Description
When you’re out spraying fields and your pump isn’t keeping up with demand, you’re burning daylight and wasting chemical. This Delavan demand pump delivers consistent flow when you need it—5.3 GPM at open discharge and 3.8 GPM at 40 PSI. The built-in demand switch kicks in at 60 PSI, so you get automatic pressure control without babysitting the system.
What You’re Getting
- Reliable 5.3 GPM flow capacity handles most boom sprayer applications without breaking a sweat
- Automatic demand switch at 60 PSI means steady pressure without constant adjustments
- Viton check valve resists chemical damage and prevents backflow that can mess up your mix ratios
- Santoprene diaphragm handles the flex cycles and chemical exposure that comes with spraying
- Self-priming design gets you going quickly when you’re starting up or changing tanks
Built for Real Farm Work
This pump is designed for agricultural spraying operations where you need dependable flow and pressure control. Whether you’re running a 3-point boom sprayer, pull-type unit, or field cultivator with spray attachment, it handles herbicides, insecticides, and liquid fertilizers without the chemical compatibility issues you get with cheaper pumps.
Made to Last
The Viton check valve and Santoprene diaphragm are chosen specifically for chemical resistance—they won’t swell, crack, or fail when exposed to the harsh chemicals you’re spraying. The demand switch design means less wear on the motor since it only runs when pressure drops, extending pump life and reducing maintenance headaches.
Installation Notes
This is a direct replacement for most Delavan demand pumps in agricultural sprayers. Make sure your electrical system can handle the amp draw, and check that your suction lines are properly sized for the flow rate. A quick tip: prime the pump before your first use to get all the air out of the system.
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