Description
Spirax Sarco AE14 ductile iron automatic air vent is a float-type air vent for liquid systems. The body and cover are made of ductile iron, and the complete unit is easy to maintain. Standard AE14 models feature a fluorocarbon valve cone. AE14SV and AE14ESV models are also available with an integral isolation valve fitted at the inlet connection.
Available Models
| Model | SKU |
|---|---|
| 1/2” AE14 | 1490600 |
| 3/4” AE14 | 1490700 |
| 1/2” AE14E | 1490000 |
| 3/4” AE14E | 1490100 |
Model Options
| AE14 | Fluorocarbon valve cone (standard model) |
|---|---|
| AE14E | EPDM valve cone |
| AE14S | Stainless steel valve cone |
| AE14SV | Fluorocarbon valve cone and isolation valve |
| AE14ESV | EPDM valve cone and isolation valve |
Standards and Certification
This product complies with the European Pressure Equipment Directive 97/23/EC, and a nameplate can be supplied on request. An EN 10204 2.2 certificate is available. Note: certificate requirements must be specified when ordering.
Sizes and Pipe Connections
½”, ¾” BSP or NPT threaded connections.
Pressure/Temperature Limits
| Valve design conditions | PN16 | |
|---|---|---|
| PMA - maximum allowable pressure | 16bar g@110 ℃ | |
| TMA - maximum allowable temperature | 250 ℃ @13.6bar g | |
| Minimum allowable temperature | 0 ℃ | |
| PMO - maximum operating pressure | 16bar g | |
| TMO - maximum operating temperature | AE14E and AE14ESV | 127 ℃ @15.5 bar g |
| AE14 and AE14SV | 200 ℃ @14.5 bar g | |
| AE14S | 250 ℃ @13.6 bar g | |
| Minimum operating temperature | 0 ℃ | |
| △ PMX - maximum differential pressure | 14 bar g | |
| Maximum designed cold hydraulic test pressure | 24 bar g | |
| Minimum liquid specific gravity | 0.6 |
Materials
| Item | Component | Material |
|---|---|---|
| 1 | Body | Ductile iron DIN 1693 GGG 40 |
| 2 | Cover bolts | Steel BS 3692 Gr. 8.8 |
| 3 | Cover gasket | Reinforced exfoliated graphite |
| 4 | Cover | Ductile iron DIN 1693 GGG 40 |
| 5 | Main valve seat | Stainless steel BS 970 431 S29 |
| 6 | Main valve seat gasket | Stainless steel BS 1449 304 S11 |
| 7 | Main valve assembly bolts | Stainless steel BS 6105 Cl A2-70 |
| 8 | Float and lever | Stainless steel BS 1449 304 S16 |
| 9 | Valve cone | AE14, AE14SV: fluorocarbon; AE14E, AE14ESV: EPDM WRc 9205519; AE14S: stainless steel AISI 440B |
| 10 | Lever bracket | Stainless steel BS 1449 304 S16 |
| 11 | Pin | Stainless steel |
| *12 | Isolation valve bonnet | Brass BS 2874 CZ 121 3Pb |
| *13 | Isolation valve stem | Brass BS 2874 CZ 121 3Pb |
| *14 | Isolation valve cone | Brass BS 2874 CZ 121 3Pb |
| *15 | ‘O’ ring | Synthetic rubber, fluorocarbon |
| *16 | Isolation valve gasket | Copper BS 2870 C 101 |
Weight
| Model | Size | Weight |
|---|---|---|
| AE14, AE14E, AE14S | ½”, ¾” | 2.5kg |
| AE14ESV, AE14SV | ½”, ¾” | 2.7kg |
Safety Information, Installation and Maintenance
For detailed information, refer to the installation and maintenance instructions supplied with the product (IM-P149-06).
Disposal
This product is recyclable. Proper disposal will not cause environmental problems.
Ordering
Example: 1 - Spirax Sarco ½” BSP threaded AE14 automatic air vent, ductile iron body, fluorocarbon valve cone.