U.S. Valve Manufacturer for Control Valves, Ball Valves & Butterfly Valves

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Build an industrial safety ecosystem with customers and partners

About Miller

Miller Valve,a legendary industrial company based in Delaware,Covers three core sectors: petrochemical,power,and water infrastructure,with annual sales exceeded $ 500 million USD,Miller Value ranks among the top 20 in the global control value market
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Precision to Perfection Safety in Extremes

Seiko·Responsibility·Progress

  • Seiko: Carving every detail with reverence, leaving no room for the slightest deviation in safety standards.

  • Responsibility: A steadfast steward of life, assets, and environment; an unseen sentinel when it matters most.

  • Progress: Partnering with clients and allies to advance the industrial safety ecosystem together.

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POWER INDUSTRY

We supply high-performance valves—including gate, globe, check, and power plant-specific types—for critical systems such as boilers, steam turbines, and feedwater lines in thermal and nuclear power plants, ensuring reliable shutoff and flow control under high-temperature, high-pressure conditions.

PETROCHEMICAL

Our durable valves—ball, gate, globe, and special-alloy—are designed for refining, chemical processing, and oil & gas transmission. They offer corrosion resistance and dependable performance in high-pressure, aggressive media environments, supporting safe and stable plant operations.

WATER﹠BUILDING SERVICES

We provide a full range of valves—butterfly, gate, check, pressure-reducing, and fire protection—for water supply, drainage, pumping stations, HVAC, and fire systems, delivering efficient, long-term fluid control for urban infrastructure and building comfort.

METALLURGICAL SMELTING

Specializing in extreme conditions, we offer high-temperature, abrasion-resistant valves—including ball, gate, butterfly, and dust-handling types—for blast furnaces, BOF, continuous casting, and waste heat recovery, ensuring stable operation in high-wear, high-heat metallurgical processes.

NEW ENERGY

We provide high-purity, corrosion-resistant specialty valves for photovoltaic, lithium battery, and hydrogen applications. Suitable for polysilicon production, electrolyte transfer, and hydrogen storage/transport, they ensure sealing integrity and safe handling of ultra-pure or high-hazard fluids.

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