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Burkert – Type 8635 – Digital Electro Pneumatic SideControl Positioner

  • Compact and robust design
  • ATEX II 2 (1) G Ex ia IIC T6 Gb
  • Easy to start using TUNE-Function
  • Optionally with integrated process controller
  • Dynamic positioning system with no air consumption in controlled state
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Digital electropneumatic Positioner SideControl

The SideControl Positioner Type 8635 is an electropneumatic positioner for pneumatically actuated process valves with linear or part-turn actuators. It is excuted in two conductor technology.

Signal processing, control and actuation of the internal positioning system are accomplished with microprocessor controlled electronics. The software function Autotune implemented therein enables automatic adaptation of the positioner to the control valve in use. The positioner is parametrized and operated comfortably via three operating keys and a plain-text display. It is possible to set up a decentralized control system if a process controller with PID characteristics is used.

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type 8635

BURKERT TYPE 8635 สามารถใช้ได้ร่วมกับ

General Technical Data

Product Properties
Dimensions Weight
Detailed information can be found in chapter “2. Dimensions” on page 5. 
Weight
Ca. 1.5 kg
Body material
Aluminium, hard anodised and plastic-coated
Seal material NBR, Neoprene
Other exterior partsmaterial Stainless steel V4 A
Display operation
Single-line display (inside housing)
Operating keys operation  Membrane keypad with 3 keys
Commissioning initialisation positioner/process controller Automatic through TUNE-function (self-tuning of positioner and PID parameters)

Position Sensor
Integrated Position sensor (NAMUR)
High-resolution conductive plastic rotary potentiometer
External remote position sensor Linear
Measuring range for rotary actuators
Rotation angle: 0…120°
Stroke range for linear actuators
3…130 mm, depending on the lever of the attachment kit

Electrical Data
Operating voltage
Over setpoint signal 4…20 mA, 2-wire technology
Power consumption  < 0.5 W
Digital output
2 binary outputs (optional), galvanically isolated 1 output (optional)
Analogue outputs 4…20 mA (galvanically isolated)
Setpoint signal: Setpoint value setting default
4…20 mA
Load voltage
 <10.2 V DC
Setpoint signal 4…20 mA
Electrical connection: NAMUR Version
Cable gland: 2x M20 × 1.5 (cable-Ø 6…12 mm) on screw terminals (0.14…1.5 mm2)
Electrical connection: Version with external position sensor for direct mounting on control valve Type 27xx
 Cable gland: 2x M20 × 1.5 (cable-Ø 6…12 mm) on screw terminals
(0.14…1.5 mm2) and pre-assembled cable rfor remote position sensor, length 0.3 m
Electrical connection: Remote version in combination with control valve Type 23xx
 Cable gland: 2x M20 × 1.5 (cable-Ø 6…12 mm) on screw terminals (0.14…1.5 mm2) and pre-assembled cable for remote position sensor, length 2.5 m

Pneumatic Data
Dust content control medium
Neutral gases, air, quality class acc. to ISO 8573-1 Class 7 (< 40 μm particle size)
Particle density control medium Class 5 (<10 mg/m3)
Pressure dew point control medium Class 3 (<- 20 °C)
Oil content control medium Class X (<25 mg/m3) 
Mesh size air supply filter
 Exchangeable; ca. 0.1 mm
Supply pressure air supply filter 1.4…6 bar
Pilot air ports air supply filter
Threaded connection G 1⁄4 (NPT 1⁄4; RC 1⁄4 on request)
Control air temperature
-25…+60°C

Actuating System
Circuit function
 Single-acting
Actuating system air flow rate
 Aeration and ventilation 55 l/min at 1.4 bar 170 l/min at 6 bar
QNn =110 lN/min
Internal air consumption
0 l/min
Linear actuator setting range
3…130 mm
Rotary actuators setting range 30…120°

Approvals and Certificates
Protection class
III acc. to DIN EN 61140
Conformity EMC directive 2014/30/EU
Ignition protection II 2 (1) G Ex ia IIC T6 Gb acc. to EN 60079-0:2012 and EN 60079-11:2012
ATEX PTB 04  ATEX 2027
IECEx IECEx PTB 04.0016
CCC (China Compulsory Certificate) For devices with Ex approval

Environment and Installation
Installation and mechanical data: Installation variants NAMUR acc. to IEC 60534-6-1 resp. VDI/VDE 3845 (IEC 60534-6-2), remote
Installation and mechanical data: Installation position As required, display above or sideways
Installation and mechanical data: Valve actuator (type and size) Rotary and linear actuators acc. to NAMUR, ELEMENT Type 2301, 2300 (Actuator size Ø 70/90/130 mm) and CLASSIC (Actuator size Ø 175/225 mm) in combination with remote version
Installation and mechanical data: Linear Actuator adapter kits Acc. to IEC 60534-6-1
Installation and mechanical data: Rotary actuators adapter kits Acc. to VDI/VDE 3845 (IEC 60534-6-2)
Operating conditions: Ambient temperature (max.)
-25…+60°C
Operating conditions: Degree of protection
IP65 acc. to EN 60529
Operating conditions: Operating altitude Up to 2000 m above sea level

*For selecting the correct product please refer to the technical data, images and notes for proper use according to the data sheet, or contact Flu-Tech directly.

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  02-384-6060 (อัตโนมัติ)    [email protected]    บริษัท ฟลูเทค จำกัด Flu-tech    @flutech.co.th