449-254 Series high purity, high flow pressure reducing regulators are ideal for high pressure bulk specialty gas delivery systems (BSGS). The 449-254 Series offers a Cv = 1.0, surface finish of 10 Ra and is available with Hastelloy® trim. Inlet pressure is 1500 psig / 103 bar with outlet pressures up to 400 psig / 27.6 bar.

Pressure Rating

Maximum Inlet Pressure: 1500 psig / 103 bar
Outlet Pressure Range: 25-400 psig / 1.7-27.6 bar

Material

Body: 316L VAR Stainless Steel
Diaphragm: Elgiloy®
Seat: PCTFE
Trim: Hastelloy®
Valve: Hastelloy®

Operating Temperature

-40°F to 140°F / -40°C to 60°C

Port Size & Type

1/4 Male Swivel (High Flow)
1/4 Female Swivel (High Flow)
1/2 Male Swivel
1/2 Female Swivel
1/2 Tube Stubs

Flow Capacity

Cv = 1.0

Weight

3.5 lbs / 1.6 kg