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)
化工儀器網(wǎng)
