> To avoid with acids and oxidizing salts, with hypochlorites, with sea water and sulfured or sulphurous environments.

Transcription

1 Standard range

2 Material Selection Alloy grades Advantages Disadvantages Bronze > Good corrosion resistance in sea water sea. > Compatible with oxygen, hot / cold freshwater or with diluted non-oxidizing acids (without air) > To avoid with oxidizing acids, ammonia water, amino-acid, water with an important flow speed (erosion-corrosion), sulfhydric acid, sulfur or sulfides Max. T C under oxidizing atmosphere Max. T C under reducing atmosphere SS 316L > Common usage for food application > To avoid with hydracids even if they > Often used in oxidizing conditions, with nitric are diluted, with oxidizing chlorides, or organic acids (except formic and oxalic), with sea water (cold and current sea water), with sulphuric, phosphoric or hydrochloric acids. or with thiosulfates 304L > Heat resistant Ni alloys in general > Good resistance to caustic environments and to diluted non-oxidizing acids > To avoid with acids and oxidizing salts, with hypochlorites, with sea water and sulfured or sulphurous environments. - - Inconel 600 > Good resistance to oxidizing in warm conditions. > Resists to very oxidizing acids. > Slightly sensible to corrosion under tie with high temperature water conditions Monel 400 > Resists to anhydrous hydrofluoric acid, to chlorine derivatives, fluorine, H 2 SO 4, NaOH. > Do not resist to hot and concentrated soda solutions Hastelloy X > High resistance under high temperature oxidizing atmosphere Hastelloy C276 Good resistance to HF, HNO

3 Filtration efficiency Bronze Stainless Steel And Ni Alloys Filtration efficiency Filtration efficiency PORAL Grade 98% GASES 99,9% 98% LIQUIDS 99,9% PORAL Grade 98% GASES 99,9% 98% LIQUIDS 99,9% 03 0,7 1 3, ,2 0,5 3,2 4,5 05 2, ,4 1,2 5, , ,7 2, ,6 7, ,2 3, , ,2 8, , ,

4 Darcy law, case of laminar flow rate In case of a laminar flow rate (laminar state), the empirical formula for fluid flow in a porous material was stated for the first time by Darcy. In this particular case, all the energy losses are due to the viscosity of the fluid only. PORAL Grade Stainless Steel et Ni alloys Permeability P 0 (Darcy*) Bronze P 0 minimum P 0 maximum P 0 minimum P 0 maximum 03 0,13 0,38 0,24 0, ,6 1,2 1,4 2,9 Darcy law: 07 1,2 2,3 2,9 4,8 10 2,3 4,1 4, ,1 6, ,8 10, P: total pressure drop [Pa] e: wall thickness of the filter [m] P 0 : viscous permeability coefficient [m 2 ] : dynamic viscosity of the fluid [Pa.s] Q v : volume flow rate of fluid [m3/s] S: filtration effective area [m 2 ] 30 10, * 1 Darcy= 9, x m 2

5 Stainless Steel Tubes (IS) Diameter: 14 to 110 mm Length: 600 or mm Stainless Steel Plates (IK) Dimension: 600 x 300 mm Thickness: 3 or 5 mm Higher dimensions possible by IK plates welding.

6 Stainless Steel Candles (BI) Diameter: 14 to 50 mm Length: 125 to 900 mm Standard thread M20x150 / Ø16 Other fittings upon request Stainless Steel Cartridges (CRI) Diameter: 30 to 60 mm Length: 250 to 900 mm

7 Stainless Steel Discs (IC) Diameter: up to 160 mm Thickness: 2 or 3 mm Stainless Steel Cones (ICN) Diameter: 8 to 30 mm Height: 20 to 59 mm

8 Stainless Steel Multi Cartridges (CFI) Diameter: 14 to 110 mm Length: mm or up to mm Bronze Discs (BC) Diameter: 6 to 250 mm Thickness: 2 or 5 mm

9 Bronze Plates (BK) Diameter: 500 x 500 or 600 x 300 mm Higher dimensions possible by BK plates welding. Bronze Seamless Tubes (BLR) Diameter: 26 to 60 mm Length: up to mm

10 Bronze Welded Tubes (BT) Diameter: 50 to 100 mm Length: up to 600 mm Bronze Cartridges (CRB) Diameter: 30 to 100 mm Length: 250 to mm

11 Bronze Cones (BCN) Diameter: 4 to 27 mm Height: 10 to 80 mm Bronze Silencers (SMH) Diameter: 10 to 34 mm Length: 22,5 to 74 mm

12 For any technical or commercial question about PORAL products, please contact us: Sintertech S.A.S. PORAL sales department Voie des collines F Pont de Claix Tel. +33 (0) Fax +33 (0)