74-3000 Series ultra high purity pressure reducing regulator offers 5 Ra or 10 Ra surface finishes, high flow Cv = 0.5 and an internally threadless and low internal volume design. Inlet pressures are 600, 1000, or 3500 psig / 41.3, 69, or 241 bar with outlet pressures up to 150 psig / 10.3 bar. Ideal for use in high flow purging systems, 1/2" point-of-use, regulation of specialty gases and semiconductor manufacturing.

Maximum Inlet Pressure

300, 600, 1000, or 3500 psig / 20.7, 41.4, 69.0, or 241 bar

Outlet Pressure Ranges

  100 mm Hg absolute - 15 psig, 3-30, 3-60, 4-100, and 4-150 psig
  100 mm Hg absolute - 1.0 bar, 0.21-2.1, 0.21-4.1, 0.28-6.9, and 0.28-10.3 bar

Material

Body: 316L VAR Stainless Steel with Electropolish
Diaphragm: Hastelloy®
Stem, Seal & Remaining Parts: 316 Stainless Steel

Valve Seat

  3500 psig / 241 bar: Vespel®
  300 and 1000 psig / 20.7 and 69.0 bar: PCTFE
  600 psig / 41.4 bar: Teflon® PFA

Operating Temperature

Vespel® Seat: -40 to 300°F / -40 to 149°C
PCTFE Seat: -40 to 140°F / -40 to 60°C
Teflon® PFA Seat: -40 to 160°F / -40 to 71°C

Port Size & Type

1/4, 3/8, 1/2 Tube Stubs
1/4 Male Fixed
1/2 Male Swivel, Female Swivel

Flow Capacity

Cv = 0.5

Load Type

Hand

Weight

3.2 lbs / 1.5kg

Additional Information

For custom modifications or a complete system solution, please contact your local sales office