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.
9160K-9162K SGI/CF8/CF8M – Avconcontrols
SGI – Vertex Safety
9160P-9162P SGI/CF8/CF8M – Avconcontrols
Spring-brake trailer system - SGI
Minsup® Shouldered Quick Release Coupling
SEALCO QUICK RELEASE VALVE - Air Brake Corporation Pty Ltd
in Valves.
One Bendix Style QR-1 Quick Release Valve Tractor Trailer Valve 229860
Industrial Valve - Kranti C.I Butterfly Valves SGI Iron Disc lever
Relay valve - SGI
SGI looking to help you avoid smelly problem - DiscoverHumboldt
One Bendix Style QR-1 Quick Release Valve Tractor Trailer Valve
Quick-release valve - SGI
QR-1C Everything you need to know!!
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)