Skip Content

Want to pay an invoice? Please call us at 1-800-GRAINGER (1-800-472-4643).

Filter Results By

Branch Availability
Item
Operation Type
Valve Type
Body Material
Inlet/Outlet Size
Connection Style
Air Inlet Size
Max. Flow GPM
Max. Operating Pressure
Max. Temp.
Diaphragm Material
Ball Material
Check Seat Material
Max. Dia. Solids
Manifold Connection
Standards
Brand
Price
Shop By
Ratings

Air Operated Diaphragm Pumps

25 Results Found that Include 377 Products

Results per page:  16 | 32 | 48
  • FLOJET
  • FLOJET Double Diaphragm Pumps FLOJET Double Diaphragm Pumps
  • Multiple product options available

    These single-manifold, double-diaphragm pumps feature a stallproof shuttle valve design and plug-in port fitting for easy installation. As air-operated diaphragm pumps, each can run with a continuous supply of compressed air.

    Multiple product options available

  • SANDPIPER
  • SANDPIPER Double Diaphragm Pumps SANDPIPER Double Diaphragm Pumps
  • Multiple product options available

    Sandpiper® pumps are designed to pump solvents, slurries, and high-viscosity liquids such as paints and inks. Each features all-bolted construction and abrasion- and corrosion-resistant materials. The freestanding support base is useful in portable applications. Pumps are self-priming to 15 ft. wet, or 10 ft. dry. Each features run-dry capability.

    Multiple product options available

  • ARO
  • ARO Double Diaphragm Pumps ARO Double Diaphragm Pumps
  • Multiple product options available

    These nonmetallic, air-operated, double-diaphragm pumps are designed to pump solvents, slurries, and other high-viscosity liquids such as inks and paints. Each features an all-bolted, injection-molded body, which is structurally reinforced with fiber fill. They also feature spring-assisted air valves with proprietary seal rings that require no lubrication. Pumps are self-priming to 15 ft. wet, or 10 ft. dry. Each features run-dry capability.

    Multiple product options available

  • TM

    Grainger Choice

  • DAYTON
  • DAYTON Double Diaphragm Pumps DAYTON Double Diaphragm Pumps
  • Multiple product options available

    These metallic, air-operated, double-diaphragm pumps are designed for pumping slurries, solvents, and high-viscosity liquids such as paints and waste oils. The self-priming pumps can also run dry. Each features a spring-assisted air valve with proprietary seal rings, and will never require lubrication. Use in a variety of applications including general pump transfer, recirculation, dispensing, spraying, filling, rough metering dewatering, low shearing transfer, and evacuation.

    Multiple product options available

  • VERSA-MATIC
  • VERSA-MATIC Double Diaphragm Pumps VERSA-MATIC Double Diaphragm Pumps
  • Multiple product options available

    Versa-Matic® double diaphragm pumps feature standard-duty band clamp construction for easy maintenance. They also feature the Elima-Matic® Air Valve System for stall-free and lube-free performance. They are interchangeable with Wilden Original Series pumps.

    Multiple product options available

Aluminum Santoprene® Single Diaphragm Pump, 56 gpm, 100
  • TM

    Grainger Choice

  • DAYTON
  • Aluminum Santoprene® Single Diaphragm Pump, 56 gpm, 100 psi Aluminum Santoprene® Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Aluminum, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 225 Degrees F, Diaphragm Material Santoprene(R), Ball Material Santoprene(R), Check Seat Material Santoprene(R), Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 13-53/64 In., Width 8-45/64 In., Height 12-49/64 In., Self-Priming Dry 14 ft.

  • Item # 49AV46
  • Mfr. Model # 49AV46
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Aluminum, Inlet/Outlet...More

  • TM

    Grainger Choice

  • Repair Pump Kits Repair Pump Kits
  • Multiple product options available

    These repair kits are designed for use with air-operated diaphragm pumps, which run with a continuous supply of compressed air. Air diaphragm pumps can be versatile enough to provide dewatering functions or transfer weak acids from storage drums.

    Multiple product options available

  • STANDARD PUMP
  • Double Diaphragm Pump Double Diaphragm Pump
  • Multiple product options available

    These air-operated diaphragm pumps are engineered with 304 stainless steel for use with food and pharmaceutical applications in compliance with FDA CFR 21. They are designed to be quickly disassembled for cleaning (COP) and can also be sanitized in place (CIP). In addition to stainless steel components, each pump features Tri-clamp® intake/discharge, and a highly efficient Santoprene diaphragm.

    Multiple product options available

Polypropylene Santoprene® Single Diaphragm Pump, 56 gpm, 100
  • TM

    Grainger Choice

  • DAYTON
  • Polypropylene Santoprene® Single Diaphragm Pump, 56 gpm, 100 psi Polypropylene Santoprene® Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Polypropylene, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 225 Degrees F, Diaphragm Material Santoprene(R), Ball Material Santoprene(R), Check Seat Material Santoprene(R), Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 15-5/64 In., Width 7-13/64 In., Height 15-29/32 In., Self-Priming Dry 14 ft.

  • Item # 49AV38
  • Mfr. Model # 49AV38
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Polypropylene,...More

Aluminum Hytrel Single Diaphragm Pump, 56 gpm, 100 psi
  • TM

    Grainger Choice

  • DAYTON
  • Aluminum Hytrel Single Diaphragm Pump, 56 gpm, 100 psi Aluminum Hytrel Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Aluminum, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 150 Degrees F, Diaphragm Material Hytrel, Ball Material Hytrel, Check Seat Material Hytrel, Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 13-53/64 In., Width 8-45/64 In., Height 12-49/64 In., Self-Priming Dry 14 ft., Self-Priming Wet 29 ft.

  • Item # 49AV45
  • Mfr. Model # 49AV45
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Aluminum, Inlet/Outlet...More

  • SOTERA
  • SOTERA Double Diaphragm Pumps SOTERA Double Diaphragm Pumps
  • Multiple product options available

    Sotera double-diaphragm pumps are designed to run with a continuous supply of compressed air. They can help to provide dewatering functions or transfer weak acids from storage drums.

    Multiple product options available

Stainless Steel Hytrel Single Diaphragm Pump, 56 gpm, 100&#
  • TM

    Grainger Choice

  • DAYTON
  • Stainless Steel Hytrel Single Diaphragm Pump, 56 gpm, 100 psi Stainless Steel Hytrel Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Stainless Steel, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 150 Degrees F, Diaphragm Material Hytrel, Ball Material Hytrel, Check Seat Material Hytrel, Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 13-53/64 In., Width 8-45/64 In., Height 12-49/64 In., Self-Priming Dry 14 ft., Self-Priming Wet 29 ft.

  • Item # 49AV43
  • Mfr. Model # 49AV43
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Stainless Steel,...More

Aluminum Hytrel Single Diaphragm Pump, 56 gpm, 100 psi
  • TM

    Grainger Choice

  • DAYTON
  • Aluminum Hytrel Single Diaphragm Pump, 56 gpm, 100 psi Aluminum Hytrel Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Aluminum, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 150 Degrees F, Diaphragm Material Hytrel, Ball Material Hytrel, Check Seat Material Santoprene(R), Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 13-53/64 In., Width 8-45/64 In., Height 12-49/64 In., Self-Priming Dry 14 ft., Self-Priming Wet 29 ft.

  • Item # 49AV41
  • Mfr. Model # 49AV41
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Aluminum, Inlet/Outlet...More

Polypropylene PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100&
  • TM

    Grainger Choice

  • DAYTON
  • Polypropylene PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100 psi Polypropylene PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Polypropylene, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 175 Degrees F, Diaphragm Material PTFE/EPDM, Ball Material PTFE, Check Seat Material Polypropylene, Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 15-5/64 In., Width 7-13/64 In., Height 15-29/32 In., Self-Priming Dry 14 ft., Self-Priming Wet 29 ft.

  • Item # 49AV39
  • Mfr. Model # 49AV39
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Polypropylene,...More

PVDF PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100 psi
  • TM

    Grainger Choice

  • DAYTON
  • PVDF PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100 psi PVDF PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material PVDF, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 225 Degrees F, Diaphragm Material PTFE/EPDM, Ball Material PTFE, Check Seat Material PVDF, Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 15-5/64 In., Width 7-13/64 In., Height 15-29/32 In., Self-Priming Dry 14 ft., Self-Priming Wet 29 ft.

  • Item # 49AV37
  • Mfr. Model # 49AV37
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material PVDF, Inlet/Outlet Size 1...More

Stainless Steel PTFE/EPDM Single Diaphragm Pump, 56 gpm,&#x
  • TM

    Grainger Choice

  • DAYTON
  • Stainless Steel PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100 psi Stainless Steel PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Stainless Steel, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 225 Degrees F, Diaphragm Material PTFE/EPDM, Ball Material PTFE, Check Seat Material Stainless Steel, Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 13-53/64 In., Width 8-45/64 In., Height 12-49/64 In., Self-Priming Dry 14 ft.

  • Item # 49AV44
  • Mfr. Model # 49AV44
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Stainless Steel,...More

Aluminum PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100
  • TM

    Grainger Choice

  • DAYTON
  • Aluminum PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100 psi Aluminum PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Aluminum, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 225 Degrees F, Diaphragm Material PTFE/EPDM, Ball Material PTFE, Check Seat Material Aluminum, Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 13-53/64 In., Width 8-45/64 In., Height 12-49/64 In., Self-Priming Dry 14 ft., Self-Priming Wet 29 ft.

  • Item # 49AV42
  • Mfr. Model # 49AV42
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Aluminum, Inlet/Outlet...More

Polypropylene Santoprene® Single Diaphragm Pump, 56 gpm, 100
  • TM

    Grainger Choice

  • DAYTON
  • Polypropylene Santoprene® Single Diaphragm Pump, 56 gpm, 100 psi Polypropylene Santoprene® Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Polypropylene, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 225 Degrees F, Diaphragm Material Santoprene(R), Ball Material Stainless Steel, Check Seat Material Santoprene(R), Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 15-5/64 In., Width 7-13/64 In., Height 15-29/32 In., Self-Priming Dry 14 ft.

  • Item # 49AV40
  • Mfr. Model # 49AV40
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Polypropylene,...More

Stainless Steel PTFE/EPDM Single Diaphragm Pump, 56 gpm,&#x
  • TM

    Grainger Choice

  • DAYTON
  • Stainless Steel PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100 psi Stainless Steel PTFE/EPDM Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Stainless Steel, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 225 Degrees F, Diaphragm Material PTFE/EPDM, Ball Material PTFE, Check Seat Material Stainless Steel, Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 13-53/64 In., Width 8-45/64 In., Height 12-49/64 In., Self-Priming Dry 14 ft.

  • Item # 49AV49
  • Mfr. Model # 49AV49
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Stainless Steel,...More

Stainless Steel Santoprene® Single Diaphragm Pump, 56 gpm,&#
  • TM

    Grainger Choice

  • DAYTON
  • Stainless Steel Santoprene® Single Diaphragm Pump, 56 gpm, 100 psi Stainless Steel Santoprene® Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Stainless Steel, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 225 Degrees F, Diaphragm Material Santoprene(R), Ball Material Santoprene(R), Check Seat Material Santoprene(R), Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 13-53/64 In., Width 8-45/64 In., Height 12-49/64 In., Self-Priming Dry 14 ft.

  • Item # 49AV48
  • Mfr. Model # 49AV48
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Stainless Steel,...More

Stainless Steel Hytrel Single Diaphragm Pump, 56 gpm, 100&#
  • TM

    Grainger Choice

  • DAYTON
  • Stainless Steel Hytrel Single Diaphragm Pump, 56 gpm, 100 psi Stainless Steel Hytrel Single Diaphragm Pump, 56 gpm, 100 psi
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Stainless Steel, Inlet/Outlet Size 1 In., Connection Style NPT, Air Inlet Size 1 In. FNPT, Max. Flow GPM 56, Max. Operating Pressure 100 psi, Max. Temp. 150 Degrees F, Diaphragm Material Hytrel, Ball Material Hytrel, Check Seat Material Hytrel, Max. Dia. Solids 3/16 In., Manifold Connection Single, Length 13-53/64 In., Width 8-45/64 In., Height 12-49/64 In., Self-Priming Dry 14 ft., Self-Priming Wet 29 ft.

  • Item # 49AV47
  • Mfr. Model # 49AV47
  • Diaphragm Pump, Operation Type Air Operated, Valve Type Ceramic Air, Body Material Stainless Steel,...More

  • EDSON
  • EDSON Diaphragm Pumps EDSON Diaphragm Pumps
  • Multiple product options available

    These air-operated diaphragm pumps are engineered to run with a continuous supply of compressed air. They can be used to help provide dewatering functions, or to transfer weak acids from storage drums.

    Multiple product options available

Results per page:  16 | 32 | 48

An air operated diaphragm pump from Grainger can run with a continuous supply of compressed air. Air diaphragm pumps can be versatile enough to help provide dewatering functions or transfer weak acids from storage drums. Choose from a large selection of metallic and nonmetallic air diaphragm pumps in a wide range of diaphragm materials and dimensions. Shop Grainger first for high-quality air operated diaphragm pumps.

Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More