Instrumentation and Process Control: Electrostatic Precipitator ESP and Pre-Heater Blow Tanks Pressure Gauges

List of WIKA Pressure Gauges:

Items: Pressure gauge
Bourdon tube pressure gauge, stainless steel series
Manufacturer: Wika
Model: 232.50
Measuring system: Stainless steel
Case: Stainless steel with pressure vent
Bezel ring: Cam ring (bayonet type), stainless steel
Accuracy class: NS63: class 1.6; NS 100/160: class 1.0
Nominal size: 100 mm
Scale range: 0 kPa...400 kPa
Process connection: Diaphragm seal
Connector position: Lower mount
Window: Laminated safety glass
Pointer: Standard black
with integrated Alarm Contact, Electronic Sensor Series Model 830 E
first switch operation: breaks (2)
second switch operation: breaks (2)
Electrical connection: plug sidewise
Flange type: Flushed diaphragm
Model: 990.27
Process connection: ANSI 2” class 150# RF
Material of wetted parts: Stainless steel 316 series
Assembly: Direct assembly with PTFE lining
Fill fluid: KN2 Silicon oil

Items: Pressure gauge
Bourdon tube pressure gauge, stainless steel series
Manufacturer: Wika
Model: 232.50
Measuring system: Stainless steel
Case: Stainless steel with pressure vent
Bezel ring: Cam ring (bayonet type), stainless steel
Accuracy class: NS63: class 1.6; NS 100/160: class 1.0
Nominal size: 100 mm
Scale range: -10 kPa...10 kPa
Process connection: G ½ B (male), 22mm flats
Connector position: Lower mount
Window: Laminated safety glass
Pointer: Standard black
with integrated Alarm Contact, Magnetic Snap-Action Contacts, Model 821.3, SPDT
Electrical connection: plug sidewise
Maximun contact rating with non-inductive load
Maximum voltage: 250 V
Current ratings: Make rating: 1.0 A; Break rating: 1.0 A; Continous load: 0.6 A
Maximum load: 20 W 20 VA
No of contact sets: 1
Switch version: L
Liquid filling: Glycerine 99.7%

Item: Pressure gauge
Bourdon tube pressure gauge with liquid filling and stainless steel series
Manufacturer: Wika
Model: 233.50
Design: EN 837-1
Nominal size: 100 mm
Accuracy class: NS 100: 1.0
Scale range: 0 … 15 bar
Working pressure: Steady: full scale range
Operating temperature: Ambient: -20 … + 60 °C gauges with glycerine filling
Temperature effect: When temperature of the pressure element deviates from reference temperature (+20 °C): max. +0.4 %/10K of treu scale value
Ingress protection: IP65 per EN 60 529/IEC 529
Pressure connection: Stainless steel 316L
Connector position: Lower Mount (LM); NS 100 mm: G ½ B (male), 22 mm flats
Movement: Stainless steel
Dial: White aluminium with black lettering
Pointer: Black aluminium
Case: Natural finish stainless steel, with pressure relief in case back.
Window: Laminated safety glass.
Bezel ring: Cam ring (bayonet type), natural finish stainl. Steel.
Liquid filling: Glycerine 99.7%

Saturday, October 25, 2008

Electrostatic Precipitator ESP and Pre-Heater Blow Tanks Pressure Gauges