Operating Limits 266Csx/Jsx; Pressure Limits - ABB 2600T Series Operating Instruction

The table below contains the specifications for diaphragm seal
filling fluids when used in transmitters with (a) diaphragm
seal(s).
Filling fluid Process temperature and pressure limits
(application)
°C (°F)
@ Pabs
> than
Silicone oil DC 200 250 (480)
10 cSt @ 385 mbar
Silicone oil Baysilone PD5 250 (480)
5 cSt @ 900 mbar
Fluorocarbon Galden G5 160 (320)
(oxygen applications) @ 1 bar
Fluorocarbon 180 (356)
Halocarbon 4.2 @ 425 mbar
(oxygen applications)
Silicone polymer Syltherm 110 (230)
XLT (cryogenic @ 118 mbar
applications)
Silicone oil DC 704 (high- 375 (707)
temperature applications) @ 1 bar
Vegetable oil Neobee M- 200 (390)
20 (food and beverage, @ 1 bar
sanitary applications) with
FDA approval
Mineral oil Esso Marcol 250 (480)
122 (food and beverage, @ 630 mbar
sanitary applications) with
FDA approval
Glycerin water 70 % (food 93 (200)
and beverage, sanitary @ 1 bar
applications) with FDA
approval
Flushing ring gasket
material Pressure (max.)
Garlock 6.9 MPa, 69 bar,
1000 psi
Graphite 2.5 MPa, 25 bar,
362 psi
PTFE 6 MPa, 60 bar,
870 psi
Storage
Models 266XRT
Storage temperature
Integral LCD display
Relative humidity
74 OI/266CXX/266JXX/HART-EN Rev. B | 266CRx, 266JRx, 266CSx, 266JSx
Tmax Pmin Tmax
mbar abs °C (°F)
(mm Hg) @ Pmin
0.7 130
(0.5) (266)
0.7 45
(0.5) (123)
2.1 60
(1.52) (140)
4 70
(3) (158)
2.1 20
(1.52) (68)
0.7 220
(0.5) (328)
10 20
(7.2) (68)
0.7 110
(0.5) (230)
1000 93
(760) (200)
Process limits
Temperature
-73 and 204 °C
(-100 and 400 °F)
-100 and 380 °C
(-148 and 716 °F)
-100 and 250 °C
(-148 and 482 °F)
Storage temperature range
-50 and 85 °C (-58 and 185 °F)
-40 and 85 °C (-40 and 185 °F)
Humidity during storage
Up to 75 %

14.2 Operating limits 266CSx/JSx

14.2.1 Pressure limits

Gauge pressure limits
The transmitter models 266CSX/JSX can operate without
damage within the following overpressure limits:
Tmin
Sensors Filling fluid
°C (°F)
A Silicone oil
-40
(-40)
A Fluorocarbon
-85
(Galden)
(-121)
-20
(-4)
C to R Silicone oil
-20
(-4)
-100
(-148)
C to R Fluorocarbon
(Galden)
-10
(14)
-18
(0)
1) 1 MPa, 10 bar, 145 psi for Kynar-PVDF
Static pressure limits
-6
The transmitter models 266CSX/JSX can operate within the
(21)
specifications with the following limits:
-7
Sensors Filling fluid
(-20)
A Silicone oil
A Fluorocarbon
P x T
(Galden)
250000
(°F x psi)
C to R Silicone oil
C to R Fluorocarbon
(Galden)
1) 1 MPa, 10 bar, 145 psi for Kynar-PVDF
Gauge pressure limits
0.5 kPa abs., 5 mbar abs., 0.07 psia
and 0.6 MPa, 6 bar, 87 psi
or 2 MPa, 20 bar, 290 psi
depending on code variant selected
17.5 kPa abs., 175 mbar abs., 2.5 psia
and 0.6 MPa, 6 bar, 87 psi
or 2 MPa, 20 bar, 290 psi
depending on code variant selected
0.5 kPa abs., 5 mbar abs., 0.07 psia
and 2 MPa, 20 bar, 290 psi
or 10 MPa, 100 bar, 1450 psi
or 41 MPa, 410 bar, 5,945 psi
depending on code variant selected
17.5 kPa abs., 175 mbar abs., 2.5 psia
and 2 MPa, 20 bar, 290 psi
or 10 MPa, 100 bar, 1450 psi
or 41 MPa, 410 bar, 5,945 psi
depending on code variant selected
Static pressure limits
3.5 kPa abs., 35 mbar abs., 0.5 psia
and 0.6 MPa, 6 bar, 87 psi
or 2 MPa, 20 bar, 290 psi
depending on code variant selected
17.5 kPa abs., 175 mbar abs., 2.5 psia
and 0.6 MPa, 6 bar, 87 psi
or 2 MPa, 20 bar, 290 psi
depending on code variant selected
3.5 kPa abs., 35 mbar abs., 0.5 psia
and 2 MPa, 20 bar, 290 psi
or 10 MPa, 100 bar, 1450 psi
or 41 MPa, 410 bar, 5,945 psi
depending on code variant selected
17.5 kPa abs., 175 mbar abs., 2.5 psia
and 2 MPa, 20 bar, 290 psi
or 10 MPa, 100 bar, 1450 psi
or 41 MPa, 410 bar, 5,945 psi
depending on code variant selected
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