burkert 2731-00550435隔膜阀

2731burkert 2731-00550435隔膜阀

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2024-04-08 07:25:38
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上海国与自动化设备有限公司

上海国与自动化设备有限公司

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产品简介

burkert 2731-00550435隔膜阀 The diaphragm control valve Type 2731 consists of a pneumatically operated piston actuator, a diaphragm and a valve body made of investment cast stainless steel.

详细介绍

burkert 2731-00550435隔膜阀 The diaphragm control valve Type 2731 consists of a pneumatically operated piston actuator, a diaphragm and a valve body made of investment cast stainless steel. burkert 2731-00550435隔膜阀 The actuator has been designed so that the stroke can be continuously changed.  This makes a favourable characteristic possible for the continuous change of the flow.

特点:

  1. 适合zui高要求的理想调节阀
  2. 通过隔膜将介质与驱动装置严格分离
  3. 坚固的通用驱动装置,具有模块化配件系列
  4. 带有连接套头、压合接头或焊接接头的不锈钢外壳

参数:

Materials Body
 Actuator
Cast stainless steel 316L/1.4435
PA polyamide (PPS on request)
Diaphragm materials EPDM (AB), PTFE/EPDM (EA)
EPDM (AD), advanced PTFE/EPDM (EU) and FKM (FF) on
request
Process medium For neutral gases and liquids, high purity, sterile
aggressive or abrasive fl uids
Viscosity Up to viscous
Surface fi nish
 internal mechanical polished
(external cast surface)


On request
 internal electro polished
(external cast surface electro polished)
(average surface fi nish)
Ra ≤ 0.8 μm
Ra ≤ 0.6 μm
Medium temperature
 EPDM (AB), PTFE/EPDM (EA)
 EPDM (AD), advanced PTFE/
EPDM (EU)
 FKM (FF)
-10 to + 130 °C (steam sterilisation +140 °C for 60min)
-5 to +143 °C (steam sterilisation +150 °C for 60min)
0 to +130 °C (not recommended for steam)
Ambient temperature -10 to +60 °C


Control medium
(for coupling with a positioner)
Instrumental air class 3 acc. to DIN ISO 8573-1
Pilot pressure 5.5 to 7 bar with actuator sizes Ø80 to 125 mm
Pilot air ports G1/4 (stainless steel)
Flow characteristic See chart p. 2

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