The Armstrong 11-AV R3/4"-1/2" stainless steel vent, also designated as catalogue title 11AV2002 (valve #38), is engineered for reliable industrial venting applications. It features a conical socket thread BSPT with a 3/4" entry utilizing a 2-flat wrench size of 32, and a 1/2" outlet utilizing a 2-flat wrench size of 26. Built for durability, the body and cover are constructed from 304L stainless steel, the valve and seat use 17-4PH stainless steel, the lever system consists of stainless steel 303/304, and the float is made of 304 stainless steel. This unit operates with a maximum allowable differential pressure of 18 bar, alongside a PMA of 34 bar at 38°C or 30 bar at 260°C.
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| Manufacturer | Armstrong |
|---|---|
| Country | |
| Part number | 11AV2002 / 11-AV R3/4"-1/2" |
| Inner Code | 1293488 |
| Custom Code | 8481 8099 |
| Product type | Stainless steel vent |
|---|---|
| Catalogue title | 11AV2002 / 11-AV R3/4"-1/2" Stainless steel vent |
| Valve number | #38 |
| Connection type | Conical socket thread BSPT |
| Entry | 3/4" (2-flat wrench size 32) |
| Outlet | 1/2" (2-flat wrench size 26) |
| Body and cover material | Stainless steel 304L |
| Valve and seat material | 17-4PH stainless steel |
| Lever system material | Stainless steel 303/304 |
| Float material | 304 stainless steel |
| Max. allowable differential pressure | 18 bar |
| PMA | 34 bar @ 38°C / 30 bar @ 260°C |