Dayton Valve: 1/2 in Bypass Connection Size, Brass, 2,600 psi Max. Op Pressure
The DAYTON 1MDA1 is a brass unloader valve with a 1/2 in bypass connection size, rated for a maximum operating pressure of 2,600 psi and an overall height of 7 1/2 in. 3G Electric interprets customer demand and…
SKU 3G-OTH-440899
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Product Description
The DAYTON 1MDA1 is a brass unloader valve with a 1/2 in bypass connection size, rated for a maximum operating pressure of 2,600 psi and an overall height of 7 1/2 in. 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments — with specialist depth in pumps and controls — ensuring you get the right part, not just a catalog listing.
Frequently Asked Questions
What is a DAYTON unloader valve used for?
A DAYTON unloader valve, such as the 1MDA1 model, is used in pressure washers and high-pressure cleaning systems to regulate pump pressure by diverting flow when the trigger is released. It protects the pump from overpressure and extends equipment life in industrial and commercial cleaning applications.
What are the specifications of the DAYTON 1MDA1 unloader valve?
The DAYTON 1MDA1 unloader valve has a 1/2 in bypass connection size, a brass body, a maximum operating pressure of 2,600 psi, and an overall height of 7 1/2 in. It is manufactured by DAYTON under part number 1MDA1 and is designed for high-pressure cleaning systems.
Where to buy the DAYTON 1MDA1 unloader valve worldwide?
You can source the DAYTON 1MDA1 unloader valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine DAYTON components for industrial cleaning systems.
How to install a DAYTON unloader valve?
To install a DAYTON unloader valve, first depressurize the system and disconnect the inlet and bypass lines. Apply thread sealant to the 1/2 in bypass connection, then tighten the valve to the pump manifold. Adjust the unloader spring to the required pressure setting per the pump manual. Always test for leaks before full operation.
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Common applications for DaytonDayton Products
3G Electric supplies Dayton unloader valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









