防爆電動球閥是工業(yè)自動化和過程控制的壓力線，具有性能穩(wěn)定，安裝方便，可靠，耐用等優(yōu)點(diǎn)。電動閥結(jié)構(gòu)簡單，只由少數(shù)幾個零件，材料耗用省;體積小，重量輕，體積小，安裝尺寸，驅(qū)動扭矩，壓力調(diào)節(jié)閥，簡單，快捷，只需旋轉(zhuǎn)90°即可快速啟動關(guān)閉;進(jìn)一步還具有良好的流量調(diào)節(jié)和截流密封特性，中大口徑，低壓力的適用范圍，電動球閥是占主要地位的情況的有*性。
Explosion proof electric ball valve is the pressure line of industrial automation and process control. It has the advantages of stable performance, convenient installation, reliability and durability. The electric valve has simple structure and only consists of a few parts, saving material consumption; Small volume, light weight, small volume, installation size, driving torque, pressure regulating valve, simple and fast, just rotate 90 ° to start and close quickly; Furthermore, it also has good flow regulation and closure sealing characteristics, medium and large diameter, low pressure application range, and the availability of electric ball valve is the main situation.
防爆電動球閥是工業(yè)自動化控制系統(tǒng)中的重要執(zhí)行機(jī)構(gòu)。是根據(jù)閥瓣的這種移動形式繞閥桿的軸線作旋轉(zhuǎn)運(yùn)動的閥門。閥座通口的變化是與閥瓣行程成正比例關(guān)系。主要用于截?cái)嗷蚪油ü苈分械慕橘|(zhì)，亦可用于流體的調(diào)節(jié)與控制，是工業(yè)自動化過程控制的一種管道壓元件。
Explosion proof electric ball valve is an important actuator in industrial automation control system. It is a valve that rotates around the axis of the valve stem according to the movement form of the valve disc. The change of valve seat opening is in direct proportion to the valve disc stroke. It is mainly used to cut off or connect the medium in the pipeline, and can also be used for fluid regulation and control. It is a kind of pipeline pressure element for industrial automation process control.
典型的故障，閥門，閥桿之間的彈簧和一個安裝在驅(qū)動器的行為在其門閥門往復(fù)敦促大門之一的地位，這可能是封閉的身體，控制流體應(yīng)用于活塞在干在執(zhí)行機(jī)構(gòu)克服彈簧力，從而維持在其它位置通常在開，所以作為控制條件下長期維持，當(dāng)這種結(jié)構(gòu)閥棄置在大深，和身體的壓力大大低于周圍海面壓力下降，彈簧需要足夠大，關(guān)閉閥門的力量由于身體的壓力作用就干不足夠移動門其失敗的位置。在情況下可能發(fā)生。從而減少了執(zhí)行機(jī)構(gòu)的規(guī)模增加了閥門的深評級。
Typical failure of the valve, the spring between the valve stem and one installed in the actuator acts to and fro urge the position of one of the doors in its door. This may be a closed body. The control fluid is applied to the piston in the dry actuator to overcome the spring force, so as to maintain it in other positions. It is usually open, so it is maintained for a long time under control conditions. When this structural valve is abandoned in a large depth, And the pressure of the body is much lower than that of the surrounding sea surface. The spring needs to be large enough. The force to close the valve cannot move the door to its failed position due to the pressure of the body. Under possible circumstances. This reduces the size of the actuator and increases the deep rating of the valve.
防爆電動球閥閥體可以是整體的，也可以是組合式的，安裝維護(hù)只需做到以下幾點(diǎn)：
The valve body of explosion-proof electric ball valve can be integral or combined. The installation and maintenance only need to do the following:
一、只有卸除球閥前后的壓力，才能對球閥進(jìn)行拆卸操作。
1、 Only after removing the pressure before and after the ball valve can the ball valve be disassembled.
二、球閥閥體重新裝配時螺栓一定是對稱、逐步、均勻的擰緊。
2、 When reassembling the ball valve body, the bolts must be tightened symmetrically, step by step and evenly.
三、清洗劑與球閥中的橡膠件、塑料件、金屬件及工作介質(zhì)(例如燃?xì)?等均相容。工作介質(zhì)為燃?xì)鈺r可用(GB484-89)清洗金屬零件。非金屬零件用純凈水或酒精清洗。
3、 The cleaning agent is compatible with rubber parts, plastic parts, metal parts and working medium (such as gas) in the ball valve. When the working medium is gas, metal parts can be cleaned with (gb484-89). Clean non-metallic parts with purified water or alcohol.
四、下來的單個零件可以用浸洗方式清洗。清洗時須去除一切粘附在壁面上的油脂、污垢、灰塵等。
4、 The individual parts can be washed by immersion. All grease, dirt and dust adhered to the wall must be removed during cleaning.
如果還留有未下來的非金屬件可采用干凈的綢布擦洗，防爆電動球閥可配行程限位開關(guān)、電磁閥、減壓閥及0.4-0.7MPa氣源可實(shí)現(xiàn)開關(guān)操作，并送出二對無源觸點(diǎn)信號指示閥門的開關(guān)，適合于介質(zhì)是粘稠、含顆粒、纖維性質(zhì)的場合，廣泛應(yīng)用于石油、化工、教學(xué)設(shè)備、輕工、高壓設(shè)備、制藥、造紙等工業(yè)自動控制系統(tǒng)中，作遠(yuǎn)距離集中控制或就地控制。
If there are still non-metallic parts left, they can be scrubbed with clean silk cloth. The explosion-proof electric ball valve can be equipped with travel limit switch, solenoid valve, pressure reducing valve and 0.4-0.7mpa air source to realize switching operation, and send two pairs of passive contact signals to indicate the switching of the valve. It is suitable for occasions where the medium is viscous, containing particles and fiber. It is widely used in petroleum, chemical industry, teaching equipment, light industry, high-voltage equipment, pharmacy In the automatic control system of papermaking and other industries, it is used for remote centralized control or local control.
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