Dos/Sm Series Metering Ball Valve
$240.88 – $313.48
Trusted. Versatile. Field-Tested.
Whether you’re building a custom rig or replacing a worn part, this DOS/SM Series Metering Valve offers precision, durability, and easy control. It’s built for professionals who expect smooth performance—even when using aggressive chemicals in daily operations.
Upgrade your system with a valve trusted in the field—choose DOS/SM for better flow and fewer problems.
| Ball Valve Size | 1/2" ,3/4" ,1" |
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DOS/SM Series Metering Ball Valve – Smooth, Precise, Chemical-Resistant Control
The DOS/SM Series Metering Ball Valve is a reliable, precision-control valve designed for chemical mixing systems requiring consistent and repeatable flow. It’s the same trusted valve used in our Hydro-Mixer V4, making it a proven solution for soft wash professionals.
This valve performs exceptionally well with 12-volt pumps, booster pumps, and medium-flow air diaphragm pumps. Thanks to its smooth operation and strong chemical resistance, it’s ideal for setups where precision and durability matter most.
Key Features:
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Precision Flow Control: Enables accurate solution metering for water, bleach (SH), or soap
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Chemical-Resistant Build: Constructed from corrosion-resistant materials, including seats and seals
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Threaded Connections: FNPT x FNPT ends ensure a secure and easy fit with most plumbing setups
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180° Handle Rotation: Allows smooth, adjustable flow with fine-tuned control
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Multiple Sizes Available: Choose from 1/2″, 3/4″, or 1″ depending on your system needs
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Hydro-Mixer V4 Compatible: Same valve installed in our V4 Proportioner for proven performance
Midwest Washing Equipment – Built for Pros. Priced for All.
With nearly 20 years of industry experience, Midwest Washing Equipment is dedicated to delivering professional-grade cleaning solutions without the premium price tag. We understand the demands of the field because we’ve worked in it—and that’s exactly why we’re committed to offering reliable equipment, affordable pricing, and the best customer support in the industry.
Quality Gear. Real Support.
Our mission is simple: provide top-quality equipment that performs day in and day out—without breaking your budget. But we don’t stop there. At Midwest, customer service isn’t just a department—it’s our culture. Every call, every order, every question matters to us.
From startup contractors to seasoned pros, we work hard to make sure your experience is smooth, your tools work right, and your business keeps moving forward.
We’re proud to serve the pressure washing and cleaning community—and we’re here to help you grow. Let us earn your trust, your repeat business, and your next recommendation.
Midwest Washing Equipment—Where performance meets real support.
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