Availability: 10 in stock
High-purity brass line regulator designed for analytical applications with non-corrosive gases.
• Point-of-use regulation of high-purity gases used in chromatography or other analytical applications (see table below for details)
• High purity nickel plated brass barstock bodies
• High purity 316L stainless steel diaphragms
• Metal to metal seals minimize diffusion of contaminants
• 2-1/2” delivery pressure gauge
• Available with outlet diaphragm valve
• 1/4” or 1/8” compression tube inlet/outlet connection
• 10 micron metal filter protects seat from contamination
• Bonnet threaded for panel mounting
• Body screw thread tapped for back mounting, 10-32 UNF
• Bonnet vent hole size: 1/8” NPTF
| Part Number | Max Delivery Pressure |
Delivery Pressure Gauge |
Valve | Inlet/Outlet |
| SEQ3420A | 15 psi | -30″-0-30 psi | X | 1/4″ Compression |
| SEQ3420ANV | 15 psi | -30″-0-30 psi | 1/4″ Compression | |
| SEQ3420A2 | 15 psi | -30″-0-30 psi | X | 1/8″ Compression |
| SEQ3420ANV2 | 15 psi | -30″-0-30 psi | 1/8″ Compression | |
| SEQ3421A | 50 psi | -30″-0-100 psi | X | 1/4″ Compression |
| SEQ3421ANV | 50 psi | -30″-0-100 psi | 1/4″ Compression | |
| SEQ3421A2 | 50 psi | -30″-0-100 psi | X | 1/8″ Compression |
| SEQ3421ANV2 | 50 psi | -30″-0-100 psi | 1/8″ Compression | |
| SEQ3423A | 125 psi | -30″-0-200 psi | X | 1/4″ Compression |
| SEQ3423ANV | 125 psi | -30″-0-200 psi | 1/4″ Compression | |
| SEQ3423A2 | 125 psi | -30″-0-200 psi | X | 1/8″ Compression |
| SEQ3423ANV2 | 125 psi | -30″-0-200 psi | 1/8″ Compression | |
| SEQ3425A | 250 psi | 400 psi | X | 1/4″ Compression |
| SEQ3425ANV | 250 psi | 400 psi | 1/4″ Compression | |
| SEQ3425A2 | 250 psi | 400 psi | X | 1/8″ Compression |
| SEQ3425ANV2 | 250 psi | 400 psi | 1/8″ Compression |
• Gauge: Chrome plated brass
• Body: Nickel plated brass barstock
• Bonnet: Chrome plated brass barstock
• Diaphragm: 316L stainless steel
• Seat: Teflon
• Seals: Metal to metal
• Maximum Inlet Pressure: 3000 psi (2,760 kPa)
• Typical Max Flow Rate (100 psi del press): 8 SCFM-N2 (230 SLPM)
• Flow Capacity (Cv): 0.08
• Operating Temperature: -40°F to 140°F (-40°C to 60°C)
• Flow Direction: Right to Left
• Porting (Regulator Body): 1/4” NPT Female
• Porting Configuration: 2 High, 2 Low
| Mounting Options | |||
| Mounting Bracket for Single Stage & Line Regulators Two 10-32 screws are needed to mount the back of the regulator to this bracket. |
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| Mounting Bracket for Regulators PMK-2N Mounting Nuts are also needed (see below). The regulator knob will have to be removed in order to mount on this bracket. |
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| PMK-2N Mounting Nuts These nuts can be used either with the above bracket or for mounting in a panel. |
