Dust caps are one-piece blind nuts used to protect threads and keep contamination from cylinder valves. CGA thread specifications are used, but they do not make a gas tight seal.
| Items |
 CC-8021 Dust & Chain Assembly (Non-Gas Tight) for Fuel Gas |
 CC-8020 Dust & Chain Assembly (Non-Gas Tight) for Oxygen |
 CC-8034 Dust & Chain Assembly (Non-Gas Tight) for Oxygen |
 CC-8035 Dust & Chain Assembly (Non-Gas Tight) for Fuel Gas |
 CC-8300 Dust & Chain Assembly (Non-Gas Tight) for Ethyl Chloride Acetylene |
|||||
| CGA Standard | 021 | 022 | 024 | 025 | 300 | |||||
| Application | Fuel Gas | Oxygen | Oxygen | Fuel Gas | Ethyl Chloride Acetylene | |||||
| Material | Brass | |||||||||
| Connection | "B" 9/16"-18-LH-INT | "B" 9/16"-18-RH-INT | "C" 7/8"-14-RH-INT | "C" 7/8"-14-LH-INT | .830"-14NGO-RH-INT | |||||
| Part | Cap Chain | |||||||||
|
|
||||||||||
