121S - Automatic High Capacity Air Vent MINIVAL SOLAR with Stopvalve
Structural Pressure 10 bar ( 145 psi)
Working Pressure 6 bar (87 psi)
Temperature Rating max. 150°C (302°F) water (no steam)
Brass Body and Cap
Fluid: water and water/glycol mixtures (30%).
Description
![]() |
1 Cu Zn 40 Pb 2 - DIN EN 12165 |
| 2 TPX | |
| 3 Questra | |
| 4 Stainless Steel AISI 302 |
|
| 5 EPDM 60 Shore | |
| 6 EPDM 70 Shore | |
| 7 Questra | |
| 8 Cu Zn 40 Pb 2 - DIN EN 12165 | |
| 9 Cu Zn 39 Pb 3 - DIN EN 12164 |
|
Dimensions in mm
|
Stop Valve for MINIVAL SOLAR Figure 111HT
Brass
High Temperature Plastic Insert for 3/8” and 3/8” x 1/2”
Brass Inserts for 1/2” x 1/2”
With O-Ring at the connection with the air vent except for 11164HT
| 111HT | Size |
|---|---|
| 11153HT | 3/8“ x 3/8” |
| 11155HT | 3/8“ x 1/2“ |
| 11164HT | 1/2“ x 1/2“ |








