Description
Spirax Sarco AE36 and AE36A automatic air vent valves are designed for hot- and cold-water systems. Valve body and cover are manufactured from 316L austenitic stainless steel. AE36 is the standard version, while AE36A includes a check valve.
Standards
This product complies with European Pressure Equipment Directive 97/23/EC.
Certificates
An EN 10204 3.1 material certificate is available. Note: Please specify the certificate requirement when ordering.
Size and Pipe Connections
Inlet: ½” BSP or NPT female thread; outlet: ¼” BSP or NPT male thread.
Pressure/Temperature Limits
| Valve 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 |
| Maximum differential pressure | 8 bar g |
| Maximum design cold hydraulic test pressure | 15 bar g |
| Minimum liquid specific gravity | 0.926 |
Materials
| Item | Component | Material |
|---|---|---|
| 1 | Cover | 316L austenitic stainless steel ASTM A351 CF3M |
| 2 | Cover O-ring | Green fluorocarbon rubber 75 |
| 3 | Body | 316L austenitic stainless steel 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) | Stainless steel AISI 440 B |
| 10 | Spring retaining ring | Stainless steel BS 970 302 S25 |
Free Discharge Capacity at 16°C Air
[Related data table; add actual data as available]
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.
Weight
| Model | Weight |
|---|---|
| AE36 | 0.7kg |
| AE36A | 0.7kg |
Safety Information, Installation and Maintenance
For detailed information, refer to the installation and maintenance guide supplied with the product (IMP017-03).
Installation
Install the automatic air vent vertically, with the inlet positioned at the bottom. Connecting the outlet to a drain pipe is recommended.
Ordering
Example: 1 - Spirax Sarco ½” AE36A automatic air vent valve with check valve and BSP threaded connections.