Specline Damper Regulators
Specline Regulators are designed for minimum leakage applications.
Quadline Damper Quadrants
Quadline Damper Quadrants of constructed of heavy gauge plated steel.
Stampline Regulators are made of heavy gauge steel and are efficient and cost efffective.
Spec Seal Damper Regulators
Spec Seal Damper Regulators utilize a special rubber seal for application up to 500 F.
The Universal Regulator worked with 3/8'' and 1/2'' square or round rod. (Patent #7,472,699)