Pressure Filters D 1 D 3 D 33 In-line mounting Operating pressure up to 3 bar Nominal flow rate up to 3 l/min Description Application In the pressure circuits of hydraulic and lubrication systems. Performance features Protection against wear: By means of filter elements that, in full-flow filtration, meet even the highest demands regarding cleanliness classes. Protection against malfunction: Through installation near to the control valves or other expensive components. The specific determined flow rate guarantees a closed by-pass valve even at ν mm /s (cold start condition). Filter elements Flow direction from outside to centre. The star-shaped pleating of the filter material results in: large filter surfaces low pressure drop high dirt-holding capacities long service life Pressure Filter D 3 Filter maintenance By using a clogging indicator the correct moment for maintenance is stated and guarantees the optimum utilization of the filter life. Materials Filter head: Filter bowl: Seals: Filter media: Aluminium alloy Aluminium alloy NBR (FPM on request) EXAPOR MAX - inorganic multi-layer microfibre web Paper - cellulose web, impregnated with resin Accessories Electrical and/or optical clogging indicators are available - optionally with one or two switching points resp. temperature suppression. Dimensions and technical data see catalogue sheet.3. Subject to change 3.3-e 1 Page 1
Characteristics Operating pressure... bar, min. 3 x 1 pressure cycles Nominal pressure according to DIN... 3 bar, min. 1 pressure cycles Quasi-static operating pressure Permissible pressures for other numbers of cycles Filter fineness µm(c)... 3 µm(c) β-values according to ISO 19 (see Selection Chart, column and diagram Dx) Dirt-holding capacity Values in g test dust ISO MTD according to ISO 19 (see Selection Chart, column ) Operating pressure p [bar] Nominal flow rate Number of cycles Up to 3 l/min (see Selection Chart, column ) The nominal flow rates indicated by ARGO-HYTOS are based on the following features: closed by-pass valve at ν mm /s element service life > 1 operating hours at an average fluid contamination of,7 g per l/min flow volume flow velocity in the connection lines: up to 1 bar m/s Hydraulic fluids Mineral oil and biodegradable fluids (HEEs and HETG, see info-sheet.). Temperature range -3 C... +1 C (temporary - C... +1 C) Viscosity at nominal flow rate at operating temperature:ν < mm /s as starting viscosity: ν max = 1 mm /s at initial operation: The recommended starting viscosity can be read from the diagram D (pressure drop as a function of the kinematic viscosity) as follows: Find the 7 % p of the cracking pressure of the by-pass valve on the vertical axis. Draw a horizontal line so that it intersects the p curve at a point. Read this point on the horizontal axis for the viscosity. Mounting position Preferably vertical, filter head on top Connection Threaded ports according to ISO or DIN 13. Sizes see Selection Chart, column (other port threads on request). Electrical clogging indicator Switching voltage: max. 1 V AC / 17 V DC Switching current: max.,17 A AC /, A DC Switching power: max. 3, VA AC / W DC Type of contact: Change-over Electrical protection: IP (with mounted and secured socket) Page Subject to change 3.3-e 1
Diagrams p-curves for complete filters in Selection Chart, column 3 D1 flow volume at ν = 3 mm /s ( = casing empty) kinematic viscosity at nominal flow, 1, 1,, D 1 1+ 3+ + 1 + 3+ 1 1 1 3 3 1 Q [l/min] ν [mm /s] D flow volume at ν = 3 mm /s ( = casing empty) kinematic viscosity at nominal flow, 1, 1,, D 3 1+ + 3+ 1 3 3+ 1 1 1 1 3 3 1 Q [l/min] ν [mm /s] D3 flow volume at ν = 3 mm /s ( = casing empty) kinematic viscosity at nominal flow, 1, 1,, D 33 1+ + 3+ 1 1+ 3+ 3 1 1 1 3 3 1 Q [l/min] ν [mm /s] Subject to change 3.3-e 1 Page 3
Filter fineness curves in Selection Chart, column Dx Filtration ratio β as a function of particle size x obtained by the Multi-Pass-Test according to ISO 19 The abbreviations represent the following β-values resp. finenesses: Filtration ratio β for particles> x µm Efficiency [%] For EXAPOR MAX and Paper elements: EX = β (c) = EXAPOR MAX 7EX = β 7 (c) = EXAPOR MAX 1EX = β 1 (c) = EXAPOR MAX 1EX = β 1 (c) = EXAPOR MAX 3P = β 3 (c) = Paper Based on the structure of the filter media of the 3P paper elements, deviations from the printed curves are quite probable. For special applications, finenesses differing from these curves are also available by using special composed filter material. Particle size x [µm] (for particles larger than the given particle size x) Order Information Optical or electrical indicators are available to monitor the clogging condition of the element. If the indicator should be already mounted onto the filter head use the abbreviation M behind the part number of the indicator. The printed order acknowledgements show both items separately. Order example: The Filter D 3- has to be supplied with optical clogging indicator - response pressure, bar. Order description: D 3- / DG -1 M Part No. (basic unit) Clogging indicator For the appropriate clogging indicator see catalogue sheet.3. Mounted Besides these mounted clogging indicators we also offer - with a certain order quantity - clogging indicators integrated in the filter head (as listed under dimensions ). Order examples: D 3- ED (electrical differential pressure switch) the switching pressure matches the D 3- OD (optical differential pressure indicator) cracking pressure of the by-pass valve Remarks: } The switching pressure of the clogging indicator has always to be lower than the cracking pressure of the by-pass valve (see Selection Chart, column 7). The filters listed in this chart are standard filters. Other designs available on request. Page Subject to change 3.3-e 1
Selection Chart Part No. Nominal flow rate Pressure drop see diagram D/curve no. Dirt-holding capacity Filter fineness see diagr. Dx Connection A/B Cracking pressure of by-pass Symbol Replacement filter element Part No. l/min g bar kg Weight Clogging indicator 1 3 7 9 1 11 1 D 1-3 D1/1 EX G1¼ 3, V3.17-3, optional - D 1-1 D1/ 1EX 33 G1¼ 3, V3.17-, optional - D 1- D1/3 1EX 33 G1¼ 3, V3.17-, optional - Remarks D 1-1 D1/ 3P 1 G1¼ 3, P3.17-1*, optional - D 1-3 1 D1/ EX G1¼ 7 V3.17-3, optional - D 1- D1/ 1EX 33 G1¼ 7 V3.17-, optional - D 3-3 1 D/1 EX 33 G1¼ 3, V3.3-3 3, optional - D 3-19 D/ 1EX 7 G1¼ 3, V3.3-3, optional - D 3-7 D/3 1EX G1¼ 3, V3.3-3, optional - D 3-1 D/ 3P G1¼ 3, P3.3-1* 3, optional - D 3-3 D/ EX 33 G1¼ 7 V3.3-3 3, optional - D 3-3 D/ 1EX 7 G1½ 7 V3.3-3, optional - D 33-3 17 D3/1 EX 9 G1¼ 3, V3.33-3, optional - D 33-7 D3/ 1EX 7 G1¼ 3, V3.33-, optional - D 33- D3/3 1EX G1¼ 3, V3.33-, optional - D 33-1 3 D3/ 3P 3 G1½ 3, P3.33-1*, optional - D 33-3 D3/ EX 9 G1¼ 7 V3.33-3, optional - D 33-3 D3/ 1EX 7 G1½ 7 V3.33-, optional - * Paper media supported with metal gauze Subject to change 3.3-e 1 Page
Dimensions Clogging indicator optional: Pressure holes plugged with screws M Version with electrical clogging indicator DG 1 Minimum distance from ferromagnetic parts: 7 mm Version OD with integrated optical clogging indicator Version ED with integrated electrical clogging indicator Minimum distance from ferromagnetic parts: 7 mm Terminalconnection Measurements Type A/B C D E F G H I K AF L M Ø/depth N O P Q R S T D 1 G1¼ 1 3 3 1 9 3 M1/1 11 AF 3 17 11 3 D 3 G1¼, G1½ 1 9 3 1 9 3 M1/1 11 AF 3 17 11 3 D 33 G1¼, G1½ 1 39 3 1 11 3 M1/1 11 AF 3 17 11 3 Type U V W X ED OD D 1 3 9 3 D 3 3 9 3 D 33 3 9 3 Symbols 1 3 7 P 1 P 1 P P Page Subject to change 3.3-e 1
Spare Parts 9 7 Pos. Designation Part No. 1 Filter bowl D 1 D 1.1 1 Filter bowl D 3 D 3.1 1 Filter bowl D 33 D 33.1 O-ring,7 x, N7. 3 Filter element (with seal) see Chart / col. 9 Hexagonal head screw M x DIN 933-. 113 Bonded seal,1 x 7, x 1 1 Reed switch with screws and socket (Pos. 7) HD 9.11 3 7 Socket DIN 3 - AF3 DG 1.1 Optical clogging indicator (with Pos. 9) D 3.1 9 O-ring 1,3 x, N7.1 1 The functions of the complete filters as well as the outstanding features of the filter elements assured by ARGO-HYTOS can only be guaranteed if original ARGO-HYTOS spare parts are used. Quality Assurance Quality management according to DIN EN ISO 91 To ensure constant quality in production and operation, ARGO-HYTOS filter elements undergo strict controls and tests according to the following ISO standards: ISO 91 ISO 9 ISO 93 ISO 39 ISO 19 ISO 311 Verification of collapse/burst pressure rating Verification of fabrication integrity (Bubble Point Test) Verification of material compatibility with fluids Evaluation of pressure drop versus flow characteristics Multi-Pass-Test (evaluation of filter fineness and dirt-holding capacity) Determination of resistance to flow fatigue using high viscosity fluid Before release into the series production the filter casing is tested for fatigue strength in our pressure pulse test rig. Various quality controls during the production process guarantee the leakfree function and solidity of our filters. Illustrations may sometimes differ from the original. ARGO-HYTOS is not responsible for any unintentional mistake in this specification sheet. Subject to change 3.3-e 1 Page 7