Address：No. 4-4 East West Road, Jinhu County Industrial Concentration Zone, Huaian City, Jiangsu Province
Tel：0517-86918678
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Fine and small pneumatic film regulator is a new generation of actuator developed by our company wit…
Description：
、簡介說明：">、簡介說明：">A brief introduction: ZJHP/HM seriesFine small pneumatic diaphragm control valve，由多彈簧可調(diào)零執(zhí)行機(jī)構(gòu)和低流阻套筒
、無下蓋單座調(diào)節(jié)閥組成
。">I absorb domestic and foreign advanced technology development in line with the IEC standard for a new generation of multi spring actuator, by adjustable zero actuator and low flow resistance, no sleeve cover single seat control valve.
，流通能力則大1/3
，重心低
、抗震性好，安裝簡便;性能指標(biāo)比******產(chǎn)品好
，相當(dāng)于國外CV3000系列調(diào)節(jié)閥
，廣泛用于化工
、石油、輕工、電站、冶金等工業(yè)生產(chǎn)自控系統(tǒng)中。">The volume ratio of 1/3, the weight ratio of 1/3, large flow capacity 1/3, low center of gravity, good shock resistance, convenient installation; performance than similar products, equivalent to the foreign CV3000 series valve, widely used in chemical, petroleum, light industry, power plant, metallurgy and other industrial automatic control system.
、結(jié)構(gòu)原理：">Two, structure principle: ZJHP/HM seriesFine small pneumatic diaphragm control valve
。">Accept the standard electric signal regulator (by electro pneumatic positioner or electro pneumatic converter) control signal output pressure, changing the valve opening, to change the flow of media to be transferred, the parameters of flow, pressure, temperature and liquid level adjustment, the realization of the production process automation.
，此壓力作用在膜片上產(chǎn)生推力，此推力壓縮彈簧組，并使推桿移動(dòng)而帶動(dòng)閥桿使閥芯開(關(guān))，直至推力與彈簧組被壓縮后的反力平衡而穩(wěn)定在行程的某個(gè)位置上為止。">External pneumatic pressure signal input film chamber, the pressure on the diaphragm to produce thrust, the thrust compression spring group, and the push rod to move and drive the stem to the valve open (close), anti thrust and force balance until the spring group is compressed and stable in a certain position on the trip so far.
，閥芯位移與輸入壓力信號(hào)具有一定的比例關(guān)系。">In accordance with the above principle, the spool displacement and input pressure signal in a certain proportion.
、">Three,Fine small pneumatic diaphragm control valveThe material of main parts:
。">11, Bush: 2Cr13. 、安裝調(diào)節(jié)閥總體上應(yīng)考慮以下方面：">Four, install the valve in general should consider the following aspects: 、安全:安裝過程中人員和設(shè)備的安全。">1, security personnel: the installation process and equipment safety. 2, control performance: the pressure loss of pipe system should be consistent with the pressure loss calculation parameters when considering the flow characteristics in order to ensure the required.。">Import and export should ensure that sufficient straight pipe. 、安裝位置:應(yīng)有足夠的空間便于操作人員操作(包括旁路操作)以及保證調(diào)節(jié)閥和附件的就地拆卸與維修的可能性。">Location: 3, should have sufficient space to facilitate the operation of the operator (including bypass operation) and ensure the possibility of regulating valve and accessories and maintenance of in situ disassembly.
、閥座;調(diào)節(jié)閥安裝時(shí)應(yīng)使介質(zhì)流向與閥體指示方向一致。">Before 4, the electric control valve installed in the pipeline, the pipeline should remove dirt, dust, rust and other welding of foreign material, so as not to run the seizure and damage to the valve core and the valve seat; the valve and the valve body should be consistent with the direction of medium flow indicator installation. 、調(diào)節(jié)閥組:一般在工藝過程配管中安裝切斷閥和旁路閥
，與調(diào)節(jié)閥配成閥組以適應(yīng)設(shè)備連續(xù)操作的需要。">5 group: control valve, shut-off valve and bypass valve is usually installed in the process piping, and regulating valve with the valve group in order to adapt to the continuous operation of the equipment.
，要用切斷閥隔離，用旁路閥調(diào)節(jié)。">Repair the valve, with shut-off valve isolation, the bypass valve adjustment.
。">Figure 3 recommended a regulating valve layout.
。">The dashed box said control valve.
、規(guī)格與技術(shù)參數(shù)：">Fifth, specifications and technical parameters:
、鑄鋼法蘭尺寸按JB79">Cast iron flange size by JB78, cast steel flange size by JB79
Flange form
、JB79-59標(biāo)準(zhǔn)
，可按JB/79.1-94
、JB/79.2-94、ANSI、JIS、DIN 等標(biāo)準(zhǔn)訂貨生產(chǎn)">With JB78-59, JB79-59, JB/79.1-94, JB/79.2-94, according to ANSI, JIS, DIN and other standard production orders
；">2, nominal pressure and flange connection type; 、閥體和閥內(nèi)組件材料，表面硬化處理要求；">3, the valve body and the valve component materials, surface hardening requirements;
、上閥蓋型式；">4, the valve cover type;
、流量特性；">5, flow characteristics;
，供氣壓力；">6, actuator type, gas pressure;
；">7, valve type (gas - gas - closed or open);
、手輪、減壓閥等)；">8, annex (locator, hand wheel, valve etc.);
，禁油、禁銅等；">9, special requirements, no oil, no copper etc.;
、介質(zhì)名稱；">10, medium; 、正常流量和要求***大流量；">11, the normal flow and maximum flow; 、介質(zhì)壓力，***大流量和***小流量時(shí)的進(jìn)口壓力 和出口壓力；">12, medium pressure, inlet pressure and the outlet pressure of the maximum flow and minimum flow;
、介質(zhì)溫度和比重；">13, medium temperature and proportion;
、介質(zhì)粘度，是否含有懸濁液。">14, medium viscosity, containing suspension.
