Norgren S/666/116 Inline Valve - 3/2, G1/8, Spring Return
Part Number: S/666/116
Quick Summary
Inline Valve S/666/116 provides reliable, compact pneumatic control for automated machinery and production lines. Operators often face space constraints and downtime during valve replacement, and this unit's small footprint and robust Martonair heritage help streamline installation and service. The design typically supports CE compliance and industry-standard safety practices, with IP-rated protection in suitable configurations, and it can be integrated quickly in clean-air circuits. For field-ready setups, it works with standard Pneufit C push-in fittings and common 4 mm/6 mm tubing, enabling fast, secure connections. This combination delivers consistent performance in harsh environments while supporting scalable automation strategies and cost-effective maintenance.
Product Information
Extended Description
S/666/116 Norgren: Long established and well-proven valves | Compact size | May also be used as 2/2 valves
Medium
Compressed air
Operating Temperature
-20 ... 80 °C, -4 ... 176 °F
Operating Pressure
2 ... 10 bar, 29 ... 145 psi
Port Size
G1/8
Actuation
Antenna / Spring return
Function
NC
Valve operation
3/2
Dimensions - Height
19 mm
Dimensions - Length
75 mm
Dimensions - Width
34 mm
Weight
0.03 kg
Country of Origin
Czechia
Range
S/666
Series
Martonair
Brand
IMI Norgren
C02250418
Pneufit C Push-in fitting, Adaptor, Straight, External/Internal hex, 4mm, G1/8
C02470618
Pneufit C Push-in fitting, Adaptor, 90° Swivel elbow, 6mm, G1/8
T40C1800
Quietaire sintered bronze silencer, G1/8
PA2-0006100
Polyamide tube, Natural, 100m, 6mm/4mm
PA2-0006025C
Polyamide tube, Natural, 25m, 6mm/4mm
M/3314
Tube cutter
Feature: Compact 3/2 NC inline valve with G1/8 port size. Benefit: Saves valuable machine footprint and simplifies routing in tight control panels, improving overall line density and accessibility for routine maintenance. Application: Small- to mid-size automation cells and packaging lines where space is at a premium. Feature: Wide operating range (-20 to 80 C) and 2 to 10 bar operating pressure. Benefit: Ensures reliable performance across factory environments and enables seamless use with standard compressed air supplies. Application: Food & beverage, automotive assembly, and process lines requiring robust temperature tolerance. Feature: Antenna / Spring return actuation. Benefit: Flexible pilot actuation with a safe mechanical return, reducing risk during power loss and simplifying retrofits. Application: Manual pilot hand-off zones and pilot-controlled automation stages. Feature: Lightweight, compact dimensions (75 mm x 34 mm x 19 mm) and weight (0.03 kg). Benefit: Easier stacked valve arrays, reduced dynamic loads, and simpler retrofits on existing manifolds. Application: Multi-valve manifolds in compact control panels. Feature: Integrated compatibility with Pneufit C push-in fittings, silencers (T40C1800), and PA tubing (6 mm / 4 mm). Benefit: Faster installation, quieter operation, and reliable, tool-free tubing connections. Application: Factory automation lines, medical device assembly stations, and packaging equipment. Feature: Martonair series under IMI Norgren brand. Benefit: Motorsport-grade reliability and long-term availability, with proven aftermarket support. Application: High-demand production environments requiring durable, serviceable components.
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FAQs
Begin with system depressurization, then mount the valve on a suitable panel space. Attach Pneufit C push-in fittings C02250418 for 4 mm or 6 mm tubing, ensure proper seating of G1/8 ports, and connect the PA tubing (6/4 mm) as specified. Verify the 2–10 bar supply, check for leaks, and perform a functional test in 3/2 NC configuration.
The S/666/116 operates from -20 to 80 degrees Celsius and supports a compressed air pressure range of 2 to 10 bar (29 to 145 psi). This makes it suitable for typical factory environments while tolerating temperature fluctuations common in automated lines.
Yes. The valve is designed as a normally closed (NC) 3/2 inline valve, making it well-suited for packaging and assembly machinery where default off conditions prevent unintended actuation and where controlled exhausts maintain predictable cycle timing.
Designed to integrate with European automation standards, the valve is commonly used in CE-compliant systems and factory environments that rely on standard safety practices. For IP ratings and SIL suitability, consult the datasheet for your exact configuration, as protections can vary with enclosure and accessory options.
Its compact body and lightweight design simplify installation and replacement, reducing downtime during maintenance. Standardized fittings (Pneufit C) and silencers lower noise and leak potential, while the robust Martonair platform provides long-term reliability, resulting in lower total cost of ownership and improved line uptime.