Emerson Rosemount 2051 Wireless Series Reference Manual page 67

Appendix A: Reference Data
June 2012
2051L
High pressure side: 2-in.(50.8mm), 3-in. (72 mm), or 4-in. (102mm), ASME B 16.5 (ANSI) Class
150, 300 or 600 flange; 50, 80 or 100 mm, DIN 2501 PN 40 or 10/16 flange
Low pressure side:
Process-Wetted Parts
Process Isolating Diaphragms
Isolating Diaphragm
Material
316L SST
Alloy C-276
Drain/Vent Valves
316 SST, Alloy C-276, or Alloy 400/K-500 material
(Alloy 400/K-500 is not available with 2051L).
Process Flanges and Adapters
Plated carbon steel
SST: CF-8M (Cast 316 SST) per ASTM A743
Cast C-276: CW-12MW per ASTM A494
Cast Alloy 400: M-30C per ASTM A494
Wetted O-rings
Glass-filled PTFE
(Graphite-filled PTFE with Isolating Diaphragm code 6)
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 316L SST, material per ASTM A743), or CW-12MW (Cast C-276, material ASTM
A494); fits schedule 40 and 80 pipe
Mounting Flange
Zinc-cobalt plated CS or 316 SST
80
/ –18 NPT on flange, / –14 NPT on process adapter
1 1
4 2
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Specifications and Reference Data
Reference Manual
00809-0100-4102, Rev AA