- Suits the Silvan ProGrade 5L and 8L hand sprayers.
- Valve allows safe depressurising of tank for emptying.
- Safety blow-off allows air to exit tank once maximum pressure reached.
The Pressure Relief Valve is an integral part of the sprayer, allowing both the manual release of pressure for safe emptying and acting as a safety blow-off valve that will relieve excess pressure to prevent over pressurising.