Emerson Process Management 2051 manual PHYSICAL SPECIFICATIONS Electrical Connections, Rosemount

Reference Manual

00809-0200-4101, Rev AA July 2008

Rosemount 2051

PHYSICAL SPECIFICATIONS

Electrical Connections

Process Connections

2051C Process Wetted Parts

2051T Process Wetted Parts

1/2–14 NPT, G1/2, and M20 × 1.5 (CM20) conduit.

2051C

•1/4–18 NPT on 21/8-in. centers

•1/2–14 NPT and RC 1/2 on 2-in.(50.8mm), 21/8-in. (54.0 mm), or 21/4-in. (57.2mm) centers (process adapters)

2051T

•1/2–14 NPT female

•G1/2 A DIN 16288 Male (available in SST for Range 1–4 transmitters only)

•Autoclave type F-250-C (Pressure relieved 9/16–18 gland thread; 1/4 OD high pressure tube 60° cone; available in SST for Range 5 transmitters only)

2051L

•High pressure side: 2-in.(50.8mm), 3-in. (72 mm), or 4-in. (102mm), 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: 1/4–18 NPT on flange, 1/2–14 NPT on process adapter

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 CW12MW (cast version of Alloy C-276)

Wetted O-rings

Glass-filled PTFE or Graphite-filled PTFE

Process Isolating Diaphragms 316L SST or Alloy C-276

Process Connections

• 316L SST or Alloy C-276

Process Isolating Diaphragms

• 316L SST or Alloy C-276

2051L Process Wetted Parts

Flanged Process Connection (Transmitter High Side)

Process Diaphragms, Including Process Gasket Surface

• 316L SST or Alloy C-276

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

A-9