universal valve 中文意思是什麼
universal valve
解釋
通用電子管-
There are the production lines established of intermediate - frequency melting, silicasol shuck, precision casting and metal ceramic, and 250 universal devices suck asvacuum melting electric furnaces, high - temperature and intermediate - temperature heat treatment electric furnaces, digitai - control lathes, milling and drilling machines, coreless millers, spherical surface millers, standing milling machines and so on, lt has established the central measuring roomm physicallab, chemical lab, metallic phase lab, crack detection test lab, seat ring lab, rocker lab and ducgt trestle lab, our esported gas engine valve seat to america was rewarded the second prize in terms of sichuan high - quality product
建有中頻熔煉真空熔煉硅膠溶模精密鑄造粉末冶金生產線。有中頻電爐真空熔練電爐高中溫熱處理電爐數控車床鉆銑床無芯磨外園磨立磨等通用設備250臺套。有中心計量室物理化學金相探傷檢測及座圈搖臂導管臺架實驗室。 -
This valve uses the packing structure with the ability of self - seal, needs no constant adjustment, features very light open and close and a reliable seal an assisting sealing grease injection structure is set in the packing to have the sealing performance absolutely reliable and get a true null leak, settling the problem for the packing place of universal valves to be easiest leak outward
本閥採用帶自密封能力的填料結構，無需經常調節，開、關極為輕便，且密封性可靠，填料函處設有輔助密封油脂注入結構，密封性能絕對可靠，真正達到零泄漏；解決了通用閥門填料處最容易外漏的蔽病。 -
With the development of test - machine technology, in recent years electro - hydraulic universal material test - machine of the country inside and outside develops three different control modes : electro - hydraulic servo valve ' s control ; adopted the pressure valve ' s control with speed controller ; proportion valve ' s control of wide flux
隨著試驗機技術的進步，近年來國內外電子液壓萬能試驗機發展了三種不同控制方式：電液伺服閥控制、採用具有速度控制器的壓力閥控制和寬流量范圍的比例閥控制。 -
3. feedback or measuring signal input pvin : pvin signal is valve position signal sent from actuator linear analog quantity or resistance signal, or field measuring signal. pvin is universal division number switchable input
採用高亮度led數碼顯示和高解析度光柱顯示比例顯示，顯示方式有二種：雙屏數碼顯示雙屏數碼雙光柱顯示。
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