Model 3120

High purity brass regulators designed for use with analytical applications. Use with non-corrosive gases.

• Supply of carrier gas/detector support gas for a variety of gas chromatography applications
• Supply of calibration standards to on-line process analyzers, emission monitoring systems, etc.
• High purity applications with non-corrosive gases requiring a constant delivery pressure

 

Design Features/Components:

• High purity nickel plated brass bar stock bodies
• High purity 316 stainless steel diaphragms
• Metal to metal seals minimize diffusion of contaminants
• 2-1/2” inlet and delivery pressure gauges
• Equipped with outlet diaphragm valve
• Bonnet ported and threaded to pipe gases away from work area
• 1/4” compression tube outlet
• Porous metal filter protects seat from contamination
• Panel mountable
• Optional interstage relief valve available

 

Materials of Construction:

• Gauges:                        Chrome plated brass
• Body:                           Nickel plated brass barstock
• Bonnets:                       Nickel plated brass
• Diaphragms:                 316 stainless steel
• Seats:                           1st Stage – PFA Teflon 2nd Stage – TFE Teflon
• Seals:                            Metal to metal

 

Specifications:

• Maximum Inlet Pressure:                                 3000 psig (20,700 kPa)
• Maximum Flow Rate:                                       Model 3121: 70 SCFH (30 SLPM)
• (At 2500 psig, N2)                                Model 3122: 300 SCFH (140 SLPM)
• Model 3126: 500 SCFH (235 SLPM)
• Model 3128: 500 SCFH (235 SLPM)
• Flow Capacity (Cv):                                       0.05
• Operating Temperature:                                 -40°F to 165°F (-40°C to 74°C)
• Porting:                                                        1/4” NPT Female
• Porting Configuration:                                     2 High, 2 Low, 1 Interstage
• Shipping Weight:                                            5 lbs