44-3400 Series is a compact, lightweight high purity two-stage cylinder regulator for specialty, corrosive and pyrophoric gases less than 5 SCFM / 141 SLPM. Diffusion-resistant metal-to-metal diaphragm seal ensures gas purity and integrity. Ideal for use in high pressure gas cylinders for specialty and industrial gases used with analyzers, lasers, and laboratory applications.

Pressure Rating

Maximum Inlet Pressure: 3500 psig / 241 bar
Outlet Pressure Ranges: 0-25, 0-50, 0-100, 0-150, 0-250 psig / 0-1.7, 0-3.4, 0-6.9, 0-10.3, 0-17.2 bar

Material

Body: 316 Stainless Steel, Brass or Monel
Bonnets: 300 Series Stainless Steel or Brass
Diaphragms: 316 Stainless Steel or Elgiloy®
Seats and Friction Sleeve (inner): Teflon®

Remaining Parts

316 Stainless Steel and Brass (for Brass models)

Operating Temperature

-40°F to 165°F / -40°C to 74°C

Port Size & Type

1/4 NPTF

Flow Capacity

Cv = 0.05

Weight (without gauges)

3 lbs / 1.4 kg