Double Diaphragm Pump

Manufacturer of a wide range of products which include pneumatic double diaphragm pump.

Pneumatic Double Diaphragm Pump

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Product Brochure
Capacity51–100 lpm
Max Flow Rate(Litre/Min)100 LPM
Air Inlet Size1/2 inch
Body MaterialAluminium
Diaphragm Materialrubber
Port Size3/8 inch
Max Pressure7.1–10 bar
Power SourcePneumatic
Model Name/NumberAM21
BrandAssopack
Max Flow Rate50 LPM
MaterialStainless Steel And Aluminium
Pump TypeDouble diaphragm pneumatic
Motor Horsepower1HP
MediaChemical, Water, Oil, Viscous Liquid
PhaseAir
ApplicationsTransfer
ColorSilver
Maximum Discharge Flow75 L/Min
Discharge Pressure200Psi
Usage/ApplicationUse for transfering liquid like glue and ink
Country of OriginMade in India

Minimum order quantity: 1 Piece

This pump is an air‑powered, double‑diaphragm unit, designed for safe, spark‑free fluid transfer—ideal for flammable, corrosive, and viscous liquids. It operates without electricity, driven solely by compressed air, and is commonly used to move industrial adhesives (like glue), inks, paints, solvents, chemicals, slurries, and more 

🔧 Key Technical Specifications
AttributeDetails
Model AM21 (Assopack / Gayatrii Gear Industries)
Pump Type Pneumatic (Air-Operated Double Diaphragm Pump)
Flow Rate 50 LPM typical (some references say up to 75 LPM) 
Discharge Pressure 200 PSI (~13.8 bar)
Power Requirement Compressed air; motor HP is for equivalent rating
Materials Stainless steel body & aluminum parts
Diaphragm Material PTFE (Teflon) — suited for volatile & corrosive media
Port Size 2″ inlet/outlet (plastic variant example)
Weight (plastic variant) ~10 kg
Safety Features Spark‑free, explosion‑proof, heatless, can run dry, low noise
Self-Priming Captures air/gas and pumps it out continually
Solids Handling Can handle particulate matter due to diaphragm design
📌 Operation & Advantages
  • Air‑driven reciprocating diaphragms alternately vacate and pressurize chambers, sucking in and discharging fluid—ensures steady, pulseless flow 

  • Dual PTFE diaphragms improve chemical resistance, reduce wear, and extend service life .

  • No mechanical seals – leakage is minimal until diaphragms fail .

  • Portable and lightweight, easy to install and move.

  • Robust design suitable across industries—ink, glue, paint, chemicals, solvent, food, pharma, mining, wastewater, ceramics 

🧰 Intended Use & Applications
  • Adhesives & Inks: Ideal for glue, ink, paint transfer with clean, controlled dosing .

  • Chemicals & Corrosive Media: With PTFE diaphragms, excellent for volatile or dangerous liquids 

  • Solids & Slurries: Handles particles up to ~6 mm; suitable for slurry removal or dirty fluid pumping

  • Flammable/Explosive Zones: Explosion-proof operation due to air-driven, spark-free design .

  • Industrial Processes: Widely used in painting, ceramics, petrochemical, mining, wastewater, pharmaceuticals .

⚙️ Maintenance & Support
  • Low maintenance: fewer wear parts, no electric motor, fewer seals 

  • Spare diaphragms recommended: replace per manufacturer schedule or on visible damage 

💰 Availability & Pricing
  • Price: Approx. ₹18 500 (₹12 000–₹24 000 range seen for variants) .

  • MOQ: 1 piece.

  • Delivery: Typically “ready in stock.”


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Contact Us

Chirag Pateel (Proprietor)
Gayatrii Gear Industries
73-74, Ashapura Industrial Estate, Behind Alankar Boilers, Near Ramol Chokdi, Gidc, Phase 4, Vatva
Ahmedabad - 382445, Gujarat, India

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