Reference Manual
00809-0100-4809, Rev DA
Appendix A: Specifications and Reference Data
September 2015
116
Specifications and Reference Data
A.3.3 Physical specifications
Electrical connections
1
/2–14 NPT, G
1
/2, and M20 ⫻ 1.5 conduit. HART interface
connections fixed to terminal block for Output code A and X.
Process connections
Process-wetted parts
3051SFA wetted parts - Annubar sensor material
316 Stainless Steel
Alloy C-276
3051SFC 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
Coplanar sensor module
316L SST (UNS S31603), Alloy C-276 (UNS N10276), Alloy
400 (UNS N04400), Tantalum (UNS R05440), Gold-Plated
Alloy 400, Gold-plated 316L SST
Drain/vent valves
316 SST, Alloy C-276, or Alloy 400/K-500 material
(Drain vent seat: Alloy 400, Drain vent stem: Alloy K-500)
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
Non-wetted parts
Electronics housing
Low-copper aluminum alloy or CF-8M (Cast 316 SST)
NEMA 4X, IP 66, IP 68 (66-ft. [20 m] for 168 hours)
Note: IP 68 not available with Wireless Output.
Paint for aluminum housing
Polyurethane
Coplanar sensor module housing
SST: CF-3M (Cast 316L SST)
Bolts
Plated carbon steel per ASTM A449, Type 1
Austenitic 316 SST per ASTM F593
ASTM A453, Class D, Grade 660 SST
ASTM A193, Grade B7M alloy steel
ASTM A193, Class 2, Grade B8M SST
Alloy K-500
Sensor module fill fluid
Silicone or inert halocarbon
Cover O-rings
Nitirile Butadiene (NBR)
Wireless antenna
PBT/polycarbonate (PC) integrated omni-directional
antenna
Power module
Field replaceable, keyed connection eliminates the risk of
incorrect installation, Intrinsically Safe Lithium-thionyl
chloride Power Module with PBT enclosure.
Coplanar sensor module
Standard
1
/4-18 NPT on 2
1
/8-in. centers