1/2" Female Safety Relief Valve
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Application
The Diaphragm-type Safety Valve protects the downstream cylinder, pressure vessel etc. by automatically opening when excess pressure occurs.
The following are some typical applications:
• Central hot water supply systems
• Hot water storage units
In accordance with statutory requirements, the diaphragm safety valve is preset to the required fixed set pressure by the manufacturer. Subsequent alteration of the setting is not permitted. The preset pressure is embossed on the cap.
Features
- Easy venting
- Replacement insert makes servicing simple
- Standardised discharge connectionl
- Reliable and proven
- Anti tamper head
Material
- Brass housing
- High grade synthetic material screw-in section
- Spring steel adjustment spring
- High grade synthetic material venting knob
- Hot water resistant elastomer seal disc
- Hot water resistant elastomer diaphragm
Specification
- Opening pressure : 6 bar
- Working water temperature : 100°C
- Connection size: 1/2"
- Medium: water
Installation
Safety valve must be installed in the cold water supply pipework before the water heater.
| Code | Connections | Finishing |  |
 |
| 9303 | 1/2" F x 1/2" F |
Knob: Plastic Housing: Brass |
1 | 20 |
Dimensions (mm)
Maintenance
If a malfunction occurs,this may be cured by repeated manual opening and closing of the valve. If this method does not succeed, then an overhaul of the valve will be necessary.
