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| Customization: | Available |
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| Media: | Gas |
| Certification: | CE |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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NAILOK NR31 Series Dual Stage Precision Pressure Regulator
Professional-Grade Pressure Regulation Solution
The NAILOK NR31 series pressure regulator delivers reliable performance for industrial gas control applications. Engineered with a robust single-stage pressure-reducing structure, this regulator ensures precise pressure management across various operating conditions.
Key Features:
For purity,inert,reactive,flammable and oxidizing gas and gas mixtures.
Laboratory pressure control, Accept custom regulator panel
Single-stage pressure reduction technology
1/4"NPT(F) female body thread for standard connections
150% maximum rated design proof pressure (safety assured)
Compact design with Cv=0.6 flow capacity
Bubble-tight internal sealing performance
Ultra-low external leakage (≤2×10 atm cc/sec He)
| Ports | 1/4"NPT | |||||||||
| Dasign Poof Presure | 150%maximum rated pressure | |||||||||
| Body Material | 316 Stainlessstee/Chrome plated brass | |||||||||
| Bonnet Material | Stainless steel/Brass | |||||||||
| Diaphragm | 316 Stainles steel (standard) | |||||||||
| Seat | PFA | |||||||||
| Maximum Inlet Pressure | 3500 pslg(241 bar) | |||||||||
| Outlet Pressure Ranges | 0-25 psig(0-1.7 bary0-50psig(0-3.4 bary/0-100 psig(0-6.9 bary/0-250psig(0-17.2bar) | |||||||||
| OperatingTemperature | -40°F to 165°F(-40°ºCto 74°ºC) | |||||||||
| Leakage | Internal:Bubble-tight External:Design to meet<2×10-atm c/secHe | |||||||||
| Flow Capacity | Cv=0.05 | |||||||||
| Standard Optional | CGA,Inlet and outlet gauges,reliefvalve | |||||||||
| NR31 | S | 0 | F | 4 | 4 | W | |||||||
| Basic Series |
Body Material |
Outlet Pressure Ranges |
Inlet And Outlet Port Type |
InletAnd Outlet Port Size |
Inlet Pressure |
Port Type |
Gauge | Option 1 | Option 2 | ||||
| NR31 | C-Chrome plated brass S-316 Stainless steel |
0-0-25psig 0-1.7bar 1-0-50psig 0-3.4bar 2-0-100psig 0-6.9bar 3-0-150psig 0-10.3bar 4-0-250psig 0-17.2bar |
F-NPTF | 4-1/4° | 1-3500psi 241ba |
4-4 Ports 5-5 Ports |
0-Without W-With |
R-Relief valve (5 ports only |
P-Panel nut ) |
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Typical Applications:
• Industrial gas distribution systems
• Laboratory gas control equipment
• Process instrumentation
• Petrochemical applications
• High-pressure testing systems
Quality Assurance:
All NR11 series regulators undergo rigorous testing to ensure compliance with industry standards and performance requirements. The 150% proof pressure design provides an additional safety margin for demanding applications.
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