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GRACO Diaphragm Pump DB3666
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Popular Compatible Models
Cross-Reference Brands
Air Inlet Thread Type NPT
Application Industrial
Ball Material PTFE
Center Section Material Aluminum
Diaphragm Compatible Material PTFE
Fluid Inlet Thread Gender Female
Fluid Inlet Thread Type NPT
Fluid Outlet Size (in) 1-1/2
Fluid Outlet Thread Type NPT
Fluid Section Material Stainless Steel
Manifold Configuration End Port
Manifold O-Ring Material PTFE
Material Stainless Steel
Maximum Air Consumption (SCFM) 125
Maximum Air Pressure (MPa) 0.827
Maximum Air Pressure (psi) 120
Maximum Cycle Rate (CPM) 200
Maximum Flow Rate (GPM) 100
Maximum Fluid Pressure (MPa) 0.827
Maximum Fluid Pressure (psi) 120
Maximum Operating Temperature (°F) 150
Why Global Buyers Choose O&Kmarts
- Access to a wide range of SKUs across multiple brands and series
- One RFQ connects you to 5,000+ global supplier quotes
- Better availability for urgent and hard-to-find parts
- Faster global delivery via FedEx / DHL / UPS
- Easier access to rare and high-value models
- Flexible sourcing for individual parts or complete solutions
- Lower MOQs and more adaptable buying options
- Multi-brand procurement in one order
- 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
- Limited brand selection
- Minimal or no customization capability
- Higher local distribution and markup costs
Top Questions from OKmarts Buyers
Q: What should I do if the specific part number is obsolete or discontinued by the manufacturer?
A: Our technical engineering team specializes in obsolescence management. If a part is lifecycle-discontinued, we utilize our cross-reference database to recommend exact drop-in replacements or functionally equivalent alternatives, ensuring minimal redesign for your machinery.
Q: Can OKmarts assist in verifying technical compatibility before I place a high-value order?
A: Yes. Buyers can upload existing equipment nameplates, system schematics, or parameter requirements. Our applications engineers will cross-verify physical dimensions, electrical ratings, and communication protocols (e.g., Profinet, EtherCAT) before finalizing the order.
Q: How are long-term component supply risks handled if our factory relies heavily on a specific part sourced from your platform?
A: We offer supply chain buffering and safety stock agreements for industrial clients. By sharing your annual procurement forecast, we can pre-allocate inventory in our warehouses to guarantee a continuous, predictable supply and protect your production lines from market shortages.
Related Products
Q&A
Q: Do you support international shipping?
A: Yes, we support international shipping. You can select the international shipping option on the checkout page and fill in the corresponding shipping address. Please note that international shipping may require additional fees and time.
Q: Are there any restrictions on international orders regarding customs duties and taxes?
A: International orders may be subject to customs duties, taxes, and import fees levied by the destination country. These charges are the responsibility of the recipient and are determined by the customs authorities. It's advisable to check with your local customs office for information on potential fees before placing an international order.
Q: Can I change my shipping address after placing an order?
A: If you need to change your shipping address after placing an order, please contact our customer service team as soon as possible. We will assist you in updating the address if it's still possible.







