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

Material

Body: 303 Stainless Steel, 316 Stainless Steel, Brass, Chrome-plated Brass
Main Valve Seat, Gasket: CTFE, Vespel®
Back-up Ring: Teflon®

O-Ring

Buna-N, Viton®, Ethylene Propylene, Kalrez®

Trim

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

Weight

8 lbs / 3.6 kg