Norgren RM1H-NND-NFV Regulator - Cartridge manifold-ready
Part Number: RM1H-NND-NFV
Quick Summary
Norgren RM1H-NND-NFV Regulator provides precise, high-flow control for compact air and gas systems. Many engineers face space constraints and fluctuating pressure in miniature regulators; this model addresses both with a cartridge design. Suitable for oxygen service and medical applications, the RM1H-NND-NFV is built for reliable performance in regulated environments. Leveraging PPS bodies, PPS bonnet, and FPM elastomers, it delivers stable regulation while enabling easy manifold integration.
Product Information
Extended Description
RM1H-NND-NFV Norgren: Suitable for oxygen service, in medical applications | Excellent flow, pressure drop and hysteresis | Cartridge design for manifold integration
Medium
Compressed air, Gases
Operating Temperature
-5 ... 95 °C, 23 ... 203 °F
Port Size
Cartridge
Adjustment
Adjusting screw
Maximum Inlet Pressure
10 bar
Outlet Pressure Adjustment
0 ... 4 bar, 0 ... 60 psi
Relieving / Non Relieving
Non-relieving
Flow
8.3 dm3/sec, 17.6 scfm
Materials - Body
PPS
Materials - Bonnet
PPS
Materials - Elastomers
FPM
Range
RM1
Brand
IMI Norgren
Feature: High flow 8.3 dm3/s (17.6 scfm) and non-relieving operation. Benefits: Supports demanding downstream loads with stable pressure and safety by preventing unintended relief, improving cycle times in automated lines. Application: Medical devices and industrial gas lines requiring consistent throughput without pressure drift. Feature: Cartridge design for manifold integration. Benefits: Reduces assembly steps, minimizes leak paths, and enables compact, scalable layouts. Application: Multi-station manifolds and modular automation where space is at a premium. Feature: PPS body and bonnet with FPM elastomers. Benefits: Excellent chemical resistance and a broad operating temperature range (-5 to 95 °C), extending service life in harsh environments. Application: Regulated lines for compressed air, gases, and oxygen service in plant floors and clean rooms. Feature: Adjustable outlet pressure 0 … 4 bar (0 … 60 psi). Benefits: Precise regulation supports tight process tolerances and repeatable performance. Application: Fine-tuned gas and air delivery in instrumentation and automation projects. Feature: Maximum inlet pressure 10 bar and flow specification 8.3 dm3/sec. Benefits: Wide operating envelope accommodates different supply conditions without redesign. Application: Retrofit projects and scalable systems where supply variations occur. Feature: Non-relieving operation. Benefits: Maintains downstream setpoints and enhances safety by avoiding unintended venting. Application: Critical control loops in diagnostics and analytical equipment. Industry context and compatibility: This regulator aligns with common IMI Norgren standards, supports cartridge-based installation, and integrates with existing pneumatic manifolds. Potential objections about complex installation are mitigated by the cartridge approach and standardized PPS components, which reduce maintenance intervals and spare-part counts. The result is lower total cost of ownership and improved uptime for medical, packaging, or manufacturing lines.
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FAQs
The RM1H-NND-NFV uses a cartridge design intended for easy manifold integration. Start by confirming cartridge ports match your manifold, secure with appropriate fittings, and set the outlet pressure via the adjusting screw. Ensure the upstream supply is within the 10 bar maximum and the environment is within -5 to 95 °C. Check for leaks after assembly and verify the non-relieving operation to prevent unintended venting in the line.
Key specs include a maximum inlet pressure of 10 bar, outlet pressure adjustable from 0 to 4 bar (0 to 60 psi), and a flow rate of 8.3 dm3/sec (17.6 scfm). The operating temperature range is -5 to 95 °C. The body and bonnet are PPS with FPM elastomer seals, and the unit is designed for compressed air and other gases with a non-relieving regulation scheme.
The RM1H-NND-NFV is described as suitable for oxygen service and medical applications in its extended description. Users should verify regulatory approvals and certifications with their QA team and ensure compatibility with all applicable medical device standards before deployment in regulated environments.
Non-relieving regulators, like RM1H-NND-NFV, maintain downstream pressure when the source changes, minimizing venting and ensuring stable setpoints. Relieving regulators vent excess pressure to atmosphere. For critical process lines and closed-loop systems, a non-relieving design reduces variability and potential contamination risks.
Maintenance focuses on verifying pressure setpoints with the adjusting screw, inspecting PPS components for wear, and checking elastomer seals (FPM) for signs of aging. Regular leak testing and calibration against a known reference help sustain accuracy. Since the design supports cartridge integration, field maintenance can often be performed by exchanging cartridge modules rather than complete regulators.