Air Valve Switch Manual Hand Pull for Pneumatic Control. This unit is a 2position, 5port plate reversing valve designed for manual actuation via a pull mechanism. It handles 1/4 inch pipe connections and is available in models 4H21008, 4H31010 and 4H41015. The 4H31010 version ships with 4 mm fittings. One piece per package. Key benefits Simple manual operation without electrical power, enabling reliable control in confined or hazardous environments Clear 2 position, 5 port configuration to direct and reverse air flow for actuators Compact and robust design suitable for pneumatic control applications 4H31010 variant includes 4 mm fittings for easy integration with compatible piping Key attributes Actuation: manual pull Port size: 1/4 inch Positions: 2 Ports: 5 Plate reversing mechanism for straightforward actuation Variants: 4H21008, 4H31010, 4H41015 Fittings: 4 mm fittings included with 4H31010 variant Package: 1 piece Compatibility and installation Compatible with standard 1/4 inch pneumatic tubing and fittings 4H31010 version includes 4 mm fittings for convenient integration into compatible systems Suitable for installations requiring a simple manual control valve with rapid actuation Use cases Industrial automation: manually direct air to a double acting cylinder to control actuation sequence in a conveyor or fixture Maintenance and testing: use as a manual override or directional control in pneumatic test rigs and service bays Assembly line control: configure as a simple, nonelectrical valve to route air for tooling and clamping operations Note This description reflects the product family and the listed models and features. No additional alterations or omissions to the specified specifications are included.