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GRACO Diaphragm Pump DF4311
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Popular Compatible Models
Cross-Reference Brands
Connection Type Threaded
Diaphragm Compatible Material PTFE
Diaphragm Material PTFE Overmolded
Fluid Inlet Size (in) 2
Fluid Inlet Thread Gender Female
Fluid Inlet Thread Type NPT
Fluid Outlet Size (in) 2
Fluid Outlet Thread Gender Female
Fluid Outlet Thread Type NPT
Fluid Section Material Aluminum
Material Aluminum
Maximum Air Consumption (SCFM) 175
Maximum Air Pressure (MPa) 0.8
Maximum Air Pressure (psi) 120
Maximum Cycle Rate (CPM) 145
Maximum Flow Rate (GPM) 150
Maximum Fluid Pressure (MPa) 0.8
Maximum Fluid Pressure (psi) 120
Maximum Operating Temperature (°F) 200
Maximum Solid Size (in) 0.25
Power Source Air
Seat Material Stainless Steel
Type Pneumatic Diaphragm Pump
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- OEM replacement and alternative model solutions available
- Fewer intermediaries, ensuring more competitive pricing
Why Global Buyers Choose O&Kmarts
- Limited to fast-moving SKUs only
- Limited local market availability
- Inventory frequently fails to meet urgent demand
- Long replenishment cycles, often taking weeks
- Rarely stock high-value compressors (e.g. Copeland YHV119)
- Frequently require bundled purchases
- Rigid and difficult MOQ negotiations
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- Minimal or no customization capability
- Higher local distribution and markup costs
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Q: Is there a warranty provided on industrial parts, and how is the RMA (Return Merchandise Authorization) process handled?
A: All new and original industrial parts carry a standard 12-month factory warranty. If a component fails or shows defects within the warranty period, buyers can initiate an RMA request through our platform, which prompts our team to coordinate testing, repair, or replacement directly with the manufacturer.
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A: Through our network of partner factories and flexible manufacturing technologies, we support customized production runs for specific structural or wear components. Technical drawings (CAD/STEP files) must be submitted for engineering review and custom prototyping quotes.
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