ROSS Pneumatrol provides engineered pneumatic solutions for use within hazardous and non-hazardous environments.
About Namur Mounted Valves
ROSS Pneumatrol is aware of how crucial it is to follow the most stringent clearance procedures in order to deliver goods that satisfy the highest standards for quality and safety.

We adhere to standards that regulate our production practices and concepts in order for our products to be used globally. ROSS Pneumatrol’s quality management system includes ISO9001 accreditation. For ongoing process and product improvement, our quality team works hard to make sure all of our procedures are tracked and documentation is maintained.
Different regionally certified goods are needed in many of the regions where we operate in order to maintain workplace safety regulations. This indicates that our products both meet and surpass many approvals. ATEX, IECEx, CCCEx, FM, and SIL certifications are among the endorsements we own for plenty of our products.
Descriptions of ROSS Pneumatrol 1/4″, BSP/NPT, Namur Mount, 3/2 or 5/2, Internal Pilot, Single Solenoid
- Solenoid valve designed for direct mounting onto 1/4 turn pneumatically operated valve actuators meeting ‘NAMUR’ standard fixing dimensions.
- Value-engineered for single-operator, safe area applications.
- The valve is illustrated with a safe area plug & socket coil.
- Body material: Aluminium, Stainless Steel or Brass
- Compatible with all safe area solenoids
Features of 1/4″, BSP/NPT, Namur Mount, 3/2 or 5/2, Internal Pilot, Single Solenoid
- Top-face air connection
- 1/4? BSP mains air connection and exhaust ports
- Screwdriver override as standard
- Integrated Exhaust to Spring (ETS) feature in 3/2 position
- Cv = 1.0
- Built-in 3/2 to 5/2 function conversion facility for spring return and double-acting actuators respectively
Conversion Facility of 1/4″, BSP/NPT, Namur Mount, 3/2 or 5/2, Internal Pilot, Single Solenoid
- The valve is fitted with a change-over plate that allows the valve to be converted from 3/2 to 5/2 function quickly and easily.
- In 3/2 function a proportion of clean air exhausting from the actuator is fed back into the spring chamber.
Material Specifications of 1/4″, BSP/NPT, Namur Mount, 3/2 or 5/2, Internal Pilot, Single Solenoid
STANDARD | |
Body | Black Anodised Aluminium (Dural) |
Spool | Hard Anodised Aluminium PTFE Impregnated |
Spacers | Glass Filled Acetal |
Seals | Nitrile |
Spring | Music Wire |
Mounting Screws | Stainless Steel |
Change Over Plate | Nylon 66 30% Glass Filled |
Gasket | Nitrile |
Valve Specifications of 1/4″, BSP/NPT, Namur Mount, 3/2 or 5/2, Internal Pilot, Single Solenoid
Standard | |
Port Connection Size | ¼” BSP |
Working Pressure | 3 to 10 bar |
Cv Factor | 1.0 |
Flow Rate (at 6 bar with 1 bar pressure drop) | 1000 l/min |
Maximum Ambient Temperature | +80°C |
Minimum Working Temperature | -20°C |
Souce: https://www.pneumatrol.com
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