Wenzhou Defu Machinery Co., Ltd.
    1. Self Priming Sewage Pump, TX&TH Series TX&TH series self priming sewage pump is a kind of specialized sewage disposal equipment, designed with super strong anti-clogging and impurity disposal capability. It can be used to dispose ultra long fiber impurities and more than 3" solids. Due to excellent self priming performance, this trash pump is also widely used in irrigation, flood drainage and underground water drainage fields.
    1. Self-Priming Centrifugal Sewage Pump, DJ/DJZ Series DJ /DJZ pumps are series of self-priming sewage pumps which are similar as Varisco & Victor’s pumps, with solids handling and resistance to abrasion. The self-priming sewage pumps can handle liquids to a viscosity of about 50 mm²/s. They are designed with the advanced maintenance hole and wear plate, easy to clean and flush.
    1. Self Priming Oil PumpThe maximum suction stroke of the self priming oil pump can reach up to 6.5m. The copper impeller, cast iron pump body, and the explosion-proof electric motor make it possible to transport various kinds of flammable and combustible mediums. Sturdy and durable, our corrosion resistant centrifugal pump is manufactured with cemented carbide mechanical seal. Generally, a standby mechanical seal is provided along with the machine.
    1. Stainless Steel Self Priming PumpThe flow passage components are completely sealed, effectively avoiding the knotty problems caused by liquid leakage. The pump body and the flow passage components are all made of corrosion resistant stainless steel, corundum ceramics, PTEF graphite, and so on.
      Possessing the function of the magnetic drive pump, our self sucking pump features compact structure, nice appearance...
    1. Dry Priming PumpConsisting of centrifugal pump and vacuum auxiliary system, the dry priming pump has the function of self-priming and circular self-priming. Featuring easy installation and convenient operation, this wastewater treatment device needs to be filled with water for the first time use. No extra water filling is required for starting.
    1. ISO 2858 Centrifugal PumpStrictly produced according to ISO 2858/5199 and EN 22858 standard, the ISO 2858 centrifugal pump is a kind of horizontal single-stage and single-suction pump. Based on professional design, our single suction pump has optimized performance, reflected in high efficiency, optimal energy conservation, and low energy consumption.
    1. DIN 24255 Centrifugal Pump DA&DAZ series centrifugal pump is specialized in pumping water, liquid, chemical substances, etc. With compact structure, its working diameter ranges from 50mm to 300mm, each model of our product has 4-5 impellers with different sizes, the rotation speed is 1450rpm, 1750rpm, 2900rpm, 3500rpm for optional. This water pump can be widely used in farmland irrigation, fire water supply, urban drainage, cooling water circulation for air conditioner, sewage treatment and other fields.
    1. Centrifugal Chemical PumpThe centrifugal chemical pump is characterized by outstanding corrosion resistance and reliable sealing property. The single stage single suction pump features abrasion resistance, high temperature resistance, aging resistance, high mechanical strength, and nontoxicity.
      The metal shell for the pump body is lined with FEP. The impeller, as well as the pump cover for the industrial pump...
    1. Centrifugal Slurry PumpProduced with the internationally advanced technology, our centrifugal slurry pump can be mainly classified into MH series, HH series, and M series. Different ranges of products may share many characters in common.
      The product of M, MH and HH series is a kind of horizontal centrifugal pump provided with cantilever.
    1. Double Suction Centrifugal PumpS&TPOW series double suction centrifugal pump is mainly used for transporting water or liquid which has the similar physical and chemical properties to water, that the temperature is less than 105℃. It has large flow because there are two suction inlets on the impeller, so our centrifugal pump can be applied to urban flood drainage, power station, water supply, farm irrigation, water plant, pumping station, water circulation for air conditioner, heating water circulation, industrial water supply system, fire water supply, and other fields.
    1. D Series Horizontal Multistage Centrifugal Pump D-series horizontal multi-stage centrifugal pump is produced from national recommend hydraulic model, allowing our pump a high efficiency, energy saving, high adaptability, sound and stable operation, low noise, long service life, easy maintenance and so on.
      D-series horizontal multi-stage centrifugal pump is quite suitable for the transportation of clear water...
    1. HD/SB Series Liquid Transfer Drum PumpThe liquid transfer drum pump is a kind of barrel pump. The pump tube can be directly put into the drum to pump liquid. As per different transferring liquid, the flow passage components can be made from Aluminum Alloy, Stainless Steel, PP, RPP, PVDF Material. The driving motor can be single phase common motor, Ex-proof motor, brushless motor & high-speed motor for option. This drum pump features easy use, maintenance and high efficiency.
    1. Vertical Multistage Centrifugal PumpThe vertical multistage centrifugal pump is offered with standard vertical motor and ready-packaged mechanical seal. The maintenance is quite easy and convenient. Provided with #304/316 stainless steel liquid passage, this lightweight multi-stage centrifugal pump is particularly suitable for mildly corrosive medium.
    1. Vertical Turbine Pump

      Our vertical turbine pump is produced from immersible pump. As a centrifugal pump, this product has outstanding performance and high stability during operation.
      The maximum undersurface operating height can be 15m. Customer shall inform us of the well depth or the undersurface height before placing an order. According to the using conditions, the vertical centrifugal pump can be equipped with multistage impellers, realizing the maximum head of 150m.

    1. Horizontal Mixed-Flow Pump The horizontal mixed-flow pump is a kind of shell type single suction pump with one impeller. The reasonable structure makes for reliable operation, convenient maintenance, high efficiency, small volume and light weight.
    1. AOK Air Operated Diaphragm Pump AOK series air operated diaphragm pump is driven by air, it is a kind of positive displacement pump which volume changes caused by compressing diaphragms in both side. Our diaphragm pump is widely used for conveying oil, gasoline, natural gas and so on in explosion-proof place. It also can be used as submersible pump in chemical industry, because of it is safe without power supply. Our pump has the same performance of GRACO /HUSKEY pump's, so all internal accessories can be replaced of it.
    1. QBY Air Operated Diaphragm Pump Particularly suitable for the liquid with high and low flowability, our QBY air operated diaphragm pump integrates the advantages of self-priming pump, immersible pump, shield pump, slurry pump, and trash pump. Containing no rotating parts, shaft seal or diaphragm, the moving parts and workpiece are completely separated from the medium. With outstanding leakproofness, our product can be used for transporting poisonous, volatile or corrosive medium. No environmental pollution or harm to personal safety will be caused.
    1. Gear PumpThis gear pump is composed of gear, shaft, pump body, safety valve, and shaft-end seal. The gear, together with the shaft, is installed in the replaceable axle sleeve. Through hot treatment, the gear has high hardness and strength. The lubrication of the parts inside the product is completed simultaneously during medium output.
    1. Diesel Engine Driven PumpThe diesel engine driven pump refers to the pump unit driven by diesel engine through flexible coupling. With social development, the water pump is applied in more and more fields, such as fire protection, industrial emergency, farm irrigation, disaster relief, municipal drainage, and so on. Particularly suitable for the region where there is no electricity, the diesel pump is quite convenient.
    1. Fire Fighting PumpFire fighting pumps are essential components of the building's fire protection system, especially in high-rise structures. Fire pumps are critical in distributing water through sprinkler systems where water pressure from water mains and fire-fighting equipment cannot reach. Even in lower set buildings, a fire pump is also key to containing a fire.
    1. DEFU Diesel Engines for Fire PumpsFire fighting diesel engine is assembled in accordance with fire fighting standard. Compared with normal engine, it is more stable and reliable. Protecting the security of people and their property always keeps in mind when we design our diesel engines, but normal engine considers more about its performance.