Martonair S/521 A NON-Return Valve
Non-Return Valve
Martonair heavy-duty brass non-return valve with G1/4 connection, designed for reliable backflow prevention in pneumatic systems.Martonair / IMI Norgren S/521A Heavy Duty Non-Return Valve
A robust heavy-duty non-return valve engineered by Martonair / IMI Norgren to ensure reliable one-way flow control in pneumatic systems. Designed for use with compressed air, this valve prevents backflow, protects downstream components, and maintains stable system pressure in demanding industrial environments. Manufacturer: Martonair / IMI Norgren
Type: Heavy Duty Non-Return Valve
Model: S/521A
Recommendation:
This heavy-duty non-return valve is ideal for protecting pneumatic circuits and maintaining unidirectional airflow in industrial automation systems. For optimal system reliability and extended component life, it is recommended to combine this valve with high-quality Pneumatic Filters, compatible Sensors, and other Pneumatic Components available from Platinum International.
| Medium | Compressed Air, Filtered, Lubricated or Non-Lubricated |
| Operating Temperature | -20 to +80 °C |
| Operating Pressure | 0.3 to 16 bar |
| External Hex | 19 mm |
| Shape | Straight |
| Body Material | Brass |
| Seal Material | Nitrile Rubber (NBR) |
| Height | 19 mm |
| Length | 19 mm |
| Width | 48 mm |
| Connection | G 1/4 |













