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CGA-540 is the standard fitting for the attachment of a compressed gas cylinder to the required regulator or transfer line in the United States.

Regulator Features Include:
Constant lock-up, flowing pressure range and large flow reserve throughout the pressure charge range of the cylinder. Light weight aluminum body with oxygen compatible brass and seat materials in the critical whetted regulating/throttling high-pressure areas.

Wide operating temperature range. -20 to +50 C:
Special flat-wire Wave-Helix spring design complements the gas dynamics and aging characteristics of the inlet seat to provide lock-up to dynamic pressures that are unusually tightly matched for a piston type regulator design throughout its service life.

Our unique seat design provides very fast lock-up response times with an oscillation-free high flow factors specifically designed for use with pulse demand systems.

All of Mountain High - high pressure oxygen regulators are designed and built by Mountain High in the USA.