Gauge Wall Assembly shall be manufactured with a 7-3/4" length type ?K? 1/2" outside diameter (3/8" nominal) size copper inlet pipe stub, which is silver brazed to the outlet body. The body shall be of 1-5/16" diameter, one piece brass construction. Gauge wall assembly with a secondary check valve and the secondary check valve shall be rated at a maximum of 200 psi in the event the gauge assembly is removed for maintenance. Outlet bodies shall be gas specific by indexing each gas service to a gas specific dual pin indexing arrangement on the respective identification module.
A large, color coded front plate shall be used for ease of gas identification and aesthetic appeal.
A one piece chromed fascia plate shall frame the outlet. With the back rough-in mounted the outlet shall adjust from 3/8" to 1" variation in wall thickness.
The gauge wall assemblies shall include a gas specific 1.6 mm steel mounting plate designed to permit onsite ganging of multiple outlets, in any order, on 5" spacing.
All gauge wall assemblies shall be cleaned and degreased for medical gas service, factory assembled and tested.