德國萊克進口氣動球閥是由球閥裝配氣動執(zhí)行機構(gòu)以及氣源控制系統(tǒng)等組成。常用的氣動機構(gòu)大致可分為開關(guān)型和調(diào)節(jié)型兩大類?？筛鶕?jù)使用要求對氣動球閥配置各種附件，定制成各種不同功能的控制方式，如防爆型，常開常閉彈簧復(fù)位式以及智能調(diào)節(jié)型。

球閥選型適用原則

原文：
球閥選型適用原則： 1、石油、天然氣的輸送主管線、需要清掃管線的，又需埋設(shè)在地下的，選用全通 徑、全焊接結(jié)構(gòu)的球閥；埋設(shè)在地上的，選擇全通徑焊接連接或法蘭連接的球閥 ；支管，選用法蘭連接、焊接連接，全通經(jīng)或縮徑的球閥。?
2、成品油的輸送管線和貯存設(shè)備，選用法蘭連接的球閥。?
3、城市煤氣和天然氣的管路上，選用法蘭連接和內(nèi)螺紋連接的浮動球閥。?
4、冶金系統(tǒng)中的氧氣管路系統(tǒng)中，宜選用經(jīng)過嚴(yán)格脫脂處理，法蘭連接的固定球 球閥。?
5、低溫介質(zhì)的管路系統(tǒng)和裝置上，宜選用加上閥蓋的低溫球閥。?
6、煉油裝置的催化裂化裝置的管路系統(tǒng)上，可選用升降桿式球閥。?
7、化工系統(tǒng)的酸堿等腐蝕性介質(zhì)的裝置和管路系統(tǒng)中，宜選用奧氏體不銹鋼制造 的、聚四氟乙烯為閥座密封圈的全不銹鋼球閥。?
8、需要進行流量調(diào)節(jié)時，可選用蝸輪蝸桿傳動的、氣動或電動的帶V形開口的調(diào) 節(jié)球閥。?
9、冶金系統(tǒng)、電力系統(tǒng)、石化裝置、城市供熱系統(tǒng)中的高溫介質(zhì)的管路系統(tǒng)或裝 置上，可選用金屬對金屬密封球閥。

譯文： Ball valve selection principles： 1、Transport of petroleum and natural gas mains, needs cleaning the pipeline, and to be buried in the ground, selection of full size, full welded ball valve structure; Buried in the ground, choose the full size welded ball valve connection?or?flange connection; Branch, choose flange connection, welding connection, the menstruation?or?reducing valves.?
2、Product oil pipeline and storage equipment, use flange connection of the ball.?
3、City of coal gas and natural gas pipeline, choose floating ball valve flange connection and internal thread connection.?
4、Oxygen in the pipeline system in metallurgical system, appropriate chooses strict degreasing process, flange connection of the fixed ball ball valve.?
5、Low temperature medium pipeline system and device, appropriate chooses and cryogenic ball valve bonnet. 6、Piping system on oil refining equipment of catalytic cracking unit, can choose lifting lever type ball valve.?
7、Chemical system in acid and alkali corrosive medium, such as equipment and piping system, appropriate chooses austenitic stainless steel, teflon for stainless steel ball valve seat sealing.?
8、The need for flow control, can choose of worm gear and worm drive, pneumatic?or?electric regulating ball valve with v-shaped opening.?
9、Metallurgical system, electric power system, petrochemical plant, city heating system in high temperature medium pipeline system?or?device, can choose a metal to metal sealed ball valve.

氣動球閥的種類特點

原文： 球閥有O型球閥和V型球閥之分。O型球閥采用浮動式結(jié)構(gòu)，球芯為精密鑄件，外表鍍硬鉻處理，閥座采用增強聚四氟乙烯材料，流道口與管道 口徑相同，流通能力極大，流阻極小，關(guān)閉時無泄漏，一般做開關(guān)閥使用，特別適用于高粘度、含纖維、顆粒狀介質(zhì)；V型球閥采用固定式結(jié) 構(gòu)，球芯上開有V型切口，可實現(xiàn)比例調(diào)節(jié)，流量特為近似等百分比。 　 根據(jù)工藝設(shè)備不同可選用氣動或電動執(zhí)行機構(gòu)，分別組成氣動球閥 和電動球閥，其中氣動球閥如要實現(xiàn)比例調(diào)節(jié)須配閥門定位器，電動球閥如要實現(xiàn)比例調(diào)節(jié)須選電子式電動執(zhí)行機構(gòu)或配伺服放大器等

譯文： Classification and characteristics of ball valve There are O-type ball Open-type ball valvevalve and ball valve V-ball of points. O-type ball valve floating structure, the ball cores for precision casting, hard chromium plated suce treatment, valve seat with the enhanced PTFE, stream crossings and pipeline diameter the same as a great flow capacity, flow resistance itremely small, closed No leakage, generally done off valve to use, especially Integrated, two-section, three-section steel stainless ball valvefor high viscosity, including fiber, granular media; V-type ball valve with a fixed structure, the ball -chip has opened -notch can be adjusted to achieve the ratio, flow characteristics are similar to equal percentage. Process equipment can be selected according to different pneumatic?or?electric actuator, forming an Q91SAF-64 socket type ball valveair valve and electric valve, pneumatic valve, such as where the proportion of adjustment shall be allocated to achieve the valve positioner, electric valve, such as the proportion of adjustment required to achieve the electronic election Electric implementing agencies,?or?with servo amplifier.

氣動高壓球閥工作原理

原文： 高壓球閥它具有旋轉(zhuǎn)90度的動作，旋塞體為球體，有圓形通孔或通道通過其軸線。球閥在管路中主要用來做切斷、分配和改變介質(zhì)的流動方向， 它只需要用旋轉(zhuǎn)90度的操作和很小的轉(zhuǎn)動力矩就能關(guān)閉嚴(yán)密。球閥適宜做開關(guān)、切斷閥使用，但近來的發(fā)展已將球閥設(shè)計成使它具有節(jié)流和控 制流量之用，如V型球閥。

譯文： High pressure ball valve is rotated 90 degrees of motion, the cock body is a sphere, a circular through-hole?or?channel through its axis. The direction of the flow valve in the pipeline is mainly used for cutting, changes in media distribution, it only needs to be rotated 90 degrees rotation of the operation and a small torque can be closed tightly. The most suitable valve switch, cut off valve of use, but the recent development has been designed to make it a throttle valve and flow control purposes, such as V type ball valve.

氣動三通球閥的選型

原文： 氣動三通球閥可分為L型和T型。L型三通球閥用于介質(zhì)流向的切換，能使相互垂直的兩個通道連通。三通球閥一般采用兩閥座結(jié)構(gòu)，亦可根據(jù)用戶要求采用四閥座結(jié)構(gòu)。四閥座密封三通球閥具有造型美觀、結(jié)構(gòu)緊湊合理，它不僅可實現(xiàn)介質(zhì)流向的切換，也可使三個通道相互連通，同時也可關(guān)閉任一通道，使另外兩個通道連通，靈活控制管路中介質(zhì)的合流或分流。工作原理： 氣動三通球閥的球體分L型和T型，氣動執(zhí)行器帶動球體經(jīng)90度的旋轉(zhuǎn)動作來達到換向的控制目的，或經(jīng)180度的旋轉(zhuǎn)動作來達到換向與分流合流的控制目的。執(zhí)行器與閥體的直接連接減少了發(fā)生故障的機率。螺紋的連接適用與小管路，更加經(jīng)濟實惠。 氣動三通球閥的選型。

譯文： Pneumatic three-way ball valve can be divided into L and T. L-type three-way ball valve flow direction of medium is used to switch, can make the perpendicular two channels connected. Three-way ball valve generally adopt two seat structure, can also according to user requirements adopted four seat structure. Four seat sealing three-way ball valve has a beautiful shape, compact structure and reasonable, it can realize not only the medium flow switch, also can make the three channels connected each other, at the same time also can close any channel, make the other two channels connected, flexible control of the medium inside the pipeline rivers?or?shunt. Working principle: pneumatic three-way ball valve ball points L type and T type, pneumatic actuator drives the ball after the 90 degrees of rotation movement to achieve directional control purpose,?or?180 degrees of rotation to achieve the reversing and control goal of shunt confluence. Directlinks between the actuator and valve body, reduce the probability of failure. Threaded connections applicable and small line, more economical and practical

氣動切斷球閥的特點

原文： 氣動切斷球閥采用高精度氣動執(zhí)行器及高品質(zhì)球閥組成，屬于氣動開關(guān)球閥。氣動切斷球閥密封性能優(yōu)良，流通能力大，結(jié)構(gòu)簡單，使用壽命長，便于維修。氣動切斷球閥配用的執(zhí)行機構(gòu)具結(jié)構(gòu)簡單，緊湊，性能卓越，輸出力矩大等特點。氣動開關(guān)球閥亦配行程限位開關(guān)、電磁閥、減壓閥及0.4-0.7MPa氣源可實現(xiàn)開 關(guān)操作，并送出二對無源觸點信號指示閥門的開關(guān)。執(zhí)行器分單作用和雙作用兩種型號。單作用式的獨特優(yōu)點是一旦動力源發(fā)生故障，氣動開關(guān)球閥將按控制系統(tǒng)的要求自動處于開啟或關(guān)閉的位置。氣動切斷球閥的特點。

譯文：

Pneumatic cutting ball valve pneumatic actuator with high precision and high quality of ball valve, belongs to the pneumatic ball valve switch. Pneumatic cut-off valve sealing performance is good, large flow capacity, simple structure, long service life and easy maintenance. Pneumatic cutting ball valve with actuator has a simple structure, compact, performance is remarkable, the output torque, etc. Pneumatic switch is also prepared for travel limit switch, solenoid valve, pressure reducing valve, and 0.4 0.7 MPa gas source can be realized on off operation, and sent out to passive contact signal indicates the switch valve. Actuator cent two kinds of models of single and double action. Unique advantage of single acting is that once the power supply fails, the pneumatic ball valve switch will automatically according to the requirement of the control system in an open?or?closed position.

氣動球閥的特點及性能規(guī)范

1、流體阻力小、球閥是所有閥類中流體阻力小的一種，即使是縮徑球閥，其流體阻力也相當(dāng)小。
2、止推軸承減小閥桿磨擦力矩，可使閥桿長期操作平穩(wěn)靈活。
3、閥座密封性能好，采用聚四氟乙烯等彈性材料制成的密封圈，結(jié)構(gòu)易于密封，而且球閥的閥封能力隨著介質(zhì)壓力的增高而增大。?
4、閥桿密封可靠，由于閥桿只作反轉(zhuǎn)動運而不做升降運動，閥桿的填料密封不易破壞，且密封能力隨著介質(zhì)的壓力增高而增大。?
5、由于聚四氟乙烯等材料具有良好的自潤滑性，與球體的磨擦損失小，故球閥的使用壽命長。?
6、下裝式閥桿和閥桿頭部凸階防止閥桿噴出，如火災(zāi)造成閥桿密封破壞，凸階與閥體間還可形成金屬接觸，確保閥桿密封。?
7、 防靜電功能：在球體、閥桿、閥體之間設(shè)置彈簧，能將開關(guān)過程產(chǎn)生的靜電導(dǎo)出。

執(zhí)行機構(gòu)采用新型系列GT型氣動執(zhí)行器，有雙作用式和單作用式（彈簧復(fù)位），齒輪齒條傳動，安全可靠；大口徑閥門采用系列AW型氣動執(zhí)行器拔叉式傳動，結(jié)構(gòu)合理，輸出扭矩大，有雙作用式和單作用式
1、齒輪式雙活塞，輸出力矩大，體積小。
2、氣缸選用鋁金材料，重量輕、外形美觀。
3、可在頂部、底部安裝手動操作機構(gòu)。?
4、齒條式連接可調(diào)節(jié)開啟角度、額定流量。?
5、執(zhí)行器可選帶電訊號反饋指示及各類附件以實現(xiàn)自動化操作。?
6、IS05211標(biāo)準(zhǔn)連接為產(chǎn)品的安裝更換提供了方便。?
7、兩端調(diào)的節(jié)螺釘可使標(biāo)準(zhǔn)產(chǎn)品在0°和90°有±4°的可調(diào)范圍。確保與閥門的同步精度。

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