Operating conditions for marine
(only in
combination with order option E):
Gauge pressure series
1)2)
Differential pressure series
3)
DNV-GL (Det Norske Veritas/Germa‐
nischer Lloyd)
Lloyd’s Register
Bureau Veritas
ABS (American Bureau of Shipping)
RINA (Registro Italiano Navale)
CCS (China Classification Society)
2 ... 25 Hz at 3.2 mm
25 ... 100 Hz at 40 m/s²
0.5 octave/min
1 frequency sweep/axis
Amplification factor (Q) < 2, 30 Hz/90 min
Amplification factor (Q) > 2, resonant frequency/90 min
1) Without bracket and aluminum enclosure
2) With mounting bracket, aluminum and stainless steel enclosure
3) Without mounting bracket, aluminum and stainless steel enclosure
8.6 Construction
Construction for gauge pressure and absolute pressure (from the gauge pressure series)
Weight Approx. 1.8 kg (3.9 lb) with aluminum enclosure
Approx. 3.8 kg (8.3 lb) with stainless steel enclosure
Material
● Wetted parts materials
Process connection Stainless steel, material no. 1.4404/316L or Alloy C22, material no. 2.4602
Oval flange Stainless steel, mat. no. 1.4404/316L
Seal diaphragm Stainless steel, material no. 1.4404/316L or Alloy C276, material no. 2.4819
● Non-wetted parts materials
Electronics housing
● Low-copper die-cast aluminum GD-AlSi 12 or stainless steel precision casting, mat.
no. 1.4409/ CF-3M
● Standard: Powder coating with polyurethane
Option: 2 coats: Coat 1: epoxy-based; coat 2: Polyurethane
● Stainless steel nameplate (1.4404/316L)
Mounting bracket Steel, galvanized, stainless steel 1.4301/304, stainless steel 1.4404/316L
Technical data
8.6 Construction
SITRANS P320/P420 with 4 to 20 mA/HART
Compact Operating Instructions, 09/2018, A5E38874562-AB 95
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