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Irrigation systems and agricultural water distribution require pumps with consistent flow and corrosion-resistant construction. The Lowara ZN631/4-3N combines a 6-inch wet end with 6-inch motor and NEMA coupling, achieving 667 L/Min for farm water supply. The multi-stage hydraulic assembly provides stable performance.
Non-return valve integration prevents water column backflow during power interruptions. AISI 316 stainless steel throughout the wetted components offers corrosion resistance. The impeller incorporates a removable wear ring. The suction strainer restricts sand passage to 100 grams per cubic metre. The Duplex shaft provides torsional strength.
Driven by 415V three-phase supply drawing 12.7 Amps, shut-off head reaches 57.9 metres. Flow capacity is 667 L/Min through the Rp 3 outlet. Hydraulic performance conforms to EN ISO 9906 Grade 3B tolerances.
Immersion depths to 350 metres are supported with Class F insulation and IP68 rating. AISI 316L tie rods provide mechanical reinforcement. NEMA compatibility and safety hook holes simplify borehole installation.
Z = 6" wet end with 6" Lowara L6C motor
FEATURES- Pre-drilled safety hook holes on discharge head
- Duplex stainless steel UNS S 31803 shaft
- AISI 316L stainless steel bracing tie rods
- Replaceable coupling for standard servicing
- Suction strainer with AISI 316L mesh
- NEMA-compliant motor connection flange
* Motor and pump supplied separately - requires assembly
FAQs
General Product FAQs
1. How do I choose the right pump for my setup?
Selecting the correct pump depends on your required flow (L/min), total head (vertical lift + friction loss), and power source. If you're unsure, contact our team and we’ll size the right system for you.
2. Do you offer support with system design or setup?
Yes — we provide expert advice to help you choose, install, and optimise your pump system. Whether it's a simple setup or a custom solution, we’re here to help.
3. Do you offer complete pump solutions or just products?
We don’t just sell pumps — we provide complete solutions. From accessories and control systems to full packaged setups, we can supply everything required to get your system running efficiently.
Shipping & Availability
1. Do you offer Australia-wide shipping?
Yes — we ship across Australia. Bulk or oversized orders may incur additional freight charges otherwise we offer free shipping over $100*
2. How long does delivery take?
Orders are typically shipped within 1–2 business days, with delivery taking approximately 2–7 days depending on your location.
3. What courier or freight companies do you use?
We work with a range of trusted carriers including Australia Post, StarTrack, TNT, and other national freight providers depending on the size and location of your order. This allows us to ensure fast, reliable delivery across Australia, including regional and remote areas.
Warranty & Support
1. Do your pumps come with a warranty?
Yes — all products are backed by manufacturer warranties. Warranty periods vary depending on the brand and product type.
2. What support do you offer after purchase?
We provide ongoing support including:
- Installation advice
- Troubleshooting
- Spare parts supply
- System upgrades
3. What is the warranty process if something goes wrong?
If you experience an issue, simply contact our team with your order details and a description of the problem. We’ll guide you through troubleshooting and, if required, arrange repair, replacement, or manufacturer assessment in line with warranty terms.
Why choose Foundation Pumps?
1. Why choose Foundation Pumps over other suppliers?
We focus on supplying proven, high-quality pump solutions backed by real industry knowledge. Unlike general resellers, we understand how these systems perform in the field and provide honest, practical advice to ensure you get the right solution the first time.
2. Do you offer expert advice before and after purchase?
Yes — we support you at every stage, from selecting the right pump through to installation and ongoing use. Our team is available to assist with sizing, troubleshooting, and system optimisation whenever you need it.
3. Do you stock trusted brands and quality products?
We carefully select and supply pumps from reputable manufacturers known for reliability and performance. Our range includes both industry-leading brands and high-value alternatives that meet Australian standards and conditions.
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