Type 987 is a manually operated valve. This valve with non rising handwheel has a robust design which allows higher temperatures applications. It eliminates water hammer and allows the flow in both direction. This valve is complete with position indicator. It is unaffected by any contaminated media. It is a maintenance-free non-corrosive actuator. The working temperature is at maximum of 95°C or 200°F depending on diaphragm and body material.