Advanced Flow Control Integrity


Innovative Flow Control Products and Sealing Technologies

Established in 1947, Circle Seal Controls offers a wide choice of valves and controls for Aerospace, Military, and Industrial Applications ranging from discrete components to integrated assemblies to complete fluid control systems. 

We design and manufacture flow and sealing technologies that include a wide range of valves and pressure regulators, such as Atkomatic heavy-duty industrial solenoid valves high-precision pressure relief valves, thermal-relief valves, ball- and poppet-style check valves, high-pressure check valves, manual-shutoff valves, dome-loaded pressure regulators, and back-pressure regulators.

We are an engineering partner and a trusted advisor from design to testing to production to the aftermarket. All products are 100% tested. Test bench equipment including pneumatic, fuel hydrostatic, and hydraulic (which encompasses red oil and Skydrol) are standard at Circle Seal Controls

Quality Control Systems
  • AS9100 Rev D
  • UL Underwriters laboratories
  • ASME Section VIII - UV Certification for Safety Relief Valves
  • European CE / PED Certification
  • CSA Approvals
  • Canadian CRNs
  • Customer Specific Approvals
  • Calibration ANSI/NCSL Z540-1
Product Traceability
  • Unique Traceability # of each lot
  • UID Marking
  • Full Documentation System
INDUSTRIES SERVED
Aerospace

Commercial Aerospace

Civil Aircraft
Business Jets
Civil Helicopters
Commercial Space

Defence

Defense

Naval
Military Aircraft
Tactical Systems
Defense Space Systems
Ground Support

Image of Industrial facility

Industrial

Chemical
Pulp and Paper
Environmental Engineering
Mining and Mineral Processing
Steel & Primary Metals
Machine Construction
Gear Boxes and Compressors
Electric Vehicles
Tool Machines
Construction & Building
Heating and Cooling
Food & Beverages
Industrial Boilers

Image of hydrogen power

Hydrogen

Aftermarket image

AFTERMARKET

Your best resource for
service, maintenance and quality parts.


No one knows your valves, pumps and systems like the experts at CIRCOR. Our certified OEM parts are engineered to meet or exceed original equipment standards and our service and support teams are equipped with some of the best knowledge in the industry. We have the resources to troubleshoot, analyze and solve even your most complex issues in ways other service options are unable to.

Contact Us

Resources
Contact Circle Seal Controls

GENERAL

Phone: 951-270-6200
Fax: 951-270-6201
Email: info@circoraerospace.com

SALES

Email: circleseal@circor.com

CUSTOMER SERVICE

Email: info@circoraerospace.com

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