BURKERT電磁閥0117系列,BURKERT
BURKERT電磁閥從機械式流量計到電子技術流量計的革新是流量計重要的發展趨勢之一。電磁流量計、超聲波流量計、渦街流量計和V錐流量計(孔板流量計)利用電氣原理工作,從而避免了機械流量計工作中需要更換的運動機件。同時,自診斷功能被引入流量計中,使得流量儀表不僅僅是簡單的測量工具,更多地為了系統維護的目的,例如:空管道偵測和自檢驗等。并且,在電子流量計中結合的通信技術后,使得控制人員能夠遠程實時獲取生產現場的流量數據和歷史數據。
。接通時,磁芯受到吸引,由此克服彈簧力。閥門特別適合流量很小的、液態或氣態的侵蝕性介質。
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緊湊型設計
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低電功率消耗
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開關時間短
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帶有隔膜的升降式銜鐵閥
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適合侵蝕性介質
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BURKERT電磁閥0117系列,BURKERT
2/2-way-mini Solenoid Valve
Type 117 is a normally-closed direct-acting
plunger-type solenoid valve with PTFE-coated
diaphragm. The diaphragm isolates the fluid
from the solenoid system.
When deenergized (in circuit function A)
the valve is closed by spring action. When
energized, the solenoid armature is drawn
in 2/2-Way, G 1/8, UNF 1/4-28 Fluid
Co
ntrol Systems against a spring to open
the valve. The solenoid epoxy encapsulation
efficiently dissipates the heat generated by
the coil.
? Compact design
? Low electrical power co
nsumption
? Short respo
nse times
? Hermetically sealing isolating diaphragm
? Non-me
tallic valve internals
Technical data
Body material ETFE (TEFZEL)
Seal material PTFE with EPDM - PTFE with FKM
Media PTFE/EPDM: alkalis, acids to medium concentration,
washing- and bleaching lyes
PTFE/FKM: oxydizing acids and substances, salt solutions,
oils and waste gases
Medium temperature -10 ... +70 °C
Max. ambient temperature max. +55 °C
Max. viscosity 21 mm2/s
Respo
nse times
opening
closing
approx. 20 ms
approx. 20 ms
Installation as required, but preferably with solenoid system upright
Operating voltages 12 V DC, 12 V DC battery, 24 V DC, 24 V UC,
220-230 V UC
Voltage tolerance ± 10 %
Power co
nsumption 4 W
Duty cycle 100 % co
ntinuously rated
Cycling rate up to 300 c.p.m.
Protection class with cable
plug
IP 65
Electr. co
nnection Delivery standard: Cable plug DIN 43 650
Form B, 0-250 V.
Flying leads 300 mm lenght
BURKERT電磁閥0117系列,BURKERT
據Frost&Sullivan的研究,當前約89.0%的流量計采用mAHART通信協議,因為采用mAHART通信協議的流量計在安裝難度和操作要求上都低于采用現場總線協議的流量計,并且引入現場總線系統對用戶來說也是一項不小的成本。但是,隨著行業用戶不斷提高自動化水平,希望從流量測量中獲取除了流量數據以外更多的信息,比如,診斷信息和狀態檢測等,這些數據傳送都需要依賴現場總線支持。而且,西門子和艾默等廠商生正在著力推行現場總線協議的流量測量技術。相信,這必將推動現場總線協議流量計在各個行業的應用前景。
此外,無線技術流量計也正在逐步被用戶所接受,惡劣環境中的流體測量對無線技術來說是一個很好的應用空間。不過,用戶完全接受并普及無線技術流量計還需要一定的時間。
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