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PSRQ641F型氣動調(diào)節(jié)型球閥，是在引進(jìn)*進(jìn)技術(shù)的基礎(chǔ)上進(jìn)行更新設(shè)計，精心制造的產(chǎn)品。采用電磁換向或直接在汽缸內(nèi)配置彈簧（單作用彈簧復(fù)位）及0.4~0.7Mpa氣源即可控制閥門角度運轉(zhuǎn)；以壓縮空氣為動力，實現(xiàn)閥桿帶動閥芯在閥體內(nèi)轉(zhuǎn)動90℃，可以實現(xiàn)全開——全開的轉(zhuǎn)角功能。該產(chǎn)品按其密封性能分為金屬密封與軟密封。具有結(jié)構(gòu)緊湊、體積精小、運行可靠、密封性好、維修容易、安裝方便、適應(yīng)性強等特點。特別適合于介質(zhì)是粘稠、含顆粒、纖維性質(zhì)的場合?？蓮V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。
Pageno psrq641f type of the pneumatic the ball valve type of course, is to introduce overseas advanced technology based on design, manufacture new products. the inligent control and, with domestic and international name brand electrical the locator supporting, the input signal and 4 ~ 20madc 0.5 ~ 3 7mpa source control anger may, with pressure and flow, temperature, the man waiting for the parameters of adjustment. it is for motivation, to compress air valve stem the core of the body in the 90 O, Can implement the shut - （start- close） open for the regulation of function. the product by the sealing performance into the metal seals and soft sealing. a compact structure, safeand and reliable a small volume, sealed well, easy and convenient service installed, adaptable and other characteristics. particularly suitable for the media is 粘稠, particles, the nature of the occasion. but it is widely used in oil, chemicals, teaching equipment, light and power equipment and pharmaceutical industries, paper, automatic control system, a long distance centralized control 。技術(shù)參數(shù)和性能
Technical parameter and performance一、閥 體
Body公稱通徑：15~300mm
Nominal size: 15~300mm公稱壓力：PN1.6，4.0，6.4Mpa ,10Mpa,16Mpa（需定制）,150Lb,300Lb,600Lb;
Nominal pressure: PN1.6,4.0,6.4Mpa, 10Mpa, 16Mpa （must have custom-made）, 150Lb,300Lb,600Lb;連接形式：法蘭式按JB78-59 JB79-59；
Connection form: Flange type according to JB78-59 JB79-59;材 料：WCB， HT200 ZG251 ZG1Cr18Ni9Ti,ZG1Cr18Ni12mo2Ti, 襯四氟乙烯CF8，CF8m;
Material: WCB, HT200 ZG251 ZG1Cr18Ni9Ti, ZG1Cr18Ni12mo2Ti, lining tetrafluoroethylene CF8, CF8m;溫度范圍：常溫-40℃~180℃，中溫-40℃~350℃,高溫-40OC-450OC；
Temperature range: Normal temperature --40℃~180℃，warm temperature -40℃~350℃,high temperature -40OC-450OC；填 料：V型聚四氟乙烯填料，柔性石墨。
Packing:V PTFE, Graphite
二、閥內(nèi)組件
In valve module1、閥芯型式：O型閥芯；
Valve core pattern: O valve core;2、流量特性：快開特性；
Discharge characteristic: Opens the characteristic quickly; 3、閥芯材料：1cr18Ni9TI 0017Ni12Mo2Ti；
Valve core material: 1cr18Ni9TI 0017Ni12Mo2Ti;4、閥座材料：聚四氟乙烯（PTFE），特制F金屬座；
Valve seat material: Teflon （PTFE）, specially makes the F metal place;5、可 調(diào) 比：350：1。
Adjustable ratio: 350:1.
三、執(zhí)行機構(gòu)
Implementing agency1、氣缸形式：單缸或雙缸式（單作用或雙作用）；
Air cylinder form: Simplex either two-cylinder -like （list function or double-acting）; 2、氣缸工作壓力：0.4~0.7 Mpa；
Air cylinder working pressure: 0.4~0.7 Mpa;3、氣缸開關(guān)時間: 雙作用式1~5秒；
Air cylinder switching time: Double-acting type 1~5 seconds;
4、氣缸空氣耗量: 1~131L；
Air cylinder air consumption quantity: 1~131L;
5、電磁閥電源: 220VAC，24VAC，24VDC。
Solenoid valve power source: 220VAC,24VAC,24VDC.四、流量特性KV值
Discharge characteristic KV value 公稱通徑 Nominal size（DN） | 不同開度角下的KV值Under different opening angle KV value | ||||||||
| 10° | 20° | 30° | 40° | 50° | 60° | 70° | 80° | 90° | |
| 50 | 2 | 4 | 9 | 17 | 32 | 60 | 97 | 151 | 215 |
| 80 | 6 | 11 | 22 | 44 | 83 | 155 | 250 | 389 | 550 |
| 100 | 9 | 18 | 35 | 71 | 133 | 248 | 398 | 620 | 890 |
| 150 | 20 | 40 | 80 | 160 | 300 | 560 | 900 | 1400 | 2000 |
| 200 | 36 | 72 | 143 | 286 | 737 | 1002 | 1611 | 2506 | 3580 |
| 250 | 57 | 113 | 226 | 453 | 848 | 1582 | 2543 | 3955 | 5650 |
| 300 | 81 | 163 | 325 | 651 | 1220 | 2278 | 3660 | 5695 | 8100 |
五、性能規(guī)格表
Performance specification table 動作范圍 Working range | 0-90℃ |
允許壓差 Permission differential pressure△P | 小于公稱壓力 smaller than the nominal pressure（1.6 Mpa） |
泄漏量leakage Q | 按API598標(biāo)準(zhǔn)測試 無泄漏 according to the API598 standard test Does not have divulging |
基本誤差 Basic error | 2% 帶定位器Localizer |
回差 Returns difference | 2% 帶定位器Localizer |
死區(qū) Dead area | 0.6% 帶定位器Localizer |
六、法蘭式氣動球閥安裝尺寸
