QBY Series Pneumatic Diaphragm Pump

Product name: QBY series pneumatic diaphragm pump Product category: diaphragm pump I. The product overviewQBY series pneumatic diaphragm pump is a new transport machinery produced by our company,Website:, which uses compressed air as power source. The pump can pump a variety of corrosive liquid, liquid with particles, liquid with high viscosity, volatile, flammable and poisonous. The performance parameters are similar with WLLDENPVMPS produced by Federal Republic of Germany and MARlOWPUMPS produced by the USA. II. The main purpose1. Pump peanut butter, pickle, mashed potato, small sausage, jam apple pulp, chocolate and so on.2. Pump paint, resin, pigment binder.3. Adhesives, glue and all types can be pumped by the pump.4. A variety of tile, porcelain, tile and pottery glaze.5. After the oil has been drilled, pump the deposit and filling by pump.6. Pump various cream and filler. 7. Pump various sewage.8. Absorb the water and residual oil in the tanker by the pump.9. Hops and yeast slurry, syrup and molasses.10. Pump the water in the shaft, underground, tunnel, mineral, slag. Pump cement grout and mortar.11. A variety of latex.12. A variety of abrasive, corrosive, oil and mud, grease and general cleaning containers.13. A variety of highly toxic, flammable, volatile liquid.14. A variety of acid, alkali, strong corrosive liquids.15. A variety of high temperature liquid with maximum resistance of 150 ℃.16. As the front stage pressure feeding device of a variety of solid liquid separation equipment. III. Technical parameterFlow: 0-30m3/h;Lift process: 0-50m;Caliber: 10-100mm;Temperature: -15-+120℃;Press: 0.1-0.7MPa;Self absorption height: 5-7m. IV. Model significance: installation specifications Type A B C D E H1 H2 H3 G Thread Remarks QBY-10 120 58 210 140 10 40 255 12 270 3/8" Engineering plastic, fluorine plastics QBY-15 120 58 210 140 10 40 255 12 270 1/2" QBY-10 120 0 210 140 12 30 220 10 240 3/8" Casting iron, stainless steel and aluminium alloy QBY-15 120 0 210 140 12 30 220 10 240 1/2" Type A B C D E H1 H Thread Remarks QBY-10 160 0 200 160 10 40 260 3/8" Casting iron, stainless steel and aluminium alloy QBY-15 160 0 200 160 10 40 260 1/2" QBY-20 180 155 300 200 10 40 400 3/4" Q BY-25 210 160 320 230 12 50 470 1" QBY-40 210 160 320 230 12 50 470 11/2" Type A B D5 D6 C H H1 DN1 DN2 n-d1 n-d2 D3 D4 E n-d4 Diameter of  inlet and outlet Remarks QBY-25 215 150 100 100 380 530 70 25 25 4-Φ11 4-Φ11 75 75 55 4-Φ10 10 Engineering plastic, fluorine plastics QBY-40 215 150 130 120 380 530 70 40 32 4-Φ13.5 4-Φ13.5 100 90 55 4-Φ10 10 QBY-25A 220 160 110 110 370 575 68 25 25 4-Φ11 4-Φ11 75 75 80 4-Φ12 10 Casting iron, stainless steel and aluminium alloy QBY-40A 220 160 130 120 370 575 68 40 32 4-Φ13.5 4-Φ13.5 100 90 80 4-Φ12 10 QBY-50 340 240 140 140 550 800 65 50 50 4-Φ13.5 4-Φ13.5 110 110 145 4-Φ17.5 12 QBY-65 340 240 160 160 550 800 70 65 65 4-Φ13.5 4-Φ13.5 130 130 145 4-Φ17.5 12 QBY-80 340 240 190 190 580 950 100 80 80 4-Φ17.5 4-Φ17.5 150 150 130 4-Φ17.5 14 QBY-100 340 240 210 190 580 950 100 100 80 4-Φ17.5 4-Φ17.5 170 170 130 4-Φ17.5 14 performance parameters I. Performance parameters Type Flow(m3/h) Life process(m) Outlet pressure(kgf/cm2) Absorption process(m) Maximum allowable particle φ(mm) Maximum gas supplypressure  (kbf/cm2) Maximum gas supplyconsumption  (m3/min) Materials aluminium alloy stainless steel Casting iron Reinforced polypropylene QBY-10 0～0.8 0～60 6 5 1 7 0.3 ★ ★ ★ ★ QBY-15 0～1 0～60 6 5 1 7 0.3 ★ ★ ★ ★ QBY-25 0～2.4 0～60 6 7 2.5 7 0.6 ★ ★ ★ ★ QBY-40 0～8 0～60 6 7 4.5 7 0.6 ★ ★ ★ ★ QBY-50 0～12 0～60 6 7 8 7 0.9 ★ ★ ★ / QBY-65 0～16 0～60 6 7 8 7 0.9 ★ ★ ★ / QBY-80 0～24 0～60 6 7 10 7 1.5 ★ ★ ★ / QBY-100 0～30 0～60 6 7 10 7 1.5 ★ ★ ★ / Note: ★－Yes    ∕－None II. Several diaphragm material characteristics Diaphragm variety Medium type Buna-n rubber Chloride butyl rubber Fluorine rubber Teflon Food rubber Fuming nitric acid × × △ △ Concentrated nitric acid × × △ △ Concentrated sulfuric acid × × ○ △ Concentrated hydrochloric acid × △ △ △ Concentrated phosphoric acid × △ △ △ Concentrated acetic acid × × × △ Concentrated sodium hydroxide ○ ○ △ △ Anhydrous ammonia △ △ △ △ Dilute nitric acid × × ○ △ Dilute sulfuric acid △ △ △ △ Dilute hydrochloric acid × ○ △ △ Dilute phosphoric acid × × △ △ Dilute sodium hydroxide ○ ○ △ △ Ammonia △ △ × Benzene × × ○ ○ Gasoline ○ ○ ○ ○ Petroleum △ × ○ ○ Carbon tetrachloride ○ ○ ○ Carbon disulfide ○ × ○ Ethanol ○ ○ ○ ○ Acetone × △ × ○ Cresol × △ △ ○ Acetaldehyde × × △ ○ Ethylbenzene × × △ ○ Acrylonitrile △ △ × ○ Butanol ○ ○ ○ ○ Butadiene ○ × △ ○ Styrene × × △ ○ Ethyl acetate × × × ○ Ether × × × Note: ○—— Longer life, △—— General life, ×—— Not available. This table is only from corrosion resistance. Due to the elasticity of poly four vinyl chloride is worse than that of rubber, so the actual service life is different due to pressure, pump stroke impurities and other factors. Food and beverage rubber is used in food and beverage industry.

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