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BURKERT膜片閥0262系列結(jié)構(gòu)緊湊，密封性好

點(diǎn)擊次數(shù)：865 發(fā)布時(shí)間：2017/9/22

提供商：	寶德氣動(dòng)（上海）有限公司	資料大小：	PNG
圖片類型：	PNG	下載次數(shù)：	144 次
資料類型：	PDF	瀏覽次數(shù)：	865 次
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BURKERT膜片閥0262系列這種外部控制的直通閥經(jīng)由氣動(dòng)操作。它由一個(gè)隔膜驅(qū)動(dòng)裝置和一個(gè)二通閥套構(gòu)成。隔膜驅(qū)動(dòng)裝置能夠使主軸連同閥錐朝彈簧的方向運(yùn)動(dòng)，進(jìn)而接通閥門。主軸設(shè)計(jì)有雙層密封件，但沒(méi)有壓蓋。驅(qū)動(dòng)裝置外殼由環(huán)氧樹脂構(gòu)成。

BURKERT膜片閥0262系列特點(diǎn)：
無(wú)流量時(shí)關(guān)閉或打開
外殼材料：黃銅、不銹鋼
雙主軸密封件
緊湊型結(jié)構(gòu)

BURKERT膜片閥0262系列技術(shù)參數(shù)：

Body material	Brass, stainless steel
Inner part valve	Stainless steel
Actuator	Epoxy resin
Seal material	NBR, FKM, PTFE/FKM, EPDM, PTFE/EPDM
Medium
NBR	neutral medium
	(e.g. compressed air, town gas, water, hydraulic oil)
FKM	per-solution, oxygen, hot air
EPDM	oil and fat-free medium
	e.g. hot water, alkaline washing and bleaching lyes
PTFE/EPDM	oil and fat-free medium, e.g. hot water and steam
(PFTE seal with EPDM O-Ring)
PTFE/FKM	hot oils, hydrocarbonated water, aromatics and steam
(PTFE seal with FKM O-Ring)
Viscosity	max. 100 mm²/s
Medium temperature
NBR	-10 up to + 90 ºC
FKM	-10 up to +100 ºC
EPDM	-10 up to +100 ºC
PTFE/EPDM	-10 up to +140 ºC
PTFE/FKM	-10 up to +140 ºC
Control medium	neutral gases and liquids, in particular air,
	water, hydraulic liquids up to max. +90 ºC
Pilot pressure	see diagram
Ambient temperature	-10 up to +90 ºC
Installation	As required, preferably with actuator upright

Flow rate	measured at +20°C, 1 bar pressure at valve inlet
Kv value water [m³/h]:	and free outlet
Pressure values [bar]	Measured as overpressure to the atmospheric pressure
Response times [ms]:	Measured at valve outlet at 6 bar and +20ºC.
Opening	Pressure relief 0 90%
Closing	Pressure drop 100 to 10%

BURKERT膜片閥0262系列結(jié)構(gòu)緊湊，密封性好

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