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Operating conditions for marine (only in
combination with order option E):
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)
1) Without bracket and aluminum enclosure
2) With bracket, aluminum and stainless steel enclosure
3) Without bracket, aluminum and stainless steel enclosure
7.6
Construction
Construction for gauge pressure and absolute pressure (from the gauge pressure series)
Weight
Material
● Wetted parts materials
Process connection
Oval flange
Seal diaphragm
● Non-wetted parts materials
Electronics housing
Mounting bracket
SITRANS P320/P420 (mA/HART)
Compact Operating Instructions, 06/2018, A5E38874562-AA
Gauge pressure series
Amplification factor (Q) > 2, resonant frequency/90 min
Approx. 1.8 kg (3.9 lb) with aluminum enclosure
Approx. 3.8 kg (8.3 lb) with stainless steel enclosure
Stainless steel, material no. 1.4404/316L or Alloy C22, material no. 2.4602
Stainless steel, mat. no. 1.4404/316L
Stainless steel, material no. 1.4404/316L or Alloy C276, material no. 2.4819
● 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)
Steel, galvanized, stainless steel 1.4301/304, stainless steel 1.4404/316L
Differential pressure series
1)2)
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
Technical data
7.6 Construction
3)
89
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