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BURKERT膜片閥0262系列結(jié)構(gòu)緊湊,密封性好

點擊次數(shù):718 發(fā)布時間:2017/9/22
提 供 商: 寶德氣動(上海)有限公司 資料大?。?/td> PNG
圖片類型: PNG 下載次數(shù): 144
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BURKERT膜片閥0262系列這種外部控制的直通閥經(jīng)由氣動操作。它由一個隔膜驅(qū)動裝置和一個二通閥套構(gòu)成。隔膜驅(qū)動裝置能夠使主軸連同閥錐朝彈簧的方向運動,進而接通閥門。主軸設計有雙層密封件,但沒有壓蓋。驅(qū)動裝置外殼由環(huán)氧樹脂構(gòu)成。

BURKERT膜片閥0262系列特點:
無流量時關(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%