Norgren S/667/40 Inline Valves - 3/2 NO, G1/8
Part Number: S/667/40
Quick Summary
S/667/40 Inline Valve by Norgren is a compact NO 3/2 valve for pneumatic control in automation lines. Its small footprint helps designers meet tight panel space and simplify integration, reducing conduit and leak paths. Certification details are not specified in the provided data; please consult the datasheet for CE, SIL, or IP ratings as applicable. By combining air-pilot with a spring return and a robust Martonair lineage, this valve delivers reliable cycling, fast actuation, and consistent performance. In addition to compact hardware, it supports standard fittings and accessories, helping shorten installation time and improve overall system ROI. This makes it a practical choice for OEMs and maintenance teams seeking dependable pneumatic control with straightforward compatibility.
Product Information
Extended Description
S/667/40 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
Air pilot / Spring return
Function
NO
Valve operation
3/2
Dimensions - Height
19 mm
Dimensions - Length
75 mm
Dimensions - Width
34 mm
Weight
0.14 kg
Country of Origin
Czechia
Range
S/666
Series
Martonair
Brand
IMI Norgren
C02250618
Pneufit C Push-in fitting, Adaptor, Straight, External/Internal hex, 6mm, 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
The S/667/40 delivers a compact 75 mm length, 34 mm width, and 19 mm height with a weight of 0.14 kg, enabling space-efficient installation in dense control panels while maintaining facile serviceability. This feature translates into tangible business impact by reducing enclosure size, lowering material costs, and enabling faster changeovers in high-mymbol environments such as packaging lines and automated handling. With a G1/8 port and operating pressure from 2 to 10 bar, the valve offers broad compatibility across common pneumatic circuits and standard fittings, minimizing reworks and ensuring reliable seating and seal performance in demanding environments. The air-pilot / spring-return actuation provides flexible control logic and fail-safe behavior, supporting both remote actuation and compact local panels, which reduces wiring complexity and improves response times in robotics applications. The 3/2 valve configuration with NO output supports typical automation needs while enabling straightforward integration with existing air logic and pilot circuits, helping to optimize cycle rates and reduce air consumption through precise pilot modulation. The option to use this unit as a 2/2 valve in specific logic configurations adds installation versatility and cost efficiency, particularly in small-scale machines and auxiliary control loops. Compatibility with Pneufit C push-in fittings (C02250618, C02470618), silencers (T40C1800), and PA2 polyamide tubing (PA2-0006100, PA2-0006025C) simplifies procurement, assembly, and maintenance while delivering cleaner, quieter operation. The Martonair series heritage and Czechia origin reinforce a robust manufacturing approach with proven reliability across serial batches, allowing users to expect consistent performance and long service life in harsh plant environments. Overall, the S/667/40 aligns with long-term maintenance strategies, offering straightforward replacement parts, predictable wear characteristics, and a lower total cost of ownership in automated pneumatic systems.
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FAQs
The valve supports Pneufit C push-in fittings, specifically C02250618 and C02470618, for straightforward assembly. It also uses standard G1/8 ports, and is compatible with T40C1800 silencers and PA tubing (PA2-0006100 and PA2-0006025C) to simplify installation and noise reduction.
Yes. The S/667/40 can be utilized as a 2/2 valve in appropriate wiring and control schemes, providing flexibility for compact designs where a two-way actuationpath is sufficient.
The valve operates from -20 to 80 °C and supports pressures from 2 to 10 bar (29 to 145 psi), making it suitable for typical industrial compressed air environments and a range of process conditions.
Recommended accessories include Pneufit C push-in fittings (C02250618, C02470618), T40C1800 silencers, and PA tubing (PA2-0006100, PA2-0006025C). These parts improve reliability, reduce noise, and simplify field installations in compact manifolds.
The product is listed under the Norgren Martonair range with a Czechia origin, reflecting the global manufacturing footprint and standardized quality associated with this line.