Description
Spirax Sarco AE36 and AE36A automatic air vents for liquid systems are designed for hot- and cold-water equipment. The body and cover are made of 316L austenitic stainless steel. AE36 is the standard version, while AE36A includes a check valve.
Available Models
| Model | SKU |
|---|---|
| 1/2” AE30 | 170300 |
| 1/2” AE30A | 170400 |
Standards
This product complies with the European Pressure Equipment Directive 97/23/EC.
Certificates
An EN 10204 3.1 material certificate is available for this product. Note: Please specify the certificate requirement when placing the order.
Size and Pipe Connections
-
Inlet: ½” BSP or NPT female thread
-
Outlet: ¼” BSP or NPT male thread
Pressure/Temperature Limits
| Body design condition | Details |
|---|---|
| Body design condition | PN10 |
| PMA maximum allowable pressure | 10 bar g@150°C |
| TMA maximum allowable temperature | 150°C@10 bar g |
| Minimum allowable temperature | -10°C |
| PMO maximum operating pressure | 10 bar g@110°C |
| TMO maximum operating temperature | 110°C@10 bar g |
| Minimum operating temperature | -10°C |
| $\triangle PMX$ maximum differential pressure | 8 bar g |
| Maximum designed cold hydraulic test pressure | 15 bar g |
| Minimum liquid specific gravity | 0.926 |
Materials
| No. | Component | Material |
|---|---|---|
| 1 | Cover | Austenitic stainless steel 316L ASTM A351 CF3M |
| 2 | Cover O-ring | Green fluorocarbon rubber 75 |
| 3 | Body | Austenitic stainless steel 316L ASTM A351 CF3M |
| 4 | Float | Acetal co hostaform/stainless steel |
| 5 | Valve plug | EPDM |
| 6 | Valve seat | Stainless steel BS 970 431 S29 |
| 7 | Bracket/stem assembly | Stainless steel BS 1449 304 S11 |
| 8 | Screw | Stainless steel BS 4183 18/8 |
| 9 | Check valve ball (AE36A only, where applicable) | Stainless steel AISI 440 B |
| 10 | Spring retaining ring | Stainless steel BS 970 302 S25 |
Dimensions/Weight (Approximate)
| Model | Weight |
|---|---|
| AE36 | 0.7 |
| AE36A | 0.7 |
Notes
If you have an early AE36 series product, AE36CV, with an operating range of 3 - 8bar, spare parts for AE36A cannot be used. Earlier spare parts must be used instead.
Ordering Spare Parts
Order spare parts according to the relevant tables, specifying the size and model of the automatic air vent. Example: repair kit for a 1-1/2” Spirax Sarco AE36A automatic air vent.
Safety Information, Installation and Maintenance
For detailed information, refer to the installation and maintenance guide supplied with the product (IMP017-03). The automatic air vent must be installed vertically, with the inlet at the bottom. Connecting the outlet to a drain pipe is recommended.
Ordering Example
1 - Spirax Sarco ½” AE36A automatic air vent with check valve and BSP threaded connections.