Dosatron® D40MZ2 Injector - Bypass Top
Product Overview
System shutdowns during the peak of the growing season can lead to immediate crop loss and catastrophic turf damage. When your fertigation system fails, plants lose access to vital nutrients right when heat stress is at its highest. Late spring demand often leads to industry-wide shortages, creating long lead times that can stall major commercial installs or greenhouse turnovers. Planning ahead and securing your Dosatron units now ensures your projects stay on schedule, avoiding the logistical nightmare of back-ordered components during your busiest months. Reliable chemical injection is the insurance policy your clients expect for their high-value landscapes and agricultural assets.
The Dosatron D40MZ2 with the Bypass Top provides a significant technical advantage over venturi systems or lower-grade injectors that suffer from inconsistent dosing during flow fluctuations. This water-powered motor delivers precise volumetric injection regardless of changes in pressure or flow rate, which reduces labor spent on manual mixing and prevents expensive chemical waste. By installing a professional-grade unit, you minimize long-term maintenance costs and eliminate the guesswork for your crews. Having these units ready for deployment gives you a competitive edge by allowing you to offer high-efficiency, automated nutrient delivery systems that represent the gold standard in modern irrigation.
Product Specifications
| Specification | Detail |
|---|---|
| Material | Reinforced Polypropylene and Specialty Elastomers |
| Flow Range | 2.2 to 40 Gallons Per Minute |
| Pressure Range | 4 to 116 PSI |
| Injection Ratio | 1:500 to 1:50 (0.2% to 2%) |
| Inlet/Outlet Size | 1-1/2 Inch NPT |
| Color/Finish | Blue Housing with White/Gray Components |
Available Models & Sizes
The D40 series is available in several configurations including various seal materials for chemical compatibility and different injection ranges to meet specific fertigation needs. Please contact our technical sales team for full configurations, volume pricing on multi-unit orders, or to discuss specific seal requirements for specialized chemical applications.
Key Features
- Engineered for high-flow capacity up to 40 GPM to support large-scale zones and commercial greenhouses.
- Water-powered motor requires no electricity, which simplifies installation in remote landscape locations or field sites.
- Bypass top design allows for easy integration and system isolation without stopping the main water flow.
- Composite external housing provides exceptional resistance to UV exposure and harsh agricultural chemicals.
- Simple tool-free maintenance allows your crews to perform field service and piston replacements quickly.
- Standard 1-1/2 inch NPT connections ensure compatibility with common professional irrigation piping and manifolds.
Common Applications
- Commercial landscape irrigation
- Agricultural and crop irrigation
- Greenhouse and nursery operations
- Sports turf and golf course maintenance
- Municipal parks and public spaces
- Chemical and fertigation delivery
Installation Notes
Install the Dosatron D40MZ2 on a main line or a bypass loop using 1-1/2 inch fittings. It is recommended to install a 200 mesh filter upstream to protect the motor from debris and a check valve downstream to prevent backflow into the injector. Ensure the unit is mounted vertically with the suction hose submerged in the stock solution. Follow all local plumbing codes regarding backflow prevention to maintain compliance with potable water safety regulations.
Top Reviews
"Absolutely incredible service! The Goulds GT20 pump we purchased runs flawlessly and better performance than our old unit ever had. Reliable pressure, easy to install, and it’s already improved our irrigation system. Highly recommend ASIW Supply!"
"Professional and dependable. The Goulds J10 pump we ordered was delivered quickly and exactly as described. Installation was smooth, and it handles daily demand without an issue. ASIW Supply is my go-to for pumps."
"We ordered custom 2-1/2" PVC pipe sections, and the precision was spot-on. The cuts were clean, fit perfectly, and saved us hours of labor. ASIW Supply made the process easy and the product quality is outstanding."
"Exceptional from start to finish. Needed a replacement GT20 in a hurry. ASIW Supply had it in stock and shipped same day. The pump is running beautifully and exceeded expectations."
"ASIW Supply is fantastic. Their Goulds J15 pump came packaged securely, with clear documentation, and the support team answered all our technical questions. Our system has never run better."
"We’ve tried other suppliers, but none compare to ASIW Supply. The 2-1/2" PVC pipe we purchased was durable, exact to spec, and shipped fast. Their products and service are absolutely worth the investment."