Product Highlights

Category: Modular Micro Diaphragm Liquid Pump
Brand: KNF
Model: PU3790-NF100
Condition: New

Description

This micro diaphragm liquid pump is specifically designed for precision liquid transfer, sampling, circulation, or quantitative metering. It features excellent self-priming capability and allows for long-term dry running. Widely used in medical in-vitro diagnostic analyzers (IVD), environmental water quality monitoring, chemical delivery in semiconductor cleaning equipment, and digital inkjet printing.

Specifications

Part of the NF 100 core series customized model
Maximum liquid flow rate: 1.2 L/min
Maximum pressure: 1 bar (10 mWg)
Maximum self-priming height: 3 mH2O
Drive motor: 24VDC
Wetted parts: Made of engineering plastics and PTFE-coated diaphragm, highly resistant to acids, alkalis, and strong corrosive reagents

Condition Description:
Condition as shown in photos.

⚠️ IMPORTANT INFORMATION

Please read the following information carefully before purchasing.
By placing an order, you agree to all the terms, shipping, and return policies listed below.

🔍 Item Condition

The item shown in the pictures is the exact item you will receive. Products are divided into three status: brand new unused, tested second-hand and untested second-hand.
Brand new items keep original factory status without usage marks. Tested used goods have passed basic functional inspection. Untested used goods are sold as physical appearance only, working performance cannot be confirmed.
Pre-owned products may carry minor scratches, surface traces or normal wear caused by storage and use.
Please review all high-resolution photos carefully to confirm product condition before order.

🛠️ Product Details & Compatibility

Please verify your model number, part number, and system compatibility before purchasing.
Compatibility information provided in the listing is for reference only and does not guarantee full compatibility in all industrial systems.
If you are unsure whether this item will work for your specific application or PLC/CNC system, please contact us BEFORE placing the order.

📸 About Photos & Accuracy

All photos are taken from the actual item in our inventory.
We do our best to accurately display the item's current condition, included accessories, and manufacturer labels.
Colors or contrasts may vary slightly due to professional lighting or screen settings.

📦 Included in the Package

Only the items shown in the photos are included unless otherwise specified.
Please do NOT assume or expect additional accessories, cables, mounting brackets, manuals, software, licenses, or original packaging are included.

🚚 Shipping & Logistics Info

Orders are securely packed and shipped within the handling time stated in the listing (typically 5 business days).
All items are carefully packaged with anti-static and heavy-duty materials to ensure safe international delivery.
Delivery times may vary depending on carrier services, customs clearance, weather conditions, or remote areas beyond our control.
FOR OVERSIZED / HEAVY ITEMS: If this item is exceptionally heavy or large, please message us before purchasing to confirm or recalculate the most accurate shipping quote to your specific location.

🔄 Returns & Customer Support

Goods are sold based on actual product status. Untested second-hand items are non-refundable and non-returnable. Brand new and tested used items follow specified after-sales rules marked on listing page.
If there are any critical issues with your order upon arrival such as shipping damage, please contact us via eBay message BEFORE opening a formal case or leaving feedback.
We are professionals and will do our best to provide a fair and reasonable solution.

🔐 Fraud Prevention

Please Note: Serial numbers, barcodes, and unique product identification details are fully recorded/photo-documented before shipping for quality assurance and fraud prevention purposes.
Any attempts at swapping internal components or item alteration will be reported immediately.

If you have any questions regarding the item specifications, compatibility, bulk orders, or shipping discounts, please feel free to message us anytime.

Thank you for your business and we look forward to serving you!

New KNF PU3790-NF100 Modular Micro Diaphragm Liquid Pump

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