44-1300 Series is a high pressure, high flow pressure reducing regulator that offers a venting and balanced valve design. The 44-1300 Series provides Cv = 0.8 and 2.0. Dome and air load options are available. Ideal for use in commercial diving - breathing air, special gas mix regulation hard suit diving and high pressure tube trailer gas reduction.

Maximum Inlet Pressure

Stainless Steel Body: 4500 psig / 310 bar, 6000 psig / 414 bar available
Brass Body: 3750 psig / 260 bar, 5000 psig / 345 bar available

Outlet Pressure Ranges

0-300, 0-600, 0-1000 and 0-1500 psig / 0-20.7, 0-41.4, 0-69.0 and 0-103 bar
0-2500 psig / 0-172 bar available

Body Material

Brass, 303 or 316 Stainless Steel

Seat Material

Main Valve: CTFE (Except: 44-13X2-XXX2, Teflon®)
Vent Valve
Teflon®: 300 and 600 psig / 20.7 and 41.4 bar outlet
CTFE: 1000 and 1500 psig / 69.0 and 103 bar outlet

O-Rings

Viton-A®

Back-up Rings

Teflon®

Gaskets

CTFE

Remaining Parts

300 Series Stainless Steel, 17-4, 17-7 Stainless Steel, Teflon® and Brass

Port Size & Type

1/2, 3/4
SAE, NPTF, MS33649, BSPP
1/2, 1
Flange

Operating Temperature

-15°F to 220°F / -26°C to 104°C

Flow Capacity

1/4 Main Valve: Cv = 0.8
3/8 Main Valve: Cv = 2.0

Load Type

Spring, Dome, Air

Weight (without gauges)

6.25 lbs / 2.8 kg