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Recommend
NAI-LOK Dual Stage Pressure Regulator with Extended Diaphragm Valve, Relief Valve & Cylinder Connection | Stable Outlet for Gas Control Systems
Dual-stage pressure control ensures stable outlet pressure even with decreasing inlet pressure
Integrated diaphragm valve provides precise flow control and leak-tight shut-off
Built-in safety relief valve enhances operator safety during overpressure conditions
Cylinder connection design allows direct installation to gas cylinders for convenience
High-purity SS316 stainless steel construction ensures corrosion resistance and clean gas delivery
Diaphragm-sensed mechanism for excellent sensitivity and pressure stability
Low internal volume design minimizes dead space and contamination risk
Suitable for various gases, including inert, reactive, and specialty gases
Optional pressure gauges, outlet fittings, and mounting brackets available
Ideal for laboratory, analytical instrumentation, and calibration gas systems
- Technical Parameters
- Main feature
- Operating range
| Item | Specification |
|---|---|
| Product Name | NR31 Dual Stage Regulator with Extended Diaphragm Valve |
| Brand | NAI-LOK |
| Type | Dual Stage Pressure Regulator |
| Material | Stainless Steel 316L |
| Inlet Connection | CGA/BS/DIN Cylinder Connector |
| Outlet Connection | 1/4" FNPT |
| Inlet Pressure Rating | Up to 3500 psi (240 bar) |
| Outlet Pressure Range | Configurable: 0–25 psi, 0–50 psi, 0-100 psi, 0-150 psi, 0-250 psi |
| Number of Ports | 5 ports |
| Relief Valve | Integrated, factory-set |
| Diaphragm Type | Extended diaphragm |
| Operating Temperature | -40°C to +74°C (-40°F to +165°F) |
| Leak Rate | ≤ 1 x 10⁻⁹ atm cc/sec He |
| Cv Value | 0.05 |
| Applications | High-pressure gas distribution, analytical instrumentation, laboratory gas supply, specialty gases |
