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BURKERT膜片阀2033系列采用无缝焊接

更新时间:2017-09-01      点击次数:2015

BURKERT膜片阀2033系列用于控制高纯度、无菌、侵蚀性或磨损性介质。这种阀门具有很小的死角体积,能够实现*的容器灌注和排空过程。阀体由一个锭块构成,该锭块无焊缝,由不锈钢制造而成。底部排放阀的法兰具有两个斜角。这种结构简化了其在容器中的定位和焊接过程。高品质的隔膜将临界性介质与伺服驱动装置密封分离。通过气动先导式阀(单个先导式阀、阀岛或控制头),可以控制气动的伺服驱动装置。控制功能 A,通过弹簧力在静止位置关闭。

 

BURKERT膜片阀2033系列技术参数:

Orifice

DN08 to DN100

Body material

Stainless steel 1.4435 acc. to BN2 / ASME BPE

 

Fe < 0.5% / C ≤ 0.03%

Port connections

 

Weld end

• DIN EN ISO 1127 / ISO 4200 / DIN 11866 Series B

 

• DIN 11850 Series 2 / DIN 11866 Series A

 

• ASME BPE / DIN 11866 Series C

Clamp

• DIN 32676 Series A (DIN tube)

 

• DIN 32676 Series B (ISO tube)

 

• ASME BPE

Surface finish (others on request)

Ra ≤ 0,5 μm (ASME BPE SF1)

• inside mechanical polished

 

 

(external Ra ≤ 1.6 μm)

• inside electro polished

Ra ≤ 0,38 μm (ASME BPE SF4 / DIN HE4)

 

(external Ra ≤ 1.6 μm)

Diaphragm materials

EPDM (AB), PTFE/EPDM (EA)

 

EPDM (AD), advanced PTFE/EPDM (EU) and FKM (FF)

 

on request

Actuator material

PPS (PA for actuator sizes ø 175/225 mm)

Medium temperatures

 

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 mm

+5 to +140 °C

Actuator size ≥ 100 mm

+5 to +90 °C (briefl y up to +140 °C, -10 to +60 °C with PA actuator)

Control medium

Neutral gases, air

Pilot pressure max.

max. 7 bar, see table on page 2

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