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PBG shielded pipeline centrifugal pump

The PBG shielded pipeline centrifugal pump improves the core electromagnetic technology on the basis of the original, improves the state of fluid movement, and improves the efficiency by more than 10%. The comprehensive performance indicators have reached a level and the product is more ideal.

SPG canned pump is a water pump with integrated structure of motor and pump body. It only has a static seal (not a rotating shaft seal), so it can be completely leak-free. Because of the low noise of the motor itself, coupled with the low failure rate of the canned pump, high reliability, and maintenance costs, it has won the welcome of customers, and has also increased the demand for high-quality water pumps in the Chinese market. The products are widely used in petroleum, chemical industry, medicine, textile, nuclear power, military and urban water supply and drainage, fire pressure boosting, high-rise building pressurized water supply, garden sprinkler irrigation, HVAC, and other cold and warm water circulation pressurization. Especially places with high requirements on vibration and noise, such as key projects, pump rooms, central air-conditioning, etc. It can also be used to transport liquids that do not produce crystallization and solidification under pressure and temperature, especially harmful and unsafe liquids and precious liquids that are harmful to the human body and the environment, such as highly corrosive, highly toxic, volatile, radioactive and other media.

model Flow Q Head H
(m)
Efficiency η
(%)
Speed n
(r / min)
Motor Power
(kw)
Required cavitation margin
(m)
weight
(kg)
(m 3 / h) (L / s)
PBG40-100 6.3 1.75 12.5 54 1450 0.55 3.5 32
PBG40-100A 5.6 1.56 10 52 1450 0.37 3.5 32
PBG40-125 6.3 1.75 20 46 1450 1.1 3.5 34
PBG40-125A 5.6 1.56 16 45 2900 0.75 3.5 33
PBG40-160 6.3 1.75 32 40 2900 2.2 3.5 47
PBG40-160A 5.9 1.64 28 39 2900 1.5 3.5 43
PBG40-160B 5.5 1.53 twenty four 38 2900 1.1 3.5 38
PBG40-200 6.3 1.75 50 33 2900 4.0 3.5 74
PBG40-200A 5.9 1.64 44 31 2900 3.0 3.5 62
PBG40-200B 5.3 1.47 36 29 2900 2.2 3.5 52
PBG40-250 6.3 1.75 80 28 2900 7.5 3.5 105
PBG40-250A 5.9 1.64 70 28 2900 5.5 3.5 98
PBG40-250B 5.5 1.53 60 27 2900 4.0 3.5 77
PBG40-100 (I) 12.5 3.47 12.5 62 1450 1.1 3.5 34
PBG40-100 (I) A 11 3.05 10 60 1450 0.75 3.5 31
PBG40-125 (I) 12.5 3.47 20 58 1450 1.5 3.5 38
PBG40-125 (I) A 11 3.05 16 57 1450 1.1 3.5 33
PBG40-160 (I) 12.5 3.47 32 52 2900 3.0 3.5 56
PBG40-160 (I) A 11.7 3.25 28 51 2900 2.2 3.5 47
PBG40-160 (I) B 10.4 2.89 twenty two 50 2900 1.5 3.5 43
PBG40-200 (I) 12.5 3.47 50 46 2900 5.5 3.5 85
PBG40-200 (I) A 11.7 3.25 44 45 2900 4.0 3.5 75
PBG40-200 (I) B 10.6 2.94 36 44 2900 3.0 3.5 63
PBG40-250 (I) 12.5 3.47 80 38 2900 11 3.5 145
PBG40-250 (I) A 11.6 3.22 70 38 2900 7.5 3.5 95
PBG40-250 (I) B 10.8 3.0 60 37 2900 7.5 3.5 94
PBG40-250 (I) C 10.0 2.78 52 36 2900 5.5 3.5 88
PBG50-100 12.5 3.47 12.5 62 1450 1.1 3.5 36
PBG50-100A 11 3.05 10 60 1450 0.75 3.5 35
PBG50-125 12.5 3.47 20 58 1450 1.5 3.5 43
PBG50-125A 11 3.05 16 57 1450 1.1 3.5 38
PBG50-160 12.5 3.47 32 52 2900 3.0 3.5 59
PBG50-160A 11.7 3.25 28 51 2900 2.2 3.5 51
PBG50-160B 10.4 2.89 twenty two 50 2900 1.5 3.5 47
PBG50-200 12.5 3.47 50 46 2900 5.5 3.5 101
PBG50-200A 11.7 3.25 44 45 2900 4.0 3.5 80
PBG50-200B 10.6 2.94 36 44 2900 3.0 3.5 68
PBG50-250 12.5 3.47 80 38 2900 11 3.5 160
PBG50-250A 11.6 3.22 70 38 2900 7.5 3.5 115
PBG50-250B 10.8 3.0 60 37 2900 7.5 3.5 114
PBG50-250C 10.0 2.78 52 36 2900 5.5 3.5 108
PBG50-100 (I) 25 6.94 12.5 69 1450 1.5 3.8 41
PBG50-100 (I) A 22.3 6.19 10 67 1450 1.1 3.8 36
PBG50-125 (I) 25 6.94 20 68 1450 3.0 3.8 56
PBG50-125 (I) A 22.3 6.49 16 66 1450 2.2 3.8 48
PBG50-160 (I) 25 6.94 32 63 1450 4.0 3.8 72
PBG50-160 (I) A 23.4 6.5 28 62 1450 4.0 3.8 71
PBG50-160 (I) B 21.6 6.0 twenty four 58 1450 3.0 3.8 59
PBG50-200 (I) 25 6.94 50 58 2900 7.5 3.8 108
PBG50-200 (I) A 23.5 6.53 44 57 2900 7.5 3.8 107
PBG50-200 (I) B 21.8 6.06 38 55 2900 5.5 3.8 100
PBG50-250 (I) 25 6.94 80 50 2900 15.0 3.8 175
PBG50-250 (I) A 23.4 6.5 70 50 2900 11.0 3.8 165
PBG50-250 (I) B 21.6 6.0 60 48 2900 11.0 3.8 165
PBG50-315 (I) 25 6.94 125 40 2900 30.0 3.8 310
PBG50-315 (I) A 23.7 6.58 113 40 2900 22.0 3.8 245
PBG50-315 (I) B 22.5 6.25 101 39 2900 18.5 3.8 215
PBG50-315 (I) C 20.6 5.72 85 38 2900 15.0 3.8 195
PBG65-100 25 6.94 12.5 69 1450 1.2 3.8 46
PBG65-100A 22.3 6.19 10 67 1450 1.1 3.8 41
PBG65-125 25 6.94 20 68 1450 3.0 3.8 58
PBG65-125A 22.3 6.19 16 66 1450 2.2 3.8 49
PBG65-160 25 6.94 32 63 1450 4.0 3.8 75
PBG65-160A 23.4 6.5 28 62 1450 4.0 3.8 75
PBG65-160B 21.6 6.0 twenty four 58 1450 3.0 3.8 63
PBG65-200 25 6.94 50 58 2900 7.5 3.8 107
PBG65-200A 23.5 6.53 44 57 2900 7.5 3.8 107
PBG65-200B 21.8 6.06 38 55 2900 5.5 3.8 100
PBG65-250 25 6.94 80 50 2900 15.0 3.8 180
PBG65-250A 23.4 6.5 70 50 2900 11.0 3.8 170
PBG65-250B 21.6 6.0 60 49 2900 11.0 3.8 170
PBG65-315 25 6.94 125 40 2900 30. 3.8 320
PBG65-315A 23.7 6.58 113 40 2900 22.0 3.8 255
PBG65-315B 22.5 6.25 101 39 2900 18.5 3.8 225
PBG65-315C 20.6 5.72 85 38 2900 15.5 3.8 205
PBG65-100 (I) 50 13.9 12.5 73 1450 3.0 4.2 63
PBG65-100 (I) A 44.7 12.5 10 72 1450 2.2 4.2 53
PBG65-125 (I) 50 13.9 20 72.5 1450 5.5 4.2 99
PBG65-125 (I) A 45 12.5 16 71 1450 4.0 4.2 78
PBG65-160 (I) 50 13.9 32 71 1450 7.5 4.2 103
PBG65-160 (I) A 46.7 13.0 28 70 1450 7.5 4.2 103
PBG65-160 (I) B 43.3 12.0 twenty four 69 1450 5.5 4.2 97
PBG65-200 (I) 50 13.9 50 67 2900 15.0 4.2 176
PBG65-200 (I) A 47 13.1 44 66 2900 11.0 4.2 166
PBG65-200 (I) B 43.5 12.1 38 65 2900 7.5 4.2 114
PBG65-250 (I) 50 13.9 80 59 2900 22.0 4.2 235
PBG65-250 (I) A 46.7 13.0 70 59 2900 18.5 4.2 205
PBG65-250 (I) B 43.3 12.0 60 58 2900 15.0 4.2 180
PBG65-315 (I) 50 13.9 125 54 2900 34.0 4.2 350
PBG65-315 (I) A 46.5 12.9 110 54 2900 30.0 4.2 355
PBG65-315 (I) B 44.5 12.4 100 53 2900 30.0 4.2 335
PBG65-315 (I) C 41 11.4 85 51 2900 22.0 4.2 270
PBG80-100 50 13.9 12.5 73 1450 3.0 4.2 63
PBG80-100A 44.7 12.4 10 72 1450 2.2 4.2 54

Troubleshooting centrifugal pumps

Corrosion resistance of main materials of pumps (for reference)

medium concentration
(%)
Polypropylene concentration
(%)
ABC
25 ° C 50 ° C 20 ° C 60 ° C
sulfuric acid 60 <30 X
Nitric acid 25 20 Ο
hydrochloric acid <36 <38
Hydrofluoric acid 35 40 X
acetic acid <80 <20 Ο
Sodium hydroxide 100
Potassium dichromate 25
Smelly water X Ο X
Ethanol <50
acetone 10 Ο
Tetrachloroethane Ο Ο X
Freon 22 Ο Ο
Bleach CL13% CL12.5% Ο Ο
Plating solution Ο X
Photographic fluid

medium concentration
(%)
stainless steel concentration
(%)
ceramics
25 ° C 50 ° C 25 ° C 50 ° C
sulfuric acid <5 X
Nitric acid 70
hydrochloric acid X
Hydrofluoric acid X 0 to 100 X
acetic acid <20
Sodium hydroxide 70 Ο X
Potassium dichromate 40 ~ 60 10 ~ 20
Smelly water Ο
Ethanol
acetone
Tetrachloroethane 50
Freon 22
Bleach CL12% X
Plating solution
Photographic fluid

Note: △ is excellent; √ is good; 0 is available, but there is obvious corrosion; X is severely corroded and not applicable.


Physical and mechanical properties of PVDF

performance unit according to
density g / cm3 1.75-1.79
Ratio cm3 / g 0.56-0.75
Melting range 0c 155-170
Refractive index n25D 1.42
Molding shrinkage % 2-3
Stretch strong hair (yield) Mpa 28-41
Stretching strong hair (break) Mpa 31-52
Elongation (break) % 100-400
Impact strength (no notch) KJ / m 107-214
Compressive strength Mpa 55-69
Hardness (Shore D) 70-80
Wear-resistant mg / 1000r 7.0-9.0
Limiting oxygen index (l0 I) % 44
Burning rate VD
Resistivity u194 1.0x10 15
Common dielectrics 10 31 CYCles 9.7


Polyvinylidene fluoride (PVDF) chemical resistance

Chemical media concentration
(%)
Maximum use temperature ℃ Chemical media concentration
(%)
Maximum use temperature ℃ Chemical media concentration
(%)
Maximum use temperature ℃
hydrochloric acid 36 135 Hydrogen hydroxide <10 85 Ethanol 135
sulfuric acid <60 120 Hydrogen hydroxide 50 50 Diethyl ether 50
sulfuric acid 80-93 95 Ammonium carbonate 110 formaldehyde 37 50
sulfuric acid 90 65 Calcium carbonate 135 acetone 10% water solution 50
Nitric acid <50 50 Sodium carbonate Aqueous solution 135 Hydrazine Aqueous solution 95
Phosphoric acid <85 135 Sodium bicarbonate Aqueous solution 120 benzene 75
Phosphoric acid 85 110 ammonia 110 aniline 50
acetic acid 10 110 brine 135 Toluene 85
acetic acid 80 80 Sodium hydrogen phosphate Aqueous solution 120 phenol 50
acetic acid 100 50 Calcium phosphate Aqueous solution 135 chlorobenzene 135
Trichloroacetic acid <10 95 Calcium Oxide Aqueous solution 135 Naphthalene 95
Trichloroacetic acid 50 50 Potassium oxide Aqueous solution 135 Methyl chloride 135
oxalic acid 50 Ammonium oxide Aqueous solution 135 Chloroform 50
Benzenesulfonic acid Aqueous solution 50 Iron oxide Aqueous solution 135 Carbon tetrachloride 135
Hydrofluoric acid 40-100 95 Ferrous sulfate Aqueous solution 135 Ethyl chloride 135
Hydrofluoric acid 40 120 Ammonium sulfate Aqueous solution 135 1.2 Trichloroethane 135
Hydrobromic acid 50 130 Ammonium sulfate Aqueous solution 135 1.1.2 Trichloroethane 65
Peroxyacid 10 95 Sodium nitrate Aqueous solution 135 Tetrachloroethane 120
Peroxyacid 70 50 Ammonium phosphate Aqueous solution 135 Vinyl chloride 95
Sodium hypochlorite 6-15 95 Urea Aqueous solution 120 Trichloroethylene 135
Potassium chlorate 100 carbon dioxide 80 Dichloroethylene 110
Chromic acid <40 80 carbon dioxide 75 natural gas 135
Chromic acid 50 50 carbon dioxide 65 Fuel oil 135
Potassium ferrate 120 chlorine element 95 Paraffin oil 120
hydrogen peroxide <30 95 bromine element 65
Sodium peroxide 95 iodine element 65



Corrosion performance table of fluoroplastic (for reference only)

Temperature, ℃
medium concentration% 25 200 medium concentration% Temperature, 200 ℃
sulfuric acid 0-100 Formic acid
Oleum Acetic acid 0-ice
Nitric acid 0-100 acetic acid
Oleum Propionic acid
hydrochloric acid acrylic acid
Phosphoric acid Acrylic anhydride √ (boiling point)
Hydrofluoric acid Methacrylate √ (boiling point)
Hydrobromic acid Butyric acid
Hydroiodic acid Caprylic acid
Hydrocyanic acid Lauric acid
Nitrite Palmitic acid
Nitrite Stearic acid
Chloric acid Oleic acid
Hypochlorous acid Linoleic acid
perchloric acid Abietic acid
Tetraphosphoric acid fatty acid
Carbonic acid Chloroacetic acid
Chromic acid Lactic acid
Silicic acid Oxalic acid
Boric acid Fumaric acid
Arsenic acid Citric acid
Selenic acid niacin
Fluosilicic acid
Fluoboric acid
Chlorosulfonic acid
Wang Shui
Mixed acid

medium concentration% Temperature, 200 ℃
Sodium hydroxide
Potassium hydroxide
Ammonium hydroxide
magnesium hydroxide
Calcium hydroxide
Aluminum hydroxide
Barium hydroxide
Iron hydroxide
Ferrous hydroxide
Nickel salt
Nickel sulfate
Nickel nitrate
Nickel chloride
Zinc salt
Zinc sulfate
Zinc nitrate
Zinc chloride
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