Circle Seal Controls
Fluid Control Solutions
Circle Seal Controls specializes in high-performance check and relief valves, ensuring precise fluid control for a wide range of pressure conditions—from vacuum levels to 10,500 psig.

Circle Seal Controls Fluid Control Solutions provide precision-engineered components for reliable and accurate flow management in industrial and instrumentation systems. Their product range includes check valves, regulators, ball valves, needle valves, and manifolds, designed for leak-tight performance, low-pressure drop, and long-term durability.
Manufactured from Stainless Steel, Monel, Hastelloy, Inconel, Duplex, and Super Duplex alloys, Circle Seal products excel in high-pressure, high-temperature, and corrosive environments. Widely used in oil & gas, chemical, petrochemical, pharmaceutical, and power generation industries, they ensure process safety, precise control, and operational efficiency across critical applications.
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Technical expertise in flow control and instrumentation.
From standard instrumentation components to custom-built sampling systems, we help engineers select the right solution for demanding industrial applications.
Products
4,000+
Our product range consists of more than 4,000 different products.
Experience
63
Supporting customers with technical expertise since 1963.
Customers
800+
Trusted by customers in the oil & gas, petrochemical, power, and semiconductor industries.
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