Description
When you need a reliable way to drain your spray tank or liquid fertilizer storage, this bottom drain flange is what you’re looking for. Whether you’re cleaning out chemical residue after spraying season or need to completely drain a nurse tank for maintenance, having a proper drain at the lowest point saves you time and keeps you from having to tip tanks or use pumps for every last drop.
What You’re Getting
- Heavy-duty 3 x 3 inch threaded flange that handles the weight and pressure of full tanks
- EPDM gaskets that seal tight against agricultural chemicals and won’t break down from fertilizer or herbicides
- Stainless steel bolts that resist corrosion from harsh chemicals and weather exposure
- Bolted design lets you remove and service the drain without replacing the whole flange
Built for Real Farm Work
This flange fits right into the bottom of spray tanks, nurse tanks, and liquid fertilizer storage systems where you need complete drainage. It’s sized for serious flow rates, so you can drain tanks quickly when time matters. Perfect for custom tank builders or replacing worn flanges on existing equipment.
Made to Last
The EPDM gasket material stands up to the chemicals you’re working with daily, from liquid nitrogen to post-emergence herbicides. Stainless steel hardware means you won’t be dealing with rusted bolts when it’s time for maintenance, and the flange itself is built to handle the expansion and contraction that comes with temperature swings.
Installation Notes
This is a threaded flange, so you’ll want to use thread sealant or tape on the drain valve connection to prevent weeping. Make sure your tank wall thickness matches the flange specifications before drilling the hole. Position it at the absolute lowest point of your tank for complete drainage.



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