描述德國BURKERT氣動操作二位二通角座閥

The ? exible, easily accessible concept of modular accessories has been designed to cover individual application requirements in a cost-effective way. 
The electrical position feedback Type 8697 is optimised for integrated mounting on the CLASSIC 20XX series.
Operating voltage * Micro switch
24 V Version: 0 – 48 V AC/DC, max. 2A 230 V Version: 50 – 250 V AC/DC,   max. 2 A 10 to 30 V DC - max.
高使用壽命
package is the comprehensive addition to the Bürkert process valves with pneumatic,
linear or quarter-turn actuator (Types 2000, 2002, 2012, 2030, 2031, 2031K, 2050, 2652, 2655, 2658, 2672, 2675).
限制沖程或進(jìn)行手動應(yīng)急操作的配件。
高流量
• Easy maintenance and commissioning
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),
 and features proven electrical IP protection and chemicallyresistant materials for use in hygienic processing, in food, beverage and pharmaceutical industries.
Type 8697, electrical position feedback
在此類免維護(hù)的堅(jiān)固閥門上，可以加裝各種用于顯示位置、
• Increase system and operational safety
Type 2XXX can be combined with...
Technical data Type 8697  Electrical position feedback  (Actuator Ø 20 bis 225)
從外部控制的斜座閥由個(gè)氣動的活塞驅(qū)動裝置和個(gè)二通閥體構(gòu)成。
The design has been optimized for easy installation (retro-? tting), commissioning and  operation. 
• Complete modular designed accessory program
• More for less - optimal configuration costs
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.
經(jīng)過驗(yàn)證的、能夠進(jìn)行自動調(diào)整的主軸密封件確保了高密封性。
Technical Data Material - Body   Cover   Sealing
Type 4X Protection class 3 acc. to DIN EN 61140 Conformity EMC directive 2014/30/EU Ignition protection

描述德國BURKERT氣動操作二位二通角座閥
 II 3D Ex tc IIIC T135 ºC Dc II 3G Ex nA 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
利于流動的二位二通閥體由紅銅或精密鑄造的不銹鋼構(gòu)成，能夠?qū)崿F(xiàn)高流量值。
Type 1060 Position feedback (Actuator Ø 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 Ø 50-125) PNP Stroke limitation (Actuator Ø 50-225)
Max. upper stroke limitation, without optical position indicator Max. and Min. stroke limitation, with optical position indicator
不銹鋼或紅銅外殼，帶有套頭、夾緊式或焊接式接頭
Schließer (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) Installation as required,
 preferably with actuator in upright position Protection type IP65 and IP67 according to EN 60529,
 Mechanical or inductive limit switches register the position of the valve und gives an electrical  feedback signal to the control system. 
Besides the electrical  position feedback signal the position of the valve is  visually shown  via LEDs. The housing is easy to clean
Manual override (Actuator Ø 50-125) With visual position indication for valve operation when pressure drops NAMUR-Adapter
(Actuator Ø 50-125) Adapter plate with screw connection for pilot valve
根據(jù)環(huán)境溫度的不同，可以購買兩種不同材料（PA 和 PPS）的驅(qū)動裝置。
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, shutter 2-wire with LEDs) NAMUR Inductive limit switches (8.2 V DC, 2-wire with LEDs)