Siemens SITRANS P Operating Instructions Manual page 237

Construction for level
● Seal diaphragm on the
mounting flange
● Sealing surface
Sealing material in the pressure
caps
● For standard applications
● For underpressure
applications on the mounting
flange
Minus side
● Seal diaphragm
● Pressure caps locking screws Stainless steel, mat. no. 1.4408
● Locking screw
● O-ring
● Non-wetted parts materials
Electronics housing
Pressure cap screws
Measuring cell filling
● Mounting flange fill fluid
Process connection
● Plus side
● Minus side
Electrical connection
Han 8D is identical to Han 8U.
1)
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC
Stainless steel, mat. no. 1.4404/316L, Monel 400, mat. no. 2.4360, Alloy B2, mat. no.
2.4617, Alloy C276, mat. no. 2.4819, Alloy C22, mat. no. 2.4602, tantalum, PTFE
Smooth as per EN 1092‑1, form B1 or ASME B16.5 RF 125 ... 250 AA for stainless
steel 316L, EN 2092‑1 form B2 or ASME B16.5 RFSF for the remaining materials
FKM (Viton)
Copper
Stainless steel, mat. no. 1.4404/316L
Stainless steel ISO 3506-1 A4-70
FKM (FKM (Viton))
● Low-copper die-cast aluminum GD-AlSi 12 or stainless steel precision casting,
mat. no. 1.4409/CF-3M
● Standard: Powder coating with polyurethane
D20 option: 2 coats: Coat 1: epoxy-based; coat 2: Polyurethane
● Stainless steel nameplate (1.4404/316L)
Stainless steel ISO 3506-1 A4-70
Silicone oil
Silicon oil or a different design
Flange as per EN and ASME
/ ‑18 NPT female thread and flange connection with M10 fastening screw thread in
1
4
accordance with DIN 19213 (M12 for PN 420 (MAWP 6092 psi)) or
accordance with EN 61518
Screw terminals
Cable inlet using the following screwed joints:
● M20 x 1.5
● ½-14 NPT
● Han 7D/Han 8D connector
● M12 connector
1)
Technical data
13.7 Construction
/ -20 UNF in
7
16
237