Electrical Connections; Process Connections; Rosemount 2051C Process Wetted Parts; Rosemount 2051T Process Wetted Parts - Emerson Rosemount 2051 Reference Manual

Specifications and Reference Data
November 2016

A.3.2 Electrical connections

1 / –14 NPT, G 1 / , and M20
2 2
A.3.3 Process connections
Rosemount 2051C
1 / –18 NPT on 2 1 / -in. centers

4 8
1 / –14 NPT and RC 1 / on 2-in.(50,8 mm), 2

2 2
mm), or 2 1 / -in. (57,2 mm) centers (process adapters)
4
Rosemount 2051T
1 / –14 NPT female

2
G 1 / A DIN 16288 male

2
(available in SST for Range 1–4 transmitters only)
Autoclave type F-250-C (pressure relieved

thread; 1 / O.D. high pressure tube 60° cone; available in
4
SST for Range 5 transmitters only)
Rosemount 2051L
High pressure side: 2-in.(50,8 mm), 3-in. (72 mm), or

4-in. (102 mm), ASME B 16.5 (ANSI) Class 150 or 300
flange;
50, 80, or 100 mm, DIN 2501 PN 40 or 10/16 flange
Low pressure side: 1 / –18 NPT on flange,

4
process adapter
Rosemount 2051CF
For Rosemount 2051CFA wetted parts, see Rosemount

DP Flowmeters and Primary Elements
Sheet in the 485 section
For Rosemount 2051CFC wetted parts, see Rosemount

DP Flowmeters and Primary Elements
Sheet in the 405 section
For Rosemount 2051CFP wetted parts, see Rosemount

DP Flowmeters and Primary Elements
Sheet in the 1195 section
A.3.4 Rosemount 2051C process wetted
parts
Drain/vent valves
316 SST or Alloy C-276
Process flanges and adapters
Plated carbon steel, SST CF-8M (cast version of 316 SST,
material per ASTM-A743), or CW2M (cast version of Alloy C)
Wetted O-rings
Glass-filled PTFE or graphite-filled PTFE
70
1.5 conduit
1 / -in. (54,0
8
9 / –18 gland
16
1 / –14 NPT on
2
Product Data
Product Data
Product Data
Process isolating diaphragms
316L SST, Alloy C-276, or Tantalum
A.3.5 Rosemount 2051T process wetted parts

Process connections

316L SST or Alloy C-276
Process Isolating diaphragms
316L SST or Alloy C-276
A.3.6 Rosemount 2051L Process wetted parts
Flanged process connection (transmitter high side)
Process diaphragms, including process gasket
surface
316L SST, Alloy C-276, or Tantalum
Extension
CF-3M (Cast version of 316L SST, material per
ASTM-A743), or Cast C-276. Fits schedule 40 and 80
pipe.
Mounting flange
Zinc-cobalt plated CS or SST
Reference process connection (transmitter low side)
Isolating diaphragms
316L SST or Alloy C-276
Reference flange and adapter
CF-8M (cast version of 316 SST, material per
ASTM-A743)
A.3.7 Non-wetted parts for Rosemount
2051C/T/L
Electronics housing
Low-copper aluminum or CF-8M (cast version of 316 SST).
Enclosure type 4X, IP 65, IP 66, IP68
Housing material code P: PBT/PC with NEMA 4X and
IP66/67/68
Paint for aluminum housing
Polyurethane
Coplanar sensor module housing
CF-3M (cast version of 316L SST)
Bolts
ASTM A449, Type 1 (zinc-cobalt plated carbon steel)
ASTM F593G, Condition CW1 (Austenitic 316 SST)
ASTM A193, Grade B7M (zinc plated alloy steel)
Alloy K-500
Reference Manual
00809-0300-4101, Rev BB
Specifications and Reference Data