You must have an Endorsement A specified on your licence to operate a vehicle equipped with an air brake system. The endorsement is not required when operating a Class 3 or 5 vehicle licensed as a farm truck or trucks with air over hydraulic brakes.
Air Brake Quick Release Valve
Air valves play a vital role in controlling and regulating the flow and release of air throughout the air brake system. Whether it’s an air valve on
Quick Release Valve - QRL Style - DIRECT MOUNT
Safety valve - SGI
Air Quick Release Valves, 2. Air Valves
Foot valve - SGI
Bi-Stream Air Release Valve – AJA Marketplace
NPT Supply: 1/4. NPT Delivery (2): 3/8. NPT Balance: 1/4. Reference Numbers Bendix 109089 & 289714 Midland 289714X & KN-32041 Freightliner BW 289714
Quick Release Valve (QR-1C)
Dual-circuit system with spring parking brakes - SGI
FAW Jiefang Truck Spare Parts Weichai Yuchai Engine Parts /Cabin