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44-4000 Series Spring Diving Regulator

44-4000 dome loaded, spring biased regulator is designed for pressure tracking applications to maintain a constant differential pressure. Venting allows for pressure tracking increases and decreases. Ideal for use in diving applications for emergency breathing air.

Pressure Rating
Maximum Inlet Pressure: 6000 psig / 414 bar
Outlet Pressure Ranges: 50-1500 psig / 3.4-103 bar
Body: 303 Stainless Steel, 316 Stainless Steel, Brass, Chrome-plated Brass
Main Valve Seat, Gasket: CTFE, Vespel®
Back-up Ring: Teflon®
Buna-N, Viton®, Ethylene Propylene, Kalrez®
300 Series Stainless Steel, 17-4 PH Stainless Steel, Brass
Port Size & Type
Inlet & Outlet Port Type: BSP, SAE, NPTF, MS33649
Inlet & Outlet Port Size: 1/2, 3/4
Flow Capacity
Main Valve: Cv = 0.7 (Cv = 2.0 optional)
Vent Valve: Cv = 0.35
Load Type
Dome, Air
8 lbs / 3.6 kg