HM - HMS Series. 60 Hz
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1 6 Hz HM - HMS Series THREADED HORIZONTAL MULTISTAGE CENTRIFUGAL ELECTRIC PUMPS EQUIPPED WITH IE2/IE3 MOTORS COMPLYING WITH REGULATION (EC) no. 64/29 Cod Rev ev.b.b Ed.6/212
2 HM - HMS SERIES HYDRAULIC PERFORMANCE RANGE AT 6 Hz Q [Imp gpm] Q [US gpm] HM 4HM H [ft] H [m] HMS 4HMS Q [m 3 /h] Q [l/min] 4498_B_CH 2
3 CONTENTS HM-HMS series specifications...5 List of models and table of materials HM series...7 List of models and table of materials HMS series...8 Mechanical seal HM-HMS series Hydraulic performance table and electrical data HM series Hydraulic performance table and electrical data HMS series Motors for HM-HMS series Hydraulic performance range HM-HMS series at 6 Hz Dimensions and weights HM-HMS series Technical Appendix
4 4
5 Threaded horizontal multistage centrifugal electric pumps HM-HMS 6 Hz Series MARKET SECTORS INDUSTRIAL, CIVIL, AGRICULTURAL. APPLICATIONS Pumping of water for domestic (HM) and industrial use (HMS). Small irrigation systems. The HMS series pump can handle water (containing additives) having moderate chemical aggressiveness, but free of suspended solids. Composition of pressure booster units for various purposes. Pumping of liquids compatible with AISI 316L stainless steel (1.444) for HMS version. Liquid end made entirely of stainless steel for HMS Silent operation High performance and reliability Standard supplied IE2/IE3 motors are compliant with Regulation (EC) no. 64/29. SPECIFICATIONS PUMP Delivery: 2HM-4HM: up to 12 l/min (7,2 m 3 /h). 2HMS-4HMS: up to 14 l/min (8,4 m 3 /h). Head: 2HM-4HM: up to 57,9 m. 2HMS-4HMS: up to 61,8 m. Maximum operating pressure: 8 kpa (8 bar, PN 8). Temperature of pumped liquid: HM: -1 C to +6 C. HMS: -1 C to +9 C for household use (EN ). -1 C to +11 C for industrial/commercial use. MOTOR Asynchronous, squirrel cage rotor, close construction, external ventilation. Protection class: IP55 (motor), IPX5 (electric pump). Class 155 (F) Insulation. According to EN Standard voltage: - Single-phase versions: V 6 Hz, 2 poles, with automatic reset overload protection. - Three-phase versions: 22-23/38-4 V 6 Hz, 2 poles, the overload protection must be provided and installed by the user. 5
6 HM-HMS SERIES IDENTIFICATION TION CODE 2 HM 3 6 Z R T /_ NULL or LETTER ASSIGNED BY THE MANUFACTURER NULL T = SINGLE-PHASE = THREE-PHASE VERSION WITH REDUCED POWER Z VERSION 6 = 6 Hz RATED MOTOR POWER (kw x 1) SERIES NAME FLOW RATE m 3 /h EXAMPLE : 2HM36T HM electric pump series, flow rate 2 m 3 /h rated motor power,3 kw, 6 Hz, three-phase. RATING PLATE SINGLE-PHASE THREE-PHASE LEGEND 1 - Electric pump type 2 - Code 3 - Delivery range 4 - Head range 5 - Electrical data 6 - Serial number (date + sequential number) 8 - Minimum head 11 - Rated power 12 - Electric pump protection class 13 - Maximum temperature of pumped liquid 6
7 HM SERIES LIST OF MODELS AND TABLE OF MATERIALS HM SERIES TABLE OF MATERIALS REF. NAME MATERIAL REFERENCE STANDARDS N. EUROPE USA 1 Pump body Stainless steel EN X5CrNi18-1 (1.431) AISI 34 2 Impeller Noryl 3 Diffuser Stainless steel EN X5CrNi18-1 (1.431) AISI 34 4 Shaft extension Stainless steel EN X5CrNiMo (1.441) AISI Adapter Aluminium EN 176-AC-AlSi11Cu2 (Fe) (AC461) - 6 Seal housing Stainless steel EN X5CrNi18-1 (1.431) AISI 34 7 Mechanical seal Ceramic / Carbon / EPDM (standard version) 8 Elastomers EPDM 9 Fill / drain plugs Nickel-plated brass EN CuZn39Pb3 (CW614N) - 1 Bolts and screws Stainless steel EN X5CrNi18-1 (1.431) AISI 34 hm-hmz-en_b_tm 7
8 HMS SERIES LIST OF MODELS AND TABLE OF MATERIALS HMS SERIES TABLE OF MATERIALS REF. NAME MATERIAL REFERENCE STANDARDS N. EUROPE USA 1 Pump body Stainless steel EN X2CrNiMo (1.444) AISI 316L 2 Impeller Stainless steel EN X2CrNiMo (1.444) AISI 316L 3 Diffuser Stainless steel EN X2CrNiMo (1.444) AISI 316L 4 Shaft extension Stainless steel EN X5CrNiMo (1.441) AISI Adapter Aluminium EN 176-AC-AlSi11Cu2 (Fe) (AC461) - 6 Seal housing Stainless steel EN X2CrNiMo (1.444) AISI 316L 7 Mechanical seal Ceramic / Carbon / EPDM (standard version) 8 Elastomers EPDM 9 Fill / drain plugs Stainless steel EN X5CrNiMo (1.441) AISI Bolts and screws Stainless steel EN X5CrNiMo (1.441) AISI 316 hms-en_b_tm 8
9 HM-HMS, MECHANICAL SEAL, ACCORDING TO EN Mechanical seal with mounting dimensions according to EN12756 (ex DIN 2496) and ISO 369. LIST OF MATERIALS TYPE POSITION 1-2 POSITION 3 POSITION 4-5 B : Resin impregnated carbon P : NBR F : AISI 34 C : Special resin impregnated carbon E : EPDM G : AISI 316 Q 1 : Silicon carbide V : FPM U 3 : Tungsten carbide V : Ceramic MECHANICAL SEAL TYPES POSITION ROTATING ASSEMBLY FIXED ASSEMBLY ELASTOMERS SPRINGS OTHER COMPONENTS hm-ten-mec-en_a_tm TEMPERATURE STANDARD MECHANICAL SEAL V B E G G V B E G G OTHER TYPES OF MECHANICAL SEAL VCEGG V C E G G Q 1 Q 1 EGG Q 1 Q 1 E G G U 3 CEGG U 3 C E G G U 3 U 3 EGG U 3 U 3 E G G VBVGG V B V G G VCVGG V C V G G Q 1 Q 1 VGG Q 1 Q 1 V G G U 3 CVGG U 3 C V G G U 3 U 3 VGG U 3 U 3 V G G ( C ) hm-tipi-ten-mec-en_b_tc 9
10 COMPATIBILITY CHART FOR MATERIALS IN CONTACT WITH MOST COMMONLY USED LIQUIDS LIQUID CONCENTRATION TEMPERAT. SPECIF. 1, 3, 5, 1, 15, 22 SV 33, 46, 66, 92, 125 SV RECOMMEND. ELASTOM. MIN/MAX WEIGHT VERSION VERSION SEAL (%) ( C) (Kg/dm 3 ) Standard N Standard N Acetic acid ,5 Q 1 BEGG E Alkaline degreaser 5 8 Q 1 Q 1 VGG V Aluminium sulfate ,71 Q 1 Q 1 EGG E Ammonia in water ,99 Q 1 BEGG E Ammonium sulfate ,77 Q 1 Q 1 EGG E Benzoic acid ,31 Q 1 BVGG V Boric acid saturated ,43 Q 1 Q 1 VGG V Butyl alcohol ,81 Q 1 BVGG V Caustic soda ,13 Q 1 Q 1 EGG E Chloroform ,48 Q 1 BVGG V Citric acid ,54 Q 1 BEGG E Cleaning products Q 1 Q 1 VGG V Copper sulfate ,28 Q 1 Q 1 VGG V Cutting fluid ,9 Q 1 BVGG V Deionised, demineralised Q 1 BEGG water E Denatured alcohol ,81 Q 1 BEGG E Diathermic oil ,9 Q 1 BVGG V Emulsion oil and water any Q 1 BVGG V Ethyl alcohol ,81 Q 1 BEGG E Ethylene glycol Q 1 BEGG E Formaldehyde ,13 Q 1 Q 1 TGG T Formic acid ,22 Q 1 BEGG E Glycerine ,26 Q 1 BEGG E Hydraulic oil Q 1 BVGG V Hydrochloric acid ,2 Q 1 Q 1 VGG V Hydroxide sodium Q 1 Q 1 EGG E Iron sulfate ,9 Q 1 BEGG E Methyl alcohol ,79 Q 1 BEGG E Mineral oil ,94 Q 1 BVGG V Nitric acid ,48 Q 1 Q 1 VGG V Perchloroethylene ,6 Q 1 BVGG V Phosphates-polyphosphates Q 1 Q 1 VGG V Phosphoric acid ,33 Q 1 BEGG E Propyl alcohol (Propanol) ,8 Q 1 BEGG E Propylene glycol Q 1 BEGG E Sodium bicarbonate saturated Q 1 BEGG (Baking soda) E Sodium hypochlorite Q 1 Q 1 VGG V Sodium nitrate saturated ,25 Q 1 BEGG E Sodium sulfate ,6 Q 1 Q 1 EGG E Sulphuric acid ,84 Q 1 BVGG V Tannic acid 2 +5 Q 1 BEGG E Tartaric acid ,76 Q 1 Q 1 VGG V Trichloroethylene ,46 Q 1 BVGG V Uric acid ,89 Q 1 BEGG E Vegetable oil ,95 Q 1 BEGG E Water Q 1 BEGG E Water condensate Q 1 BEGG E Water detergents, mineral Q 1 Q 1 VGG oils mixture V The above table indicates the compatibility of materials depending on the pumped liquid. Check the specific weight of the liquid or the viscosity as this could affect the power input of the motor and hydraulic performance. For further details, please contact the sales network. tab-comp-sv-en_b_tm 1
11 HM SERIES HYDRAULIC PERFORMANCE TABLE AT 6 Hz, 2 POLES PUMP TYPE kw RATED POWER HP Q = DELIVERY l/min m 3 /h 1,2 1,8 2,4 3 3,6 4,2 4,8 6 7,2 H = TOTAL HEAD METERS COLUMN OF WATER 2HM36(T),3,4 23,1 21, 19,6 17,7 15,3 12,5 9, 2HM46(T),45,6 35, 31,5 29, 26, 22,4 18,3 13,5 2HM56(T),55,75 45,7 41,1 37,8 33,8 29, 23,4 17, 2HM76(T), ,8 52,5 48,6 43,6 37,5 3,5 22,5 4HM46(T),45,6 23,6 2, 18,8 17,5 16,1 14,6 11,3 7,6 4HM56(T),55,75 34,9 29,2 27,4 25,4 23,2 21, 16, 1,6 4HM76(T), ,5 4,1 37,8 35,3 32,5 29,5 22,8 15,2 4HM96(T),9 1,2 57,9 5, 47,3 44,3 41, 37,4 29, 19, hm-2p6-en_b_th HM SERIES ELECTRICAL DATA A AT 6 Hz, 2 POLES PUMP TYPE SINGLE- PHASE MOTOR INPUT INPUT CAPACITOR PUMP MOTOR INPUT INPUT INPUT TYPE POWER* CURRENT* TYPE TYPE POWER* CURRENT* CURRENT* V THREE V 38-4 V kw A µf / 45 V PHASE kw A A 2HM36 SM63HM/136,41 2,11 1 2HM36T SM63HM/33,33 1,25,72 2HM46 SM63HM/146,59 2, HM46T SM63HM/34,53 1,82 1,5 2HM56 SM63HM/156,79 3,8 16 2HM56T SM63HM/35,69 2,22 1,28 2HM76 SM71HM/176,97 4,43 2 2HM76T SM8HM/37PE,85 2,91 1,68 4HM46 SM63HM/146,55 2, HM46T SM63HM/34,49 1,75 1,1 4HM56 SM63HM/156,75 3, HM56T SM63HM/35,64 2,11 1,22 4HM76 SM71HM/176,98 4,47 2 4HM76T SM8HM/37PE,86 2,93 1,69 4HM96 SM71HM/176 1,8 4,93 2 4HM96T SM8HM/37PE,97 3,17 1,83 *Maximum value in specified range hm-2p6-en_d_te 11
12 HMS SERIES HYDRAULIC PERFORMANCE TABLE AT 6 Hz, 2 POLES PUMP TYPE kw RATED POWER HP Q = DELIVERY l/min m 3 /h 1,8 2,4 3 3,6 4,2 5,1 6 7,2 8,4 H = TOTAL HEAD METERS COLUMN OF WATER 2HMS36(T),3,4 15,8 13,2 12,3 11,2 9,9 8,5 5,7 2HMS46(T),45,6 29,7 24,6 22,5 2,1 17,3 14,3 8,9 2HMS76(T), ,5 39,6 36,8 33,6 29,9 25,4 17,2 2HMS96(T),9 1,2 61,8 52,7 48,9 44,6 39,6 33,6 22,9 4HMS36(T),3,4 14,1 11,6 11,1 1,6 9,8 8,8 7,3 5,4 4HMS56(T),55,75 26,4 21,7 2,7 19,7 18, 16, 13, 9,5 4HMS96(T),9 1,2 4,3 34,8 33,4 31,8 29,1 26,1 21,4 16,1 hms-2p6-en_b_th HMS SERIES ELECTRICAL DATA A AT 6 Hz, 2 POLES PUMP TYPE SINGLE- PHASE MOTOR INPUT INPUT CAPACITOR PUMP TYPE MOTOR INPUT INPUT INPUT TYPE POWER* CURRENT* TYPE POWER* CURRENT* CURRENT* V THREE V 38-4 V kw A µf / 45 V PHASE kw A A 2HMS36 SM63HM/136,43 2,15 1 2HMS36T SM63HM/33,35 1,28,74 2HMS46 SM63HM/146,65 3,1 14 2HMS46T SM63HM/34,6 1,94 1,12 2HMS76 SM71HM/176 1,1 4,62 2 2HMS76T SM8HM/37PE,9 3,1 1,74 2HMS96 SM71HM/196 1,32 6,1 25 2HMS96T SM8HM/311PE 1,2 4,4 2,33 4HMS36 SM63HM/136,48 2,33 1 4HMS36T SM63HM/33,41 1,39,8 4HMS56 SM63HM/156,78 3, HMS56T SM63HM/35,68 2,2 1,27 4HMS96 SM71HM/176 1,1 5,4 2 4HMS96T SM8HM/37PE 1, 3,25 1,88 *Maximum value in specified range hms-2p6-en_d_te 12
13 MOTORS FOR HM-HMS SERIES Standard supplied IE2/IE3 three-phase surface motors,75 kw are compliant with Regulation (EC) no. 64/29 and IEC Electrical performances according to EN Insulation class 155 (F). IP55 protection. Condensate drain plugs on standard version. Cooling by fan according to EN Cable gland metric size according to EN Standard voltage: Single-phase version: V 6 Hz (incorporated automatic-reset overload protection). Three-phase version : 22 V, 38 V Υ, 6 Hz (overload protection to be provided by the user). SINGLE-PHASE MOTORS AT 6 Hz, 2 POLES INPUT CURRENT CAPACITOR DATA FOR 22 V 6 Hz VOLTAGE P N MOTOR TYPE In (A) Tn kw V µf V min -1 ls / ln η % cosϕ Nm Ts/Tn Tm/Tn IEC SIZE Construction Design,3 SM63HM/ ,31-2, ,41 62,,95,85,68 1,88,4 SM63HM/ ,86-2, ,8 67,5,94 1,13,73 2,4,5 SM63HM/ ,57-3, ,73 66,8,95 1,42,69 2,7,75 SM71HM/ ,98-4, ,9 69,8,98 2,12,64 1,91,95 SM71HM/ ,4-5, ,8 72,9,98 2,69,58 1,86 SPECIAL THREE-PHASE MOTORS AT 6 Hz, 2 POLES hm-motm-2p6-en_a_te P N 22 V Y 38 V 23 V Y 4 V Efficiency η N % 38 V Y 66 V 4 V Y 69 V kw 4/4 3/4 2/4 4/4 3/4 2/4 4/4 3/4 2/4 4/4 3/4 2/4, , , ,75 83,4 82,4 79, 83,4 82,4 79, 83,4 82,4 79, 83,4 82,4 79, 1,1 85,6 85, 82,1 85,6 85, 82,1 85,6 85, 82,1 85,6 85, 82,1 3 IE Year of construction By June 211 Manufacturer Lowara srl Unipersonale Reg. No Montecchio Maggiore Vicenza - Italia P N N. of f N TN kw Model Poles Hz cosϕ ls / l N Nm Ts/T N Tm/Tn,3 SM63HM/33 63,83 4,17,89 2,62 2,27,4 SM63HM/34 63,81 4,76 1,16 3,48 2,15,5 SM63HM/ ,83 4,84 1,46 3,5 1,98,75 SM8HM/37PE 8,79 8,25 2,5 3,8 4,2 1,1 SM8HM/311PE 8,8 9,11 3,1 4,15 4,29 Voltage U N Operating conditions ** V Y Y Altitude T. amb ATEX P N 22 V 23 V 38 V 4 V 38 V 4 V 66 V 69 V n N above sea min/max kw I min -1 N (A) Level (m) C,3 1,47 1,45,85, ,4 1,96 1,89 1,13 1, ,5 2,25 2,18 1,3 1, ,75 3,3 3,1 1,75 1,74 1,75 1,74 1,1 1, 1,1 4,24 4,24 2,45 2,45 2,44 2,43 1,41 1,4 Note: Observe the regulations and codes locally in force regarding sorted waste disposal. ** Operating conditions to be referred to motor only. About electric pump, refer to limits in user s manual. IEC SIZE Construction Design SPECIAL See note. Data for 38 V / 6 Hz 1-15 / 4 No hm-ie2-mott-2p6-en_b_te 13
14 AVAILABLE AILABLE VOL OLTAGES MOTORS FOR HM-HMS SERIES SINGLE-PHASE 5 Hz 6 Hz THREE-PHASE - 2 POLES 5 Hz 6 Hz 5/6 Hz P N kw IEC SIZE 1 x x 1 1 x x x 1 1x x x 2-21 P N kw 3 x / x / x 2-28/ x / x 29-3/ x 44-46/- 3 x 5-525/- 3 x 22-23/ x / x 38-4/ x /- 3 x / x 2-28/ x / x 575/- 3 x 23/4 5 Hz 3 x 265/46 6 Hz,3 63 s - - s - o - -,3 s o o o o o o s o o o o o o o o o,4 63 s o o s - o - -,4 s o o o o o o s o o o o o o o o o,5 63 s - - s - o - -,5 s o o o o o o s o o o o o o o o o,75 71 s o o s o o o o,75 s o o o o o o s o o o o o o o o o,95 71 s o o s o o o o 1,1 s o o o o o o s o o o o o o o o o 3 x 4/69 5 Hz 3 x 46/- 6 Hz s = Standard voltage o = Optional voltage - = Not available hm-volt-lowa-en_a_te 14
15 HM-HMS SERIES HYDRAULIC PERFORMANCE RANGE AT 6 Hz, 2 POLES HM-HMS 345 [rpm] ISO Annex A Q [Imp 36 gpm] Q [US 44gpm] 19 H [m] H [ft] HM 4HM HMS HMS Q [m 1 3 /h] Q [l/min] 4495_A_CH 15
16 2HM SERIES OPERATING CHARACTERISTICS S AT 6 Hz, 2 POLES 2HM 345 [rpm] ISO Annex A Q [Imp gpm] Q 2 [US gpm] 2HM76 H [m] 5 2HM56 15 H [ft] 4 2HM HM NPSH [m] NPSH [ft] Q [m 3 /h] Q 8 [l/min] 449A_B_CH These performances are valid for liquids with density ρ = 1. Kg/dm 3 and kinematic viscosity ν = 1 mm 2 /sec. 16
17 4HM SERIES OPERATING CHARACTERISTICS S AT 6 Hz, 2 POLES 4HM 345 [rpm] ISO Annex A Q [Imp gpm] Q [US gpm] H [m] 6 4HM HM76 15 H [ft] 4 4HM HM NPSH [m] NPSH [ft] Q [m 3 /h] Q [l/min] 449B_B_CH These performances are valid for liquids with density ρ = 1. Kg/dm 3 and kinematic viscosity ν = 1 mm 2 /sec. 17
18 2HMS SERIES OPERATING CHARACTERISTICS S AT 6 Hz, 2 POLES 2HMS 345 [rpm] ISO Annex A Q [Imp 2 gpm] Q [US 25 gpm] H [m] 6 2HMS HMS76 H [ft] HMS HMS NPSH [m] NPSH [ft] Q [m 3 /h] Q [l/min] A_B_CH These performances are valid for liquids with density ρ = 1. Kg/dm 3 and kinematic viscosity ν = 1 mm 2 /sec. 18
19 4HMS SERIES OPERATING CHARACTERISTICS S AT 6 Hz, 2 POLES 4HMS 345 [rpm] ISO Annex A Q [Imp gpm] Q 4 [US gpm] 16 H [m] 4 4HMS H [ft] 3 1 4HMS HMS NPSH [m] NPSH [ft] Q [m 3 1 /h] Q 16 [l/min] 4491B_B_CH These performances are valid for liquids with density ρ = 1. Kg/dm 3 and kinematic viscosity ν = 1 mm 2 /sec. 19
20 HM-HMS SERIES DIMENSIONS AND WEIGHTS AT 6 Hz, 2 POLES PUMP TYPE DIMENSIONS (mm) WEIGHT NUMBER OF STAGES A D L L1 H kg 2HM36/A ,8 2HM46/A ,7 2HM56/A ,5 2HM76/A HM46/A ,3 4HM56/A ,1 4HM76/A ,6 4HM96/A ,4 2HM36T/A ,6 2HM46T/A ,6 2HM56T/A ,3 2HM76T/D ,5 4HM46T/A ,2 4HM56T/A HM76T/D ,5 4HM96T/D HMS36/A HMS46/A ,6 2HMS76/A HMS96/A HMS36/A HMS56/A ,5 4HMS96/A HMS36T/A HMS46T/A ,2 2HMS76T/D HMS96T/D ,5 4HMS36T/A ,8 4HMS56T/A ,5 4HMS96T/D hm-hms-2p6-en_d_td 2
21 TECHNICAL APPENDIX 21
22 TYPICAL APPLICATIONS HM SERIES ELECTRIC PUMPS Water Purification: Filtration De-ionized water Water treatment Commercial and residential pools Plastic Industry: Temperature Regulators Extrusion machines Manufacture of polymers Heat treatment Agricultural Residential Applications: Irrigation Greenhouses Humidifiers Water supply Heating, Ventilating & Air Conditioning: Air scrubbers Water re-circulation Cooling towers Cooling systems Temperature control Chillers Induction heating Heat exchangers Water heating Waste Management: Waste treatment Pollution control Machine Tool: Degreasing Parts washing Chemical treatment Graphics: Film washing Cooling processes Marine Sector: Water on board ships Computers: Circuit board washing Unit cooling Laundry: Commercial washers Food and Drink: Food processing Bottle washing Citrus processing Dishwashing Brewing Sanitary ware General Industry: Spray booths Light chemical transfer Booster systems Medical: Laser cooling Massage Medical chillers Sanitary equipment TECHNICAL APPENDIX 22
23 NPSH The minimum operating values that can be reached at the pump suction end are limited by the onset of cavitation. Cavitation is the formation of vapour-filled cavities within liquids where the pressure is locally reduced to a critical value, or where the local pressure is equal to, or just below the vapour pressure of the liquid. The vapour-filled cavities flow with the current and when they reach a higher pressure area the vapour contained in the cavities condenses. The cavities collide, generating pressure waves that are transmitted to the walls. These, being subjected to stress cycles, gradually become deformed and yield due to fatigue. This phenomenon, characterized by a metallic noise produced by the hammering on the pipe walls, is called incipient cavitation. The damage caused by cavitation may be magnified by electrochemical corrosion and a local rise in temperature due to the plastic deformation of the walls. The materials that offer the highest resistance to heat and corrosion are alloy steels, especially austenitic steel. The conditions that trigger cavitation may be assessed by calculating the total net suction head, referred to in technical literature with the acronym NPSH (Net Positive Suction Head). The NPSH represents the total energy (expressed in m.) of the liquid measured at suction under conditions of incipient cavitation, excluding the vapour pressure (expressed in m.) that the liquid has at the pump inlet. To find the static height hz at which to install the machine under safe conditions, the following formula must be verified: hp + hz (NPSHr +.5) + hf + hpv where: hp is the absolute pressure applied to the free liquid surface in the suction tank, expressed in m. of liquid; hp is the quotient between the barometric pressure and the specific weight of the liquid. hz is the suction lift between the pump axis and the free liquid surface in the suction tank, expressed in m.; hz is negative when the liquid level is lower than the pump axis. hf is the flow resistance in the suction line and its accessories, such as: fittings, foot valve, gate valve, elbows, etc. hpv is the vapour pressure of the liquid at the operating temperature, expressed in m. of liquid. hpv is the quotient between the Pv vapour pressure and the liquid s specific weight.,5 is the safety factor. 1 The maximum possible suction head for installation depends on the value of the atmospheric pressure (i.e. the elevation above sea level at which the pump is installed) and the temperature of the liquid. To help the user, with reference to water temperature (4 C) and to the elevation above sea level, the following tables show the drop in hydraulic pressure head in relation to the elevation above sea level, and the suction loss in relation to temperature. Water temperature ( C) Suction loss (m),2,7 2, 5, 7,4 15,4 21,5 Elevation above sea level (m) Suction loss (m),55 1,1 1,65 2,2 2,75 3,3 Friction loss is shown in the tables at pages of this catalogue. To reduce it to a minimum, especially in cases of high suction head (over 4-5 m.) or within the operating limits with high flow rates, we recommend using a suction line having a larger diameter than that of the pump s suction port. It is always a good idea to position the pump as close as possible to the liquid to be pumped. Make the following calculation: Liquid: water at ~15 C γ = 1 kg/dm 3 Flow rate required: 3 m 3 /h Head for required delivery: 43 m. Suction lift: 3,5 m. The selection is an FHE 4-2/75 pump whose NPSH required value is, at 3 m 3 /h, di 2,5 m. For water at 15 C hp = Pa / γ = 1,33m, hpv = Pv / γ =,174m (,171 bar) The Hf flow resistance in the suction line with foot valves is ~ 1,2 m. By substituting the parameters in formula 1 with the numeric values above, we have: 1,33 + (-3,5) (2,5 +,5) + 1,2 +,17 from which we have: 6,8 > 4,4 The relation is therefore verified. 23 TECHNICAL APPENDIX
24 TECHNICAL APPENDIX VAPOUR PRESSURE PS VAPOUR PRESSURE AND ρ DENSITY OF WATER TABLE t T ps ρ t T ps ρ t T ps ρ C K bar kg/dm 3 C K bar kg/dm 3 C K bar kg/dm 3 273,15,611, ,15,15741, ,15 1,9854, ,15,657, ,15,16511, ,15 2,1145, ,15,76, ,15,17313, ,15 2,254, ,15,758, ,15,18147, ,15 2,3933, ,15,813 1, ,15,1916, ,15 2,5435, ,15,872 1, 6 333,15,1992, ,15 2,713, ,15,935 1, ,15,286, ,15 2,867, ,15,11, ,15,2184, ,15 3,41, ,15,172, ,15,2286, ,15 3,223, ,15,1147, ,15,2391, ,15 3,414, ,15,1227, ,15,251, ,15 3,614, ,15,1312, ,15,2615, ,15 4,155, ,15,141, ,15,2733, ,15 5,433, ,15,1497, ,15,2856, ,15 6,181, ,15,1597, ,15,2984, ,15 7,8, ,15,174, ,15,3116, ,15 7,92, ,15,1817, ,15,3253, ,15 8,924, ,15,1936, ,15,3396, ,15 1,27, ,15,262, ,15,3543, ,15 11,233, ,15,2196, ,15,3696, ,15 12,551, ,15,2337, ,15,3855, ,15 13,987, ,15,2485, ,15,419, ,15 15,55, ,15,2642, ,15,4189, ,15 17,243, ,15,288, ,15,4365, ,15 19,77, ,15,2982, ,15,4547, ,15 21,6, ,15,3166, ,15,4736, ,15 23,198, ,15,336, ,15,4931, ,15 25,51, ,15,3564, ,15,5133, ,15 27,976, ,15,3778, ,15,5342, ,15 3,632, ,15,44, ,15,5557, ,15 33,478, ,15,4241, ,15,578, ,15 36,523, ,15,4491, ,15,611, ,15 39,776, ,15,4753, ,15,6249, ,15 43,246, ,15,529, ,15,6495, ,15 46,943, ,15,5318, ,15,6749, ,15 5,877, ,15,5622, ,15,711, ,15 55,58, ,15,594, ,15,7281, ,15 59,496, ,15,6274, ,15,7561, ,15 64,22, ,15,6624, ,15,7849, ,15 69,186, ,15,6991, ,15,8146, ,15 74,461, ,15,7375, ,15,8453, ,15 8,37, ,15,7777, ,15,8769, ,15 85,927, ,15,8198, ,15,994, ,15 92,144, ,15,9639, ,15,943, ,15 98,7, ,15,91, ,15,9776, ,15 15,61, ,15,9582, ,15 1,133, ,15 112,89, ,15,186, ,15 1,878, ,15 12,56, ,15,1612, ,15 1,1668, ,15 128,63, ,15,11162, ,15 1,254, ,15 146,5, ,15,11736, ,15 1,339, ,15 165,35, ,15,12335, ,15 1,4327, ,15 186,75, ,15,12961, ,15 1,5316, ,15 21,54, ,15,13613, ,15 1,6362, ,15 647,3 221,2, ,15,14293, ,15 1,7465, ,15,152, ,15 1,8628,9445 G-at_npsh_a_sc TECHNICAL APPENDIX 24
25 TABLE OF FLOW RESISTANCE IN 1 m OF STRAIGHT CAST IRON PIPELINE (HAZEN-WILLIAMS FORMULA C=1) FLOW RATE NOMINAL DIAMETER in mm and INCHES m 3 /h l/min /2" 3/4" 1" 1 1/4" 1 1/2" 2 2 1/2" 3" 4" 5" 6" 7" 8" 1" 12" 14" 16",6 1 v,94,53,34,21,13 hr 16 3,94 1,33,4,13 The hr values must be multiplied by:,9 15 v 1,42,8,51,31,2.71 for galvanized or painted steel pipes hr 33,9 8,35 2,82,85,29.54 for stainless steel or copper pipes 1,2 2 v 1,89 1,6,68,41,27,17.47 for PVC or PE pipes hr 57,7 14,21 4,79 1,44,49,16 1,5 25 v 2,36 1,33,85,52,33,21 hr 87,2 21,5 7,24 2,18,73,25 1,8 3 v 2,83 1,59 1,2,62,4,25 hr 122 3,1 1,1 3,5 1,3,35 2,1 35 v 3,3 1,86 1,19,73,46,3 hr 162 4, 13,5 4,6 1,37,46 2,4 4 v 2,12 1,36,83,53,34,2 hr 51,2 17,3 5,19 1,75,59, v 2,65 1,7 1,4,66,42,25 hr 77,4 26,1 7,85 2,65,89,25 3,6 6 v 3,18 2,4 1,24,8,51,3 hr 18 36,6 11, 3,71 1,25,35 4,2 7 v 3,72 2,38 1,45,93,59,35 hr ,7 14,6 4,93 1,66,46 4,8 8 v 4,25 2,72 1,66 1,6,68,4 hr ,3 18,7 6,32 2,13,59 5, v v 3,6 3,4 1,87 2,7 1,19 1,33,76,85,45,5,3,33 hr hr 77,5 94,1 23,3 28,3 7,85 9,54 2,65 3,22,74,9,27,33 7, v v 4,25 3,11 2,59 1,99 1,66 1,27 1,6,75,63,5,41,32 hr hr ,9 42,8 2,2 14,4 6,82 4,86 1,9 1,36,69,49,23 1,5 175 v 3,63 2,32 1,49,88,58,37 hr 79,7 26,9 9,7 2,53,92, v 4,15 2,65 1,7 1,1,66,42 hr 12 34,4 11,6 3,23 1,18, v v 5,18 3,98 3,32 2,55 2,12 1,51 1,26 1,,83,64,53,41,34 hr hr ,8 52, 24,6 17,5 6,85 4,89 2,49 1,78,84,6,28, v v v v 5,31 6,63 5,1 5,94 3,4 4,25 3,2 3,52 2,1 2,51 1,99 2,32 1,33 1,66 1,27 1,49,85 1,6,82,95,54,68,57,66,38,47,42,49 hr hr hr hr , ,8 63,2 24,7 32,8 11,66 17,6 8,98 11,9 4,24 6,41 3,3 4,3 1,43 2,16 1,2 1,36,48,73,42,56,2,3,2, v v 6,79 7,64 4,2 4,52 2,65 2,99 1,7 1,91 1,9 1,22,75,85,55,62 hr hr , 52,3 15,3 19, 5,16 6,41 1,74 2,16,72,89,34, v 5,3 3,32 2,12 1,36,94,69,53 hr 63,5 23,1 7,79 2,63 1,8,51, v 6,28 4,15 2,65 1,7 1,18,87,66 hr 96, 34,9 11,8 3,97 1,63,77, v v 7,54 8,79 4,98 5,81 3,18 3,72 2,4 2,38 1,42 1,65 1,4 1,21,8,93 hr hr ,9 65,1 16,5 21,9 5,57 7,4 2,29 3,5 1,8 1,44,56, v 6,63 4,25 2,72 1,89 1,39 1,6,68 hr 83,3 28,1 9,48 3,9 1,84,96, v 8,29 5,31 3,4 2,36 1,73 1,33,85 hr ,5 14,3 5,89 2,78 1,45, v 6,37 4,8 2,83 2,8 1,59 1,2,71 hr 59,5 2,1 8,26 3,9 2,3,69, v 7,43 4,76 3,3 2,43 1,86 1,19,83 hr 79,1 26,7 11, 5,18 2,71,91, v 8,49 5,44 3,77 2,77 2,12 1,36,94 hr 11 34,2 14,1 6,64 3,46 1,17, v 6,79 4,72 3,47 2,65 1,7 1,18 hr 51,6 21,2 1, 5,23 1,77, v 8,15 5,66 4,16 3,18 2,4 1,42 hr 72,3 29,8 14,1 7,33 2,47 1, v 6,61 4,85 3,72 2,38 1,65 1,21 hr 39,6 18,7 9,75 3,29 1,35, v 7,55 5,55 4,25 2,72 1,89 1,39 hr 5,7 23,9 12,49 4,21 1,73, v 8,49 6,24 4,78 3,6 2,12 1,56 1,19 hr 63, 29,8 15,5 5,24 2,16 1,2, G-at-pct_a_th v 6,93 5,31 3,4 2,36 1,73 1,33 hr 36,2 18,9 6,36 2,62 1,24,65 hr = flow resistance for 1m of straight pipeline (m) V = water speed (m/s) 25 TECHNICAL APPENDIX
26 FLOW RESISTANCE TABLE OF FLOW RESISTANCE IN BENDS, VALVES AND GATES The flow resistance is calculated using the equivalent pipeline length method according to the table below: ACCESSORY TYPE Equivalent pipeline length (m) 45 bend,2,2,4,4,6,6,9 1,1 1,5 1,9 2,4 2,8 9 bend,4,6,9 1,1 1,3 1,5 2,1 2,6 3, 3,9 4,7 5,8 9 smooth bend,4,4,4,6,9 1,1 1,3 1,7 1,9 2,8 3,4 3,9 Union tee or cross 1,1 1,3 1,7 2,1 2,6 3,2 4,3 5,3 6,4 7,5 1,7 12,8 Gate - - -,2,2,2,4,4,6,9 1,1 1,3 Non return valve 1,1 1,5 1,9 2,4 3, 3,4 4,7 5,9 7,4 9,6 11,8 13,9 The table is valid for the Hazen Williams coefficient C = 1 (cast iron pipework). For steel pipework, multiply the values by For stainless steel, copper and coated cast iron pipework, multiply the values by When the equivalent pipeline length has been determined, the flow resistance is obtained from the table of flow resistance. The values given are guideline values which are bound to vary slightly according to the model, especially for gate valves and non-return valves, for which it is a good idea to check the values supplied by the manufacturers. DN G-a-pcv_a_th TECHNICAL APPENDIX 26
27 VOLUMETRIC CAPACITY ACITY Litres Cubic metres Cubic feet Cubic feet Imp. gal. US gal. per minute per hour per hour per minute per minute per minute l/min m 3 /h ft 3 /h ft 3 /min Imp. gal/min Us gal./min 1,,6 2,1189,353,22, ,6667 1, 35,3147,5886 3,6662 4,429,4719,283 1,,167,138, ,3168 1,699 6, 1, 6,2288 7,485 4,5461,2728 9,6326,165 1, 1,29 3,7854,2271 8,28,1337,8327 1, PRESSURE SURE AND AND HEAD HEAD Newton per kilo Pascal bar Pound force per metre millimetre of square metre square inch of water mercury N/m 2 kpa bar psi m H 2 O mm Hg 1,,1 1 x x x 1-4,75 1, 1,,1,145,12 7,56 1 x 1 5 1, 1, 14,538 1, , ,757 6,8948,689 1,,731 51, ,65 9,867,981 1,4223 1, 73, ,322,1333,13,193,136 1, LENGTH millimetre centimetre metre inch foot yard VOLUME mm cm m in ft yd 1,,1,1,394,33,11 1, 1,,1,3937,328,19 1, 1, 1, 39,371 3,288 1,936 25,4 2,54,254 1,,833,278 34,8 3,48,348 12, 1,, ,4 91,44, , 3, 1, cubic metre litre millilitre imp. Gallon US gallon cubic foot m 3 litro ml imp. gal. US gal. ft 3 1, 1, 1 x , ,172 35,3147,1 1, 1,,22,2642,353 1 x 1-6,1 1, 2.2 x x x 1-5,45 4, ,87 1, 1,29,165,38 3, ,412,8327 1,,1337,283 28, ,8466 6,2288 7,485 1, G-at_pp-en_a_sc 27 TECHNICAL APPENDIX
28 FURTHER PRODUCT SELECTION AND DOCUMENTATION TION Xylect Xylect is pump solution selection software with an extensive online database of product information across the entire Lowara, and Vogel range of pumps and related products, with multiple search options and helpful project management facilities. The system holds up-to-date product information on thousands of products and accessories. The possibility to search by applications and the detailed information output given makes it easy to make the optimal selection without having detailed knowledge about the Lowara and Vogel products. The search can be made by: Application Product type Duty point Xylect gives a detailed output: List with search results Performance curves (flow, head, power, efficiency, NPSH) Motor data Dimensional drawings Options Data sheet printouts Document downloads incl dxf files The search by application guides users not familiar with the product range to the right choice. TECHNICAL APPENDIX 28
29 FURTHER PRODUCT SELECTION AND DOCUMENTATION TION Xylect The detailed output makes it easy to select the optimal pump from the given alternatives. The best way to work with Xylect is to create a personal account. This makes it possible to: Set own standard units Create and save projects Share projects with other Xylect users Every user have a My Xylect space, where all projects are saved. For more information about Xylect please contact our sales network or visit Dimensional drawings appear on the screen and can be downloaded in dxf format. 29 TECHNICAL APPENDIX
30 3
31
32 Xylem 1) The tissue in plants that brings water upward from the roots; 2) a leading global water technology company. We re 12, people unified in a common purpose: creating innovative solutions to meet our world s water needs. Developing new technologies that will improve the way water is used, conserved, and re-used in the future is central to our work. We move, treat, analyze, and return water to the environment, and we help people use water efficiently, in their homes, buildings, factories and farms. In more than 15 countries, we have strong, long-standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise, backed by a legacy of innovation. For more information on how Xylem can help you, go to xyleminc.com. Headquarters LOWARA S.r.l. Unipersonale Via Vittorio Lombardi Montecchio Maggiore - Vicenza - Italy Tel.(+39) Fax(+39) lowara.mkt@xyleminc.com web: LOWARA reserves the right to make modification without prior notice. LOWARA is a trademark of Xylem Inc. or one of its subsidiaries.
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5 Hz HM - HMZ - HMS Series THREADED HORIZONTAL MULTISTAGE CENTRIFUGAL ELECTRIC PUMPS EQUIPPED WITH IE2 MOTORS COMPLYING WITH REGULATION (EC) no. 64/29 Cod. 1913891 Rev ev.b.b Ed.1/212 HM - HMZ - HMS SERIES
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