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GRACO Diaphragm Pump D51211
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Connection Type Threaded
Diaphragm Compatible Material PTFE
Diaphragm Material PTFE/EPDM 2-Piece
Fluid Inlet Size (in) 1/2
Fluid Inlet Thread Gender Female
Fluid Inlet Thread Type NPT
Fluid Outlet Size (in) 1/2
Fluid Outlet Thread Gender Female
Fluid Outlet Thread Type NPT
Fluid Section Material Polypropylene
Manifold Configuration Center Port
Manifold O-Ring Material PTFE
Material Polypropylene
Maximum Air Consumption (SCFM) 28
Maximum Cycle Rate (CPM) 400
Maximum Flow Rate (GPM) 15
Maximum Fluid Pressure (MPa) 0.7
Maximum Fluid Pressure (psi) 100
Maximum Operating Temperature (°F) 150
Maximum Solid Size (in) 0.09375
Minimum Operating Temperature (°F) 40
Overall Height (in) 10.63
Power Source Air
Seat Material Polypropylene
Type Pneumatic Diaphragm Pump
Why Global Buyers Choose O&Kmarts
- Access to a wide range of SKUs across multiple brands and series
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- 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: How can a first-time international buyer verify that OKmarts is a legitimate entity and not a fraudulent website?
A: OKmarts operates under a legally registered corporate entity with verifiable business registration records, global tax compliance IDs, and physical warehouse infrastructure. We can provide corporate bank references, Dunn & Bradstreet (D-U-N-S) numbers, and customer references from established industrial firms in your region to validate our commercial legitimacy before you transfer funds.
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.
Q: How does OKmarts ensure data privacy and cybersecurity regarding our corporate blueprints and proprietary purchase data?
A: We protect your data using enterprise-grade SSL encryption and secure cloud architectures. Any technical blueprints, system designs, or proprietary engineering files uploaded to our servers for customization or compatibility analysis are treated under strict confidentiality protocols and non-disclosure standards.
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Q: Can I track multiple orders at once?
A: Yes, if you have multiple orders, you can track them simultaneously by accessing the "Track Order" section on our website. Enter the necessary details for each order, and you will be able to monitor their progress in one place.
Q: Are there any restrictions on international orders?
A: International orders may be subject to customs regulations, import duties, and taxes imposed by the destination country. These additional charges are the responsibility of the buyer. Please check the customs regulations of your country before placing an international order.
Q: How to check the sales ranking and rating of a product?
A: You can easily view the sales ranking and ratings of products by visiting the product page. The rankings and ratings are prominently displayed, providing valuable insights from other customers.
Customer reviews
Mar 09, 2022
Anonymous userAll was ok! No problems whatsoever.Helpful?(0)(0)







