Reference Manual
00809-0100-4809, Rev DA
Appendix A: Specifications and Reference Data
September 2015
154
Specifications and Reference Data
A.9.3 Physical specifications
Electrical connections
1
/2–14 NPT, G
1
/2, and M20 ⫻ 1.5 conduit
2051CF process-wetted parts
For 2051CFA wetted parts-Annubar sensor material
316 Stainless Steel
Alloy C-276
For 2051CFC wetted parts-material of construction
Body/Plate
316/316L SST
50 micro-inch Ra surface finish
Manifold head/valves
316 SST
Flange studs and nuts
Customer supplied
Available as a spare part
Transmitter connection studs and nuts
Studs –A193 Grade B8M
Nuts – A194 Grade 8M
Gasket and O-rings
Gaskets are customer supplied.
Durlon 8500 fiber gaskets are recommended. Consult
an Emerson Process Management representative for
use with other gaskets.
Available as a spare part
Note
Gaskets and O-rings should be replaced when the 405 is
disassembled.
Process isolating diaphragms
316L SST, Alloy C-276, or Tantalum
Non-wetted parts for 2051CF
Electronics housing
Low-copper aluminum or CF-8M (Cast version of 316 SST)
Enclosure Type 4X, IP 65, IP 66, IP68
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)
Sensor module fill fluid
Silicone oil (D.C. 200) or Fluorocarbon oil
Paint
Polyurethane
Cover o-rings
Buna-N