Norgren R74G-6GT-RSN Excelon Regulator - Relieving
Part Number: R74G-6GT-RSN
Quick Summary
The R74G-6GT-RSN Excelon regulator delivers precise pressure control for compressed air systems used in automated manufacturing. Engineers often battle pressure drift in long runs or dead-ended lines, which causes tool variance and wasted energy. Certification details such as CE, SIL, or IP are not listed in the provided data, but the Excelon family is designed for robust industrial performance. This model supports in-line or modular installation and uses a relieving mechanism to manage downstream pressure, delivering reliability and reduced operating costs.
Product Information
Extended Description
R74G-6GT-RSN Norgren: Excelon design allows in-line or modular installation | Balanced valve design for optimum pressure control | Standard relieving models allow reduction of downstream pressure when the system is dead-ended | Adjustment by T-bar
Medium
Compressed air
Operating Temperature
-34 ... 80 °C, -29 ... 176 °F
Port Size
G3/4
Gauge Port
Rc1/8
Adjustment
T-bar
Maximum Inlet Pressure
20 bar
Outlet Pressure Adjustment
0.7 ... 17 bar, 10 ... 247 psi
Relieving / Non Relieving
Relieving
Flow
105 dm3/sec, 222 scfm
Materials - Adjusting Knob
Plated steel
Materials - Body
Diecast aluminium
Materials - Bonnet
Diecast aluminium
Materials - Elastomers
Nitrile rubber
Dimensions - Height
74 mm
Dimensions - Length
194 mm
Dimensions - Width
80 mm
Weight
0.78 kg
Country of Origin
Mexico
Range
R74G
Series
Excelon
Brand
IMI Norgren
4315-12
Quikmount pipe adapter
4316-52
Porting Block - Excelon 73/74 Series, Connection G1/4"
T74T-6GA-P1N
Excelon 3/2 modular system shut-off valve, G3/4
4324-50
'Universal' Bracket
4314-51
Quikclamp
4368-51
Neck Mounting Bracket
4314-52
Quikclamp with wall mounting bracket
4355-51
Tamper Resistant Cover and Wire
4348-89
Panel Mounting Nut
R74G-KITR
Service kit R74G
R84G-6GT-RSN
Excelon Plus general purpose pressure regulator, G3/4, 0.7-17 bar, without gauge
R84G-6GT-RSG
Excelon Plus general purpose pressure regulator, G3/4, 0.7-17 bar, integrated gauge
Feature → Business Impact → Application: Medium is compressed air, with a balanced valve design. This delivers stable regulation that reduces oscillations in pneumatic tooling, improving cycle consistency on automated assembly lines. Application: inline or modular installations in compact automation cells. Feature → Business Impact → Application: Adjustment by T-bar enables quick field setpoints from 0.7 to 17 bar, supporting rapid tuning for multiple tools without changing hardware. Application: configurable control panels and modular valve blocks. Feature → Business Impact → Application: Maximum inlet pressure of 20 bar and a 0.7–17 bar output range offer a wide operating envelope, enabling reliable operation across diversified lines and seasonal pressure variations. Application: high-flow control for 105 dm3/sec (222 scfm) demands. Feature → Business Impact → Application: Materials including die-cast aluminum bodies and nitrile elastomer seals provide durability in wash-down environments, reducing maintenance and replacement costs. Application: factory floors with routine cleaning. Feature → Business Impact → Application: Relieving function allows safe pressure reduction when the system is dead-ended, protecting downstream tooling and regulators. Application: critical in panels with long runs or shutdown sequences. Feature → Business Impact → Application: Gauge port Rc1/8 accommodates optional instrumentation for precise monitoring, while compatibility with Excelon 73/74 accessories supports quick installation enhancements. Application: reference designs and retrofits.
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FAQs
The R74G-6GT-RSN supports in-line or modular installation, with a G3/4 port and Rc1/8 gauge port for optional sensing. For retrofitability, use common Excelon mounting accessories such as the 4315-12 Quikmount pipe adapter or the 4324-50 Universal Bracket. Align the regulator with a clean, dry air supply, secure the mounting bracket, and connect ports per the system diagram to ensure a stable, leak-free installation.
Key specs include an outlet pressure range of 0.7 to 17 bar (10 to 247 psi) with a maximum inlet pressure of 20 bar. The unit handles a media of compressed air, operates from -34 to 80 °C, and delivers up to 105 dm3/sec (222 scfm) of flow, enabling consistent performance across typical industrial tooling and automation panels.
Yes. The R74G-6GT-RSN features a relieving design that reduces downstream pressure when the system is dead-ended, protecting downstream equipment and stabilizing the overall control loop. This is particularly advantageous in lines with long piping runs or intermittent load conditions, where pressure surges are common.
The model is specified as without gauge, but it includes a gauge port option Rc1/8 for monitoring when needed. If gauge capability is desired, select accessories such as a gauge kit or use the Rc1/8 port to install a suitable pressure gauge. This allows field verification of down-stream setpoints without altering the regulator body.
Maintenance benefits arise from its robust die-cast aluminum construction and nitrile elastomer seals, reducing leak likelihood and extending service intervals. ROI is enhanced by stable downstream pressure, which lowers tooling wear and rework, minimizes energy waste from fluctuating lines, and simplifies panel design with modular mounting options and readily available service kits like R74G-KITR.