How to choose the electromagnetic flowmeter？
Confirm the norminal Size, means the outside pipe diameter;
Choose the suitable Liner of magnetic flow meter based on the chemical property of liquid;
Choose the suitable electrode material, basically we use 316L;
Confirm the environment and project conditions to make sure the temp and pressure is below the limit value;
Choose connection method, thread or Flange(PN, JIS,ANSI);
Choose output(4-20mA,pulse,OCT,frequency) and communication mode(MODBUS,HART);
Choose the housing type(Integrate,split) and Power supply(AC,DC,BATTERY);
Get catalog and documentation from us.
| How TO Choose The Lining Material | ||
| Lining Material | Main Performance | Applications |
| Teflon | 1.The most steady material in plastics which is resistable to boiling hydrochloric acid,vitriol aqua fortis as well as strong alkali and organic solvent. 2.Not be perfect in abrasion resistance. | Strong corrosive mediums such as strong acid and alkali. |
| PFA | Having the same abrasion resistance with PTFE.Having strong ability of load pressure resistance. | Applicable in state of load pressure. |
| F46 | 1.Have the same abrasion resistance with PTFE.2.Resistable for low abrasion.3.Having strong resistance to load pressure. | 1.The same as PTFE. 2.Applicable in mediums of low abrasion. |
| Neoprene | 1.Be of good elasticity,retractility and abrasion resistance.2.Be resistant to low aicd,alkali and salt but not for oxidation mediums. | 1.The same as PTFE. 2.Applicable in mediums of low abrasion. |
| Polyurethane | 1.Be of good abrasion resistibility.2.Not be perfect in acid/alkali resisitance.3.Can't be used for water mixed with organic solvent. | Applicable in mineral serosity,slurry and coal slurry of high abrasion. |
| How TO Choose The Electrode Material | ||
| Electrode Material | Applications | |
| Stainless steel (SUS316) | Applicable in water,sewage and corrosive mediums.Widely used in industries of petrol,chemistry,carbamide,etc | |
| Stainless steel covered with tungsten carbide | Applicable in mediums of no corrosive and low abrasion. | |
| Hastelloy B(HB) | Having strong resistance to hydrochloric acid of any consistance which is below bioling piont.Also resistable against vitriol,phosphate,hydrofluoric acid,organic acid etc which are oxidable acid,alkali and non-oxidable salt. | |
| Hastelloy C(HC) | Be resistant to oxidable acid such as nitric acid,mixed acid as well as oxidable salt such as Fe+++,Cu++and sea water | |
| Titanium | Applicable in seawater,and kinds of chloride,hypochlorite salt,oxidable acid(including fuming nitric acid),organic acid,alkali etc.Not resistant to a pure reducing acid(such as sulphuric acid,hydrochloric acid)corrosion.But if acid contains antioxidant(such as Fe+++,Cu++)is greatly reduce corrosion. | |
| Tantalum | Having strong resistance to corrosive mediums that is similar with glass.Almost applicable in all chemical mediums.Except for hydrofluoric acid,oleum and alkali. | |
| Platinum-iridium | Almost be applicable in all chemical mediums except for aqua fortis,ammonium salt. | |