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9 Especificaciones del Sensor
9.9.1 Código de modelo del sensor PR-23-W
MODEL AND DESCRIPTION
PR-23 = Sensor
Sensor model
-W = Aggressive medium Saunders body flowcell
Refractive Index range limits
73 = n
1.320–1.530 Sapphire prism
D
74 = n
1.260–1.4700 Sapphire prism
D
Sensor wetted parts material
®
-2TF = Teflon
(PTFE=Plytetrafluoroethylene)
Sensor/diaphragm valve body connection
4 = Adapter for 4 inch/DN 100 valve body
3 = Adapter for 3 inch/DN 80 valve body
2 = Adapter for 2 inch/DN 50 valve body
Electrical classification
-GP = General Purpose
-AX = ATEX certified EX II 3 G Eex nA II T4 (up to Zone 2)
-IA = ATEX and IECEx certified EX II 1 G Ex ia II C T4 Ga (up to Zone 0)
Sensor housing
-SC = Stainless steel
Example:
SAUNDERS VALVE BODY FOR SENSOR PR-23-W
SVB = Saunders valve body
Process line connection
-A040 = ANSI flange 4 inch 150 lbs
-A030 = ANSI flange 3 inch 150 lbs
-A020 = ANSI flange 2 inch 150 lbs
-D100 = DIN flange DN 100 PN 16
-D080 = DIN flange DN 80 PN 16
-D050 = DIN flange DN 50 PN 16
-J100 = JIS flange 10K 100A
-J080 = JIS flange 10K 80A
-J050 = JIS flange 10K 50A
Valve body material
-GC = Graphite cast iron
Valve body lining material
-PFA = PFA (= Fluorinated ethylene propylene)
Example:
Sensor:
PR-23-W62-2TF4-GP-SC
Valve body:
SVB-A040-GC-PFA
119
MODEL
PR-23
-W
73
74
-2TF
4
3
2
-GP
-AX
-IA
-SC
MODEL
SVB
-A040
-A030
-A020
-D100
-D080
-D050
-J100
-J080
-J050
-GC
-PFA
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