上海乾拓貿(mào)易有限公司
企業(yè)QQ:2880626086
手機;17302157802(微信)
郵箱:17302157802@163.com
傳真;021-39947181
聯(lián)系人:楊艷鳳
上海市嘉定區(qū)江橋鎮(zhèn)嘉涌路99弄6號713室
Features
? Designed for high flow piloting with no minimum
operatinix “EF” or, for Explosionproof Stainless Steel trim and hub
on Brass-Bodied valves, add “EV” to catalog number.)
See Optional Features Section for other available options.
% ^ )
氣等帶來的眾多不良影響
會損壞系統(tǒng)及降es, chemical processing
? Balanced Poppet construction for high flow at
minimum power levels
? PTFE rider rings and graphite-filled seals reduce
friction and eliminate sticking to provide
exceptional service life
? 3里氣袋的形成;熱水循環(huán)不暢通不平衡,使某些散熱器局
部不熱;管道帶氣運行時的噪聲;循環(huán)泵的渦空現(xiàn)象。所
以系統(tǒng)中的廢氣必須及時排出,運用自動排氣
閥可解決這些問題。F (Safe Failure Fraction) accor
ding to IEC 61508-2 Table A1 is ≥ 0.99.
Watt Rating and Power
Consumption Spare Coil Part Number
DCSIL (Safety Integrity Level) Information:
? PFD (Probability of Failure on Demand) <4x10-7
at a confidence factor of 95%.
? SF氣閥是一種安裝于系統(tǒng)架構(gòu)的控制器,
用來釋放供熱系統(tǒng)和供水管道中產(chǎn)生的氣穴的閥門
。暖通系統(tǒng)及暖通空調(diào)系統(tǒng)在運行過程中,水在加
熱時釋放的氣體如氫氣、氧
Watts16 Stainless Steel construction for highly
corrosive atmospheres
? Available with manual reset
See Special Service Section
Balanced Poppet Type
High Flow Direct Acting Valves
熱效應,這些氣體如不能及時排掉
會產(chǎn)生很多不良后果。諸如由氧化導致的腐蝕;散熱器
021-39526589
網(wǎng)址:shswe.cn
地 址:上海市嘉定區(qū)嘉涌路99弄
6號樓713室