德国BURKERT二位二通不锈钢隔膜阀主要特征
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 Mechanical or inductive limit switches register the position of the valve und gives an electrical  feedback signal to the control system.
linear or quarter-turn actuator (Types 2000, 2002, 2012, 2030, 2031, 2031K, 2050, 2652, 2655, 2658, 2672, 2675).
 shutter 2-wire with LEDs) NAMUR Inductive limit switches (8.2 V DC, 2-wire with LEDs)
The design has been optimized for easy installation (retro-? tting), commissioning and  operation. 
? Complete modular designed accessory program  
Besides the electrical  position feedback signal the position of the valve is  visually shown  via LEDs.
The housing is easy to clean and features proven electrical
和由冷变形不锈钢管构成的阀体。PA 或 PPS 材料的驱动装置。
Installation as required, preferably with actuator in upright position Protection type IP65 and IP67 according to EN 60529, Type 4X Protection class 3 acc.
? More for less - optimal configuration costs
Type 1060 Position feedback (Actuator ? 50-225) Change-over contact Adapters for proximity switches Adapter for proximity switches
 M12 x 1 (fastening angle) Adapter for proximity switches (Nipple with thread M12x1) Type 1071 External magnet inductive position feedback (Actuator ? 50-125)
 PNP Stroke limitation (Actuator ? 50-225)
 Max. upper stroke limitation, without optical position indicator Max. and Min. stroke limitation, with optical position indicator
 to DIN EN 61140 Conformity EMC directive 2014/30/EU Ignition protection II 3D Ex tc IIIC T135 oC Dc II 3G Ex nA
带有连接套头、压合接头或焊接接头的不锈钢外壳
IP protection and chemicallyresistant materials for use in hygienic processing, in food, beverage and pharmaceutical industries.
Type 8697, electrical position feedback
Schlie?er (2-wire) with LEDs Stroke range valve spindle 2 to 36 mm Ambient temperature -20 to +60 oC (without ATEX or for II 2G Ex ia IIC T4 Gb)
0 to +55 oC  (II 3D Ex tc IIIC T135oC Dc, II 3G Ex nA IIC T4 Gc) 0 to +55 oC (II 2D Ex ia IIIC T135°C Db IP64, II 2G Ex ia IIC T4 Gb)
The electrical position feedback Type 8697 is optimised for integrated mounting on the CLASSIC 20XX series.
坚固的通用驱动装置，具有?？榛浼盗?br /> Technical Data Material - Body   Cover   Sealing
Operating voltage Micro switch
24 V Version: 0 – 48 V AC/DC, max. 2A 230 V Version: 50 – 250 V AC/DC, 
Type 2XXX can be combined with...
Technical data Type 8697  Electrical position feedback  (Actuator ? 20 bis 225)
Mechanical limit switches (0 to 48 V or 50 to 250 V AC/DC) Inductive limit switches (24 V DC, PNP shutter 3-wire with LEDs) Inductive limit switches  (24 V DC,
现场控制的隔膜阀，带有气动的活塞驱动装置
IIC T4 Gc II 2D Ex ia IIIC T135 oC Db IP64 II 2G Ex ia IIC T4 Gb Approval cULus certi? cate no. E238179 Electrical connection Multipole Cable gland M12,
 8-pole M16x1.5 SW22 (cable  4 -8 mm), terminal screws 0.14 bis 1.5 mm2   Supply voltage according to UL  NEC Class 2 for versions with cULus approval.
 ? Increase system and operational safety
通过隔膜将介质与驱动装置严格分离
The ? exible, easily accessible concept of modular accessories has been designed to cover individual application requirements in a cost-effective way. 
? Easy maintenance and commissioning
 max. 2 A 10 to 30 V DC - max.100 mA per initiator Position feedback 2x micro switch (0 – 48 V AC/DC, max.
2 A)  2x micro switch (50 – 250 V AC/DC, max. 2 A)  2x initiator (24 V DC),
PNP shutter 3-wire with LEDs 2x initiator NAMUR (8.2 V DC) (2-wire) with LEDs 2x initiator (24 V DC),
可实现自排空安装
Accessories for pneumatic stroke and rotary actuators – CLASSIC and ELEMENT process valves
The modular designed accessory option package is the comprehensive addition to the Bürkert process valves with pneumatic,
 Manual override (Actuator ? 50-125) With visual position indication for valve operation
 when pressure drops NAMUR-Adapter (Actuator ? 50-125) Adapter plate with screw connection for pilot valve
Type 210X ELEMENT Process valve
有利于流动且无死角的外壳

德国BURKERT二位二通不锈钢隔膜阀主要特征