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詳細(xì)介紹
BURKERT膜片閥2031系列為現(xiàn)場控制的隔膜閥，帶有氣動(dòng)的活塞驅(qū)動(dòng)裝置和由冷變形不銹鋼管構(gòu)成的閥體。PA 或 PPS 材料的驅(qū)動(dòng)裝置。
BURKERT膜片閥2031系列有利于流動(dòng)且*的外殼
通過隔膜將介質(zhì)與驅(qū)動(dòng)裝置嚴(yán)格分離
堅(jiān)固的通用驅(qū)動(dòng)裝置，具有模塊化配件系列
帶有連接套頭、壓合接頭或焊接接頭的不銹鋼外殼
可實(shí)現(xiàn)自排空安裝
BURKERT膜片閥2031系列技術(shù)參數(shù)：
Port Connection | DN 4-50 |
Body material | Cast stainless steel 316 L/1.4435 |
Actuator material | PPS (PA polyamide on request) |
Pilot air ports | Stainless steel 1.4305 |
Diaphragm materials | EPDM (AB), PTFE/EPDM (EA) |
| EPDM (AD), advanced PTFE/EPDM (EU) and FKM (FF) |
| on request |
Medium | Neutral gases and liquids, high purity, sterile, aggressive |
| or abrasive fl uids |
Viscosity | up to viscous |
Surface finish | (average surface fi nish) |
internal mechanical polished | Ra ≤ 0.8 μm |
(external cast surface) |
|
internal electro polished | Ra ≤ 0.6 μm |
(external cast surface electro |
|
polished) (more on request) |
|
Media temperature |
|
EPDM (AB), PTFE/EPDM (EA) | -10 to +130 °C (steam sterilisation +140 °C for 60 min) |
EPDM (AD), advanced PTFE/ | -5 to +143 °C (steam sterilisation +150 °C for 60 min) |
EPDM (EU) |
|
FKM (FF) | 0 to +130 °C (not recommended for steam) |
Ambient temperature |
|
Actuator size < 100 | +5 to +140 °C |
Actuator size ≥ 100 | +5 to +90 °C Briefl y up to +140 °C |
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