The Demand-Flow Regulator delivers calibration gas only when a pumped or aspirated detector actively draws it, matching supply precisely to the instrument's own sampling pump. By releasing nothing at all when the detector is idle, it conserves costly gas, extends cylinder life and helps ensure accurate, repeatable readings for portable monitors across GCC and Indian field operations.
The Demand-Flow Regulator is engineered specifically for gas detectors fitted with internal sampling pumps or aspirators. Rather than supplying a continuous stream, it opens only in response to the negative pressure created when the instrument draws gas, then closes the moment sampling stops. This demand-based operation means the detector receives exactly the volume it requests and no more, eliminating the waste inherent in continuous-flow methods and significantly extending the working life of each calibration gas cylinder.
The result is both economical and technically precise: because the regulator does not force gas at a fixed rate, it prevents over-pressurising the sensor and delivers a reading that reflects true instrument response. Corrosion-resistant internals ensure compatibility with reactive and inert gas mixtures, while the compact housing integrates easily into portable calibration kits. This makes the regulator well suited to field technicians servicing pumped monitors across oil and gas terminals, petrochemical complexes, marine vessels and utility sites throughout the GCC and India. Filosha Industrial supplies demand-flow regulators with connections matched to standard calibration cylinders and supports each order with regional stock and knowledgeable technical assistance, helping customers cut gas consumption while maintaining rigorous calibration accuracy and compliance.
| Flow Type | Demand / on-draw |
|---|---|
| Activation | Detector sampling pump |
| Detector Compatibility | Pumped / aspirated |
| Idle Flow | None |
| Cylinder Connection | Standard C10 / equivalent thread |
| Body Material | Corrosion-resistant alloy |
| Operating Temperature | -10 to 50 degrees C |
Specifications are indicative. Contact us for full technical data, datasheets and available variants.
Factory-preset constant-flow regulator delivering a fixed 0.5 LPM for diffusion gas detectors.
Variable-flow regulator with indicator delivering 0.1 to 6 LPM for diverse detection instruments.
Push-button regulator giving manual on-demand gas release for fast, controlled bump tests.
Protective case holding cylinders, regulator and detector for organised field calibration.
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