Construction for gauge pressure and absolute pressure (from the gauge pressure series)Process connection Stainless steel, material no. 1.4404/316L or Alloy C22, material no. 2.4602Oval flange Stainless steel, mat. no. 1.4404/316LSeal diaphragm Stainless steel, material no. 1.4404/316L or Alloy C276, material no. 2.4819• Non-wetted parts materialsElectronics housing • Low-copper die-cast aluminum GD-AlSi 12 or stainless steel precision casting, mat.no. 1.4409/ CF-3M• Standard: Powder coating with polyurethaneOption: 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 1.4404/316LProcess connection • Connection pin G1/2A in accordance with DIN EN 837-1• Female thread 1/2‑14 NPT• Oval flange (MAWP 160 bar abs (2320 psi g) with fastening screw thread:– 7/16-20 UNF in accordance with EN 61518– M10 in accordance with DIN 19213• Oval flange (MAWP 420 bar abs (MAWP 2320 psi g) with fastening screw thread:– 7/16-20 UNF in accordance with EN 61518– M12 in accordance with DIN 19213• Male thread M20 x 1.5 and 1/2-14 NPTElectrical connection Cable inlet using the following screwed joints:• M20 x 1.5• ½-14 NPT• Han 7D/Han 8D connector1)• M12 connector1) Han 8D is identical to Han 8U.Construction for gauge pressure, with flush mounted diaphragmWeight (pressure transmitter withoutmounting flange)Approx. 1.8 kg (3.9 lb) with aluminum enclosureApprox. 3.8 kg (8.3 lb) with stainless steel enclosureMaterial• Wetted parts materialsProcess connection Stainless steel, mat. no. 1.4404/316LSeal diaphragm Stainless steel, material no. 1.4404/316L or Alloy C276, material no. 2.4819• Non-wetted parts materialsElectronics housing • Low-copper die-cast aluminum GD-AlSi 12 or stainless steel precision casting, mat.no. 1.4409/CF-3M• Standard: Powder coating with polyurethaneD20 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 1.4404/316LTechnical data8.4 ConstructionSITRANS P320/P420Compact Operating Instructions, 01/2021, A5E38874562-AC 77