HMP’s safety and control valves are designed to withstand variable upstream pressures and uncertain downstream conditions. HMP have taken a step towards expanding their market with an adjustable Line fluid actuation (water hydraulic) solution which can be manually adjusted and set on site.
The addition of an adjustable component requires proportional flow to take place in the control chamber from time to time. This results in a higher volume of flow passing through the control chamber when compared to HMP’s fixed ratio option which requires an extremely low volume of water to control.
From a maintenance perspective, HMP have included an easily maintainable strainer, large porting and a direct mount arrangement to reduce the risk of hydraulic locking due to blockages from in-line debris. To further increase reliability, HMP have incorporated a static sense line which controls the actuators reaction point.
Larger porting ensures that small particles entering the control system have no effect on the functionality as they can simply pass through the system.
Direct mounting onto the control chamber removes the risk of blockages or breakages in control tubing. This method also allows for far larger orifices and therefore improved reliability.
