Portagas offers unequaled quality and performance from its constant flow regulators. With their unique diaphragm design, these regulators will hold their preset flow, even as the cylinder pressure is depleted.

Constant Flow Regulator Series 100

The Series 100 regulators from PortaGas are designed to maintain constant flow rates so you get real accurate monitor calibrations even as the cylinder pressure drops.
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Flow Matching Regulator

PortaGas demonstrates a commitment to calibration innovation for the Environmental and Industrial Hygiene markets by being the first to develop a Flow Matching Regulator.
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