Hand Valve Semi Truck

DPM21A Hand Valve Semi Truck belongs to HAND BRAKE VALVE.

The DPM21A manual brake valve integrates service, parking, and exhaust brake controls through an ergonomic single-lever design, enhancing safety while reducing driver workload in heavy commercial vehicles.

Constructed from aircraft-grade aluminum, the valve body houses precision-machined air passages that independently regulate three circuits: spring brake chamber pressure, service brake application, and exhaust brake activation. The progressive detent mechanism provides tactile feedback through four distinct positions - from gentle exhaust braking to full parking brake engagement. Its dual-diaphragm design ensures fail-safe operation, defaulting to park brake application if air pressure drops below 4 bar.

The DPM21A's intelligent flow control:

·Limits parking brake release speed to prevent driveline shock

·Sequences exhaust brake engagement for smooth deceleration

·Maintains 0.5 bar residual pressure in service brakes during parking

Maintenance requires:

·Annual lubrication of pivot points

·Biennial diaphragm replacement

·500-hour operational tests

Fleet operators report 30% reduction in brake-related incidents when using this consolidated control system, particularly in mountainous regions where coordinated braking is essential. The valve's color-coded ports and ISO 7638 connectors simplify installation and service.

DPM21A Hand Valve Semi Truck belongs to AIR BRAKE SYSTEM. The DPM21A manual control valve is a heavy-duty component for European truck air brake systems, featuring standardized M16×1.5 threaded connections throughout. This robust valve ensures precise control of parking, service, and exhaust brake functions in demanding commercial transport operations.

Q: Has the factory passed the relevant quality certification?

A: Yes, we have ISO 9000 certificate of conformity of quality managemen system certification, SGS gold plus supplier assessment certificate and some utility model patent certificates.

Q: Wonder if you accept small orders?

A: Do not worry. Feel free to contact us. You can contact our customer service for specific details.

Q: How to place an order and make payment?

A: You can place orders through various payment methods such as online platforms or bank transfers.

Q: Do you provide customized services for accessories?

A: Yes, we provide customized accessory services to meet customers' special needs. Please contact customer service for more details.