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Reference Manual
00809-0200-4101, Rev AA
July 2008
Rosemount 2051
A-20
Code Process Fill-High Pressure Side Temperature Limits
A Syltherm® XLT -100 to 300 °F (-73 to 135 °C)
C D.C. Silicone 704 60 to 400 °F (15 to 205 °C)
D D.C. Silicone 200 -40 to 400 °F (-40 to 205 °C)
H Inert (Halocarbon) -50 to 350 °F (-45 to 177 °C)
G Glycerin and Water 0 to 200 °F (-17 to 93 °C)
N Neobee® M-20 0 to 400 °F (-17 to 205 °C)
P Propylene Glycol and Water 0 to 200 °F (-17 to 93 °C)
Code Low Pressure Side
Configuration Flange Adapter Diaphragm Material Sensor Fill Fluid
11 Gage SST 316L SST Silicone
21 Differential SST 316L SST Silicone
22 Differential (SST Valve Seat) SST Alloy C-276 Silicone
2A Differential SST 316L SST Inert (Halocarbon)
2B Differential (SST Valve Seat) SST Alloy C-276 Inert (Halocarbon)
31 Remote Seal SST 316L SST Silicone
Code
O-ring
A Glass-filled PTFE
Code Housing Material Conduit Entry Size
A Polyurethane-covered Aluminum ½–14 NPT
B Polyurethane-covered Aluminum M20 × 1.5 (CM20)
D Polyurethane-covered Aluminum G½
J SST (consult factory for availability) ½–14 NPT
K SST (consult factory for availability) M20 × 1.5 (CM20)
M SST (consult factory for availability) G½
Code Options
Diaphragm Seal Assembly
S1
(1)
Assemble to one Rosemount 1199 diaphragm seal
Product Certifications
E1
(2)
ATEX Flameproof
E2
(2)
INMETRO Flameproof (consult factory for availability)
E3
(2)
China Flameproof (consult factory for availability)
E4
(2)
TIIS Flameproof (consult factory for availability)
E5 FM Explosion-proof, Dust Ignition-proof
E6 CSA Explosion-proof, Dust Ignition-proof, Division 2
E7 IECEx Flameproof
EP
(2)
Korea (KOSHA) Flameproof Approval (consult factory for availability)
EW
(2)
India (CCOE) Flameproof Approval (consult factory for availability)
EM
(2)
GOST Explosion-proof (consult factory for availability)
I1
ATEX Intrinsic Safety
I2
(2)
INMETRO Intrinsic Safety (consult factory for availability)
I3
(2)
China Intrinsic Safety (consult factory for availability)
I4
(2)
TIIS Intrinsic Safety (consult factory for availability)
I5 FM Intrinsically Safe, Division 2
I6 CSA Intrinsically Safe
I7
(2)
IECEx Intrinsic Safety
IA
(3)
ATEX FISCO Intrinsic Safety
IB
(3)
INMETRO FISCO Intrinsic Safety (consult factory for availability)
ID
(3)
TIIS FISCO Intrinsic Safety (consult factory for availability)
IE
(3)
FM FISCO Intrinsically Safe
IF
(3)
CSA FISCO Intrinsically Safe
IG
(3)
IECEx FISCO Intrinsically Safe
IP
(2)
Korea (KOSHA) Instrinsic Safety (consult factory for availability)
IM
(2)
GOST Intrinsically Safe (consult factory for availability)