When the line pressure rises above a preset point, the Eliptix W-30 S Pressure Sustaining Valve opens to relieve the excess pressure downstream. When the line pressure drops, the Eliptix W-30 S valve closes.

Eliptix W-30 S Pressure Sustaining Valve is used to maintain a minimum upstream pressure.

Rugged, high-quality construction meets applicable engineering standards
Long service life and low maintenance
Unique technology, innovative design, and performance
Free and unobstructed liquid flow with minimal head loss
Designed to reduce cavitation
The elliptic diaphragm reacts faster with less movement
A small control chamber enables a quicker response