burkert手動底部排放閥3235特點：

1. *的外殼，沒有焊縫
2. 通過隔膜將介質(zhì)與驅(qū)動裝置嚴(yán)格分離
3. 不銹鋼或塑料制手動驅(qū)動裝置
4. 帶有壓合接頭或焊接接頭的不銹鋼一體式外殼

burkert手動底部排放閥3235技術(shù)參數(shù)：

Orifi ce DN 15-100
Body materials Stainless steel 1.4435BN2 / ASME BPE
Fe < 0,5% / C < 0,03%
Diaphragm materials EPDM, PTFE/EPDM, advanced PTFE
Actuator materials PPS (PA on request)
Pilot air ports Stainless steel 1.4305
Surface fi nish Ra [μm]

internal
Ra [μlnch]
internal
Ra [Grit #]
internal
satin fi nished 0.5 20 240
electro polished 0.4 16 280
mirror fi nished 1) 0.25 10 330
Media temperature -10 °C to +130 °C (briefl y up to +150 °C)
Ambient temperature

 Actuator size < 100 mm
 Actuator size > 100 mm
+5 °C to +140 °C
+5 °C to +90 °C (briefl y up to +140 °C)
(-10 °C to +60 °C with PA actuator)