China Air operated double diaphragm pump Manufacturer, Supplier, Factory

We believe that long time period partnership is a result of top of the range, value added services, rich expertise and personal contact for Air operated double diaphragm pump,PP Plastic Air-Operated Double Diaphragm Pump, We maintain timely delivery schedules, innovative designs, top quality and transparency for our buyers. Our moto should be to supply quality goods inside of stipulated time.
Air operated double diaphragm pump, We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Remember to feel free to contact us for further information and we will provide you competitive price list then.

Hot Products

  • Split Case pump Diesel Fire Pump

    Split Case pump Diesel Fire Pump

    Backed by extensive pump manufacturing expertise spanning decades, Shanghai Crowns Pump Manufacturing Co., Ltd. introduces its high-performance Split Case pump Diesel Fire Pump, purpose-built to deliver reliable emergency water supply in fire protection scenarios. This robust firefighting solution is designed to meet critical demands for high-flow water delivery during emergencies, combining durable construction with operational efficiency. The pump’s horizontal split-case design stands out for its maintenance-friendly features, allowing quick access to internal components without pipeline disassembly. This design ensures minimal downtime and enhanced convenience, making it a trusted choice for large-scale firefighting applications where reliability and easy servicing are paramount. Equipped with a heavy-duty diesel engine, the pump offers autonomous operation during power outages, guaranteeing continuous water supply when electrical systems fail.
  • Split Case Pump

    Split Case Pump

    Having spent decades in the pump manufacturing industry, I’ve seen firsthand how critical it is to have fire protection systems that never falter when lives and property are on the line. That’s why Shanghai Crowns’ Split Case Pumps are designed with one goal in mind: uncompromising performance when it matters most. These pumps are built around a robust split-case design specifically tailored for firefighting. For industrial complexes, commercial high-rises, and municipal fire departments, these pumps are the backbone of reliable fire suppression. In a recent skyscraper project, three parallel pumps achieved full pressure within 18 seconds during a certification test, meeting GB50974-2014 standards with ease. The combination of cast iron casing and stainless steel shafts means they’ll maintain 95% of their performance even after a decade in harsh coastal environments. At the end of the day, fire protection isn’t about specs on paper—it’s about trust. Our Split Case Fire Pumps earn that trust through decades of refining every detail, ensuring they’re ready to defend what matters most, when it matters most.
  • Fluorine Dosing Air-Operated Diaphragm Pump

    Fluorine Dosing Air-Operated Diaphragm Pump

    The Fluorine Dosing Air-Operated Diaphragm Pump is purpose-built for environments where chemical resistance is non-negotiable. Designed to handle highly corrosive or reactive substances safely, this pump ensures purity and longevity in critical applications—think electronics manufacturing or high-purity chemical processing, where even minor material degradation could compromise results. Its robust construction makes it a reliable choice for industries where durability and precision are paramount.
  • IS Cast Iron End Suction Pump

    IS Cast Iron End Suction Pump

    Shanghai Crowns Pump Manufacturing Co., Ltd. specializes in designing, manufacturing, and distributing water pump solutions. Our IS Cast Iron End Suction Pump series embodies our dedication to quality, engineered ISO standards to deliver reliable performance across diverse applications. Crafted from robust cast iron, these pumps feature intelligent design for efficient fluid handling. They excel in industrial water supply, urban municipal systems, and agricultural irrigation—built to withstand daily operational demands while ensuring consistent performance. We prioritize durability and technical compliance, ensuring each pump undergoes rigorous testing to meet the needs of businesses that rely on dependable equipment. For organizations seeking a balance of efficiency, durability, and ISO compliance, our IS series offers a trusted solution. Explore how these pumps can integrate into your workflows, and contact our team to discuss tailored options that align with your specific requirements.
  • IH Stainless Steel End Suction Pump

    IH Stainless Steel End Suction Pump

    Shanghai Crowns Pump Manufacturing Co., Ltd. is a top - notch company in the water pump industry. We're completely focused on coming up with advanced water pump solutions. What we do is not just about business; it's about meeting the diverse needs of our customers. We've got a real knack for designing, manufacturing, and selling high - quality pumps. No matter what kind of application you have in mind, be it in industrial settings, residential projects, or any other field, we've got you covered. Take our IH Stainless Steel End Suction Pump, for example. These pumps are built to last. We follow the strict ISO standards to ensure that every single pump we produce can perform reliably. Whether you're dealing with water, chemicals, or other fluids, our pumps offer outstanding durability and efficiency. They're designed to handle the toughest fluid - handling tasks, giving you peace of mind that your operations will run smoothly. In a nutshell, at Shanghai Crowns Pump Manufacturing Co., Ltd., we're committed to providing the best pump products and services to our global customers.
  • TD Pipeline Circulating Pump

    TD Pipeline Circulating Pump

    Shanghai Crowns Pump Manufacturing Co., Ltd. has over 20 years of experience in pump manufacturing. The TD Pipeline Circulating Pump fully demonstrate the company's commitment to quality. Combining practical design with stable performance, the TD Series is a common sight in industrial, municipal, and HVAC systems, ensuring smooth operation regardless of operating conditions.

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