MS4 LFR 1/4 D7 ERM filter control valve, size 4, MS series. Product 529156. - What it is: A compact valve that combines filtration and pressure control for compressed air in MS series filter regulator units. - Key benefits: Delivers clean, regulated air at remote control points; vertical installation supports easy access and servicing; 1/4 in port size fits standard piping and simplifies retrofit. - Compatibility and size: Designed for MS series filter regulator units; port size 1/4 in; size 4 footprint for space efficiency. - Function and performance: Provides reliable downstream pressure control and consistent air quality within a single assembly. - Use scenarios: - Remote control station on a manufacturing line to regulate air for actuators. - Central plant feeding multiple FRUs to maintain stable tool performance. - Automated painting or packaging lines requiring steady, filtered air. - Specifications: Product number 529156. Materials not specified by the supplier.