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Chemical Resistant Pneumatic Diaphragm Pump
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Chemical Resistant Pneumatic Diaphragm Pump

HP80 pneumatic diaphragm pump fitted with pulse damper realizes stable fluid delivery. With outstanding chemical corrosion resistance, it applies to acid base liquids, electroplating baths and organic solvents transfer.
Flow Rate:0-285 GPM (0-1,078 LPM)
Maximum Allowed Passing Particle Size:0.38 in (9.65 mm) max
Maximum Head:125 psi or 289 ft. Water Column (8.6 bar or 86 m)
Displacement per Stroke:1 gal / 3.79 L

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  • Description

    Introduction

     

    The HP80 chemical resistant pneumatic diaphragm pump is specially designed for chemical industry and features stable flow performance. It reaches a maximum flow rate of 285 GPM (1078 LPM) and is available in various materials and port sizes. This stable flow pneumatic diaphragm pump boasts excellent corrosion resistance and consistent flow output, efficiently completing fluid transfer, filling, recirculation and batching operations.

     

    Performance Curve

     

    Chemical Resistant Pneumatic Diaphragm Pump

     

    Product Description

     

    Inlet/Outlet Size

    3" NPT or 3" BSPT

    3" ANSI Flange or 3" DIN Flange

    Flow Rate

    0-285 GPM (0-1,078 LPM)

    Main Air Valve

    Lubrication-Free, Non-Dead Spot Design

    Maximum Allowable Solids Passage

    0.38 in (9.65 mm) max

    Maximum Head

    125 psi or 289 ft. Water Column (8.6 bar or 86 m)

    Displacement per Stroke

    1 gal / 3.79 L

    Maximum Operating Pressure

    125 psi (8.6 bar)

    Shipping Weight

    194 lbs. (87 kg)

     

    Advantages and Features

     

    1. Chemical and Particle Wear Resistance, Suitable for Harsh Working Environments: The HP80 chemical resistant pneumatic diaphragm pump adopts a stainless steel body with anti-corrosion wetted parts, enabling stable conveyance of various acidic, alkaline, solid-containing and corrosive media. Featuring a seal-less and impeller-free structure, it effectively prevents pump clogging. Equipped with premium sealing performance, it avoids medium leakage and volatilization, making it ideal for high-corrosion industrial fluid transportation.

    2. High-flow Conveying and Stable Operation, Adaptable to Automated Production: The HP80 stable flow pneumatic diaphragm pump delivers a maximum flow rate of 285 GPM. When matched with a pulsation dampener, it achieves uniform and stable fluid delivery without damaging the chemical properties of conveyed media. It supports systematic flow regulation to realize precise fluid transfer, batching and quantitative feeding. Equipped with safety alarm functions, it effectively reduces manual operation costs and supports automated production procedures.

    3. Low Failure Rate and Easy Maintenance, Reducing Downtime Costs: The HP80 chemical resistant pneumatic diaphragm pump is fitted with a multi-layer composite diaphragm that features excellent corrosion resistance and wear resistance for an extended service life. The externally accessible air valve allows quick and convenient maintenance without disassembling the entire pump body, greatly lowering maintenance difficulty and reducing production downtime losses.

     

    Complete System Installation Schematic

     

    1. Air Source Treatment Unit

    Filter Regulator ②: Filters impurities and moisture in compressed air first, then regulates and stabilizes the air pressure supplied to the pump.

    Dryer ③: Further removes moisture from compressed air to prevent water vapor from entering the pump chamber and causing internal component corrosion and icing.

    Lubricator ④: Atomizes lubricating oil and mixes it into compressed air to lubricate moving parts such as pneumatic valves and diaphragms of the pump and reduce wear.

    Supporting components: Air Inlet, Check Valve, Shut-Off Valve.

     

    2. Pump Body and Exhaust System

    Pump Body: The core pneumatic diaphragm pump, which drives the diaphragm to move back and forth via compressed air to realize fluid suction and discharge.

    Muffler: Installed at the pump exhaust port to reduce exhaust noise.

    Piped Exhaust: Discharges waste gas to a safe area to avoid workshop environmental pollution.

    Flexible Connection: A flexible connection between the pump and the air source treatment unit to buffer vibration and reduce stress transmission.

     

    3. Fluid Suction Pipeline (Left Side of the Figure)

    Suction: The starting point for fluid entering the system, connected to upstream liquid storage tanks or pipelines.

    Shut-Off Valve: Cuts off fluid suction for convenient pump maintenance.

    Compound Gauge: Monitors suction-side pressure to identify issues such as insufficient suction lift and pipeline blockage.

    Flexible Connector: Absorbs pump vibration and prevents stress damage caused by rigid pipeline connection.

    Drain Port: Drains residual liquid in the suction pipeline for maintenance or pipeline emptying.

    Pipe Connection: Multiple connection types are optional to adapt to on-site pipeline conditions.

     

    4. Fluid Discharge Pipeline (Right Side of the Figure)

    Flexible Connector: Buffers pump vibration to protect pipelines and equipment.

    Pipe Connection: Consistent with the suction end, adaptable to on-site pipelines.

    Drain Port: Drains residual liquid in the discharge pipeline for maintenance and emptying.

    Surge Suppressor ①: Stabilizes the pulsating discharge pressure of pneumatic diaphragm pumps and protects pipelines and downstream equipment, serving as a key accessory on the discharge side.

    Pressure Gauge: Monitors discharge-side pressure to judge the operating status of the pump.

    Shut-Off Valve: Cuts off fluid discharge to facilitate maintenance of the pump and downstream equipment.

    Discharge: The terminal outlet of the system, connected to downstream pipelines and equipment.

    Unregulated Air Supply to Surge Suppressor: Directly supplies unregulated compressed air to the surge suppressor, utilizing the compressibility of gas to absorb fluid pulsation.

     

    Chemical Resistant Pneumatic Diaphragm Pump

     

    Applications

     

    ● Chemical Industry

    Chemical production involves complex working conditions. It mainly conveys various acidic and alkaline corrosive chemical liquids, including fluid transfer, circulation and quantitative filling processes. Equipped with dedicated anti-corrosion materials, the HP80 chemical resistant pneumatic diaphragm pump effectively resists erosion caused by corrosive media. Customized control systems can be configured as required to complete all kinds of production procedures.

     

    ● Coating Industry

    The conveyed materials are highly shear-sensitive and require precise quantitative feeding control. Equipment malfunctions will directly affect production line output. Adopting impeller-free and shaft-seal-free structure, the HP80 stable flow pneumatic diaphragm pump will not damage the chemical properties of materials. It can connect with automatic control systems to realize intelligent flow regulation and reduce labor costs. Featuring long service life of vulnerable parts such as diaphragms, it has low failure rate and easy maintenance.

     

    ● Mining Industry

    The mining industry features harsh working conditions. Conveyed media usually contain a large number of solid particles with strong abrasiveness and high acidity and alkalinity. Besides, on-site installation space is limited and uninterrupted operation is required.The HP80 pneumatic diaphragm pump adopts shaft-seal-free and impeller-free design, effectively avoiding blockage and wear caused by solid particle media. Its wetted parts are available in corrosion-resistant and wear-resistant materials. Featuring flexible overall installation, it can be equipped with trolleys to optimize space utilization and support long-term continuous operation, fully meeting the production requirements of mining working conditions.

     

    FAQ

     

    Q: Concerned about spark risks of HP80 chemical resistant pneumatic diaphragm pump, which may cause safety hazards when conveying flammable solvents.

    A: The pneumatic diaphragm pump is a positive displacement pump powered by compressed air. It realizes continuous fluid delivery via volume change from reciprocating movement of double diaphragms and flow direction control by check valves. Air-driven design eliminates electric spark risks and features explosion-proof performance, making it suitable for flammable and explosive working conditions.

    Q: Worried about severe flow fluctuation and pulsation leading to inaccurate batching ratio and filling precision in chemical proportioning and quantitative filling processes.

    A: Equip the HP80 stable flow pneumatic diaphragm pump with a pulsation dampener to eliminate delivery pulsation and achieve even and steady fluid output. Stepless air pressure regulation is available for connection with automatic control systems, ensuring high precision of proportioning and filling and stabilizing product quality and pass rate.

    Q: Fear that long-term delivery of strong acid and strong alkaline corrosive fluids will erode pump body, valve seats, diaphragms and other wetted parts.

    A: We will recommend optimal materials for wetted parts according to the PH value of conveyed media, so as to protect core pump components, extend service life and enhance working condition adaptability.

    Q: Where to buy the HP80 stable flow pneumatic diaphragm pump?

    A: You may contact our sales team via the email juicy@sxhono.com.cn to obtain product specifications, quotations and selection recommendations. If you have special application requirements, we can also provide you with customized fluid transfer solutions.

     

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