉的位置亚洲欧美人成网站综合在线；當(dāng)隔膜上方控制室內(nèi)的壓力值處于入口壓力與出口壓力中間時，主閥閥盤就處于調(diào)節(jié)狀態(tài)成人播放日韩在线观看，其調(diào)節(jié)位置取決于導(dǎo)管系統(tǒng)中的針閥和可調(diào)導(dǎo)閥的聯(lián)合控制作用国产一级婬片A片免费无码百度。

The company has independently developed, development, production of the products have six series, more than 400 varieties, including: wire and cable series: high-temperature compensation wire, control cables, fire-retardant cables, anti-corrosion cable, power cable, 6 ~ 110KV crosslinked power cables, computer cables, silicon rubber cables, high temperature cables, fire-resistant cables, low smoke low halogen, low smoke zero halogen cables, such as the main cable tray; Temperature Instrument Series: ITS900 in line with the International Temperature Scale and IEC standards A, B-grade Thermocouple , Explosion-proof Temperature Transmitter integration, intelligent all-input temperature transmitter; Pressure / Differential Pressure Meter Series: general pressure gauges, precision pressure gauges, pressure / differential pressure switch, the general stress / Differential Pressure Transmitter, 1151 , 3051 smart capacitive pressure / differential pressure transmitter; Level Instrument Series: glass / glass level gauge, quartz glass tube liquid level, the electric-contact level gauge, magnetic liquid level transmitter, magnetic liquid level switch, input-type hydrostatic liquid level transmitter, liquid level transmitter float electricity, etc.; Flow Meters Series: All English Intelligent Vortex Flowmeter, Turbine Flowmeter; Display Instrument Series: Intelligent Control LED digital display device, Intelligent LCD screen controlled device, Guangzhu instructions figures, such as conditioning Alarm.

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Bellows Gate Valves However, in large differential pressure operating conditions, evaporation pressure has eased, the evaporator load requirements of the fluid volume decreased, but the actual situation the contrary, in the suction superheat unchanged, due to evaporation pressure has eased, the evaporator outlet pressure be reduced accordingly, pressure changes above and below the diaphragm, causing the main valve opening increases for increased fluid; but in a small pressure operating conditions, evaporation pressure rise, evaporator load demand for fluid volume increased, but the reality is that in the suction gas superheat unchanged, due to evaporation pressure rise, a corresponding increase in the evaporator outlet pressure, pressure difference above and below the diaphragm smaller, so that the main valve opening decreased for the reduction of liquid volume; in variable load is all about.

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However, in large differential pressure operating conditions, evaporation pressure has eased, the evaporator load requirements of the fluid volume decreased, but the actual situation the contrary, in the suction superheat unchanged, due to evaporation pressure has eased, the evaporator outlet pressure be reduced accordingly, pressure changes above and below the diaphragm, causing the main valve opening increases for increased fluid; but in a small pressure operating conditions, evaporation pressure rise, evaporator load demand for fluid volume increased, but the reality is that in the suction gas superheat unchanged, due to evaporation pressure rise, a corresponding increase in the evaporator outlet pressure, pressure difference above and below the diaphragm smaller, so that the main valve opening decreased for the reduction of liquid volume; in variable load is all about.

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