Siemens SITRANS P320 Compact Operating Instructions page 81

Construction for level
Weight
• In accordance with EN (pressure
transmitter with mounting flange,
without tube)
• In accordance with ASME (pressure
transmitter with mounting flange,
without tube)
Material
• Wetted parts materials
Plus side
• Seal diaphragm on the mount‐
ing flange
• Sealing surface
Sealing material in the pressure
caps
• For standard applications
• For underpressure applica‐
tions on the mounting flange
Minus side
• Seal diaphragm
• Pressure caps locking screws
• Locking screw
• O-ring
• Non-wetted parts materials
Electronics housing
Pressure cap screws
Measuring cell filling
• Mounting flange fill fluid
Process connection
• Plus side
SITRANS P320/P420
Compact Operating Instructions, 09/2021, A5E38874562-AD
Approx. 11 ... 13 kg (24.2 ... 28.7 lb) with aluminum enclosure
Approx. 13 ... 15 kg (28.7 ... 33 lb) with stainless steel enclosure
Approx. 11 ... 18 kg (24.2 ... 39.7 lb) with aluminum enclosure
Approx. 13 ... 20 kg (28.7 ... 44 lb) with stainless steel enclosure
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, mat. no. 1.4408
Stainless steel ISO 3506-1 A4-70
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
Technical data
8.4 Construction
81