Fast Track to a Quote
Certification | Testing
Factory CertifiedRefund guarantee
24h refund guaranteeSecure Payment
PayPal Verified
GRACO Diaphragm Pump 233777
Payment Methods

Need a Same-Day Quote?
Need help confirming model compatibility?
100% Original
Genuine OEM PartsFast Delivery
Shipped via FedEx / DHL / UPS12-Month Warranty
Worry-Free CoverageSecure Packaging
Safe & Reliable5,000+ Global Suppliers
Trusted by Professionals
Professional Model-Matching System
Send us your model numbers or nameplate details.
We will match your request with our 5,000+ verified suppliers and issue a quotation.
Fluid Inlet Size (in) 3/4
Fluid Inlet Thread Type NPT
Fluid Outlet Size (in) 3/8
Fluid Outlet Thread Type NPT
Manifold Configuration Center Port
Material Aluminum
Maximum Flow Rate (GPM) 8.5
Maximum Fluid Pressure (MPa) 0.8
Maximum Fluid Pressure (psi) 115
Maximum Operating Temperature (°F) 176
Minimum Operating Temperature (°F) 50
Power Source Air
Pump Ratio 1:1
Type Pneumatic Diaphragm Pump
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: 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 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.
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.
Related Products
Q&A
Q: How can I write a review for a purchased product?
A: After completing the order, you can go to the order page and select the items you want to review from the product list. You can share your shopping experience, and feedback on product quality and service to help other buyers make better decisions.
Q: What should I do if I forgot my password?
A: If you forgot your password, click on the "Forgot Password" link on the login page. Follow the instructions to reset your password.
Q: How can I view the average rating and user reviews of a product?
A: On the product details page, you can view the average rating and user reviews. We encourage users to share their shopping experiences and feedback on the products, so you can better understand the opinions and suggestions of other buyers.







