P04 Series Core, low-profile clearance with pull-actuated exhaust.
P04 SERIES. RAPID EXHAUST. KEEN PROFILE.
Pull-actuated exhaust is integrated into a low-profile body with an elliptical hose interface, reducing bulk and snag exposure. Built to the P04 flange interface, it fits natively across P04 Series flanges.
- ① Keen – 30.5 mm / 1.2 in
- ② Sharp Nut – 11.9 mm / 0.47 in
REV P04 | KEEN
KEY FEATURES
Defined by profile geometry and Series interface.
REV
CONNECTOR SYSTEM

Rapid exhaust connector interface.
KEEN
BODY PROFILE

Low-profile construction featuring an elliptical hose interface.

Flange diameter ~45 mm / ~1.77 in Medium profile
Min collar height ~10 mm / ~0.39 in
Trapezoidal thread, 2.5 mm pitch
5-Ridge alternating interlock coupling section
SHARP
NUT PROFILE

Clean-cut profile
Crisp geometry.
ASSEMBLY & COMPONENT VIEWS
Complete assembly views and component breakdown.

Extended Mount Compatibility
Engineered for cross-platform integration, HYDPRO Connector Units are available in T23 and T25 Mount Standards, specifically configured for 23.6 mm (0.93 in) and 25.4 mm (1.00 in) corrugated hoses.
INFLATOR SYSTEM · CONNECTOR UNITS
CLEARANCE-DRIVEN DESIGN.
WIDE INTERFACE COVERAGE.
ITALIAN ENGINEERING.
PREDICTABLE CONTROL.
Each HYDPRO device is engineered and manufactured in Italy: one chain from raw material to release. Polymer families are selected for constant immersion, precision-drawn brass runs on in-house CNC lines, and every device leaves built, tested, and signed off under one roof.


Built to integrate. True to your setup.
Whatever the field runs, HYDPRO builds to it natively: every established mount standard, thread, and host geometry, covered from the factory. Your setup stays as it is, integration stays clean, and the response repeats: the same command, the same result, on every dive.
Proven by divers. Refined by decades.
Four decades in the water stand behind the current generation. What wears, what binds, what drifts out of tune comes back from real dives to the bench, and the next revision answers it. Control you can feel, refined one generation at a time.