The Coltri DRV300 is an DIN300 scuba tank fill with on/off valve, handwheel bleed, thumb screw fitting, and a #4AN (JIC) male fitting for connection to a compressed gas source. DIN300 are widely used in Europe. Alternate part for USA 45183-V.
Described alternatively by Coltri as "FILLING VALVE DRV 300 BAR, Filling connection DRV DIN 300 bar, [ATTACCO DRV DRV 300 BAR], [RUBINETTO DRV 300 BAR] and [Attacco bombola DRV DIN 300 bar]."
Nuvair offers authentic parts and equipment manufactured by Coltri Compressors. Beware of inexpensive aftermarket imitations labeled as "replacement," "OEM equivalent," "compatible," or "alternative," as they are not made by Aerotenica Coltri S.p.a. Due to size, weight, or specific requirements, some Coltri products may not be available for online purchase, and others may have extended lead times. To confirm compatibility with your existing equipment or to ensure the product meets your needs, please contact the Nuvair Sales Team for ordering assistance by email or phone.