Based on the simple movement of a piston non-return valves or one way valves are designed to allow water to flow in one direction only to avoid loss of water, prevent backflow and ensure pipelines do not drain. The non-return valve is designed to keep pumps primed.
Philmac Non-Return Valves have been designed to work in either a vertical (with water moving in an upwards direction) or horizontal position for flexible installation.
The Philmac valves are rated to a pressure of 1400 kPa (200 psi) (static shutoff) at 200°C to meet the requirements of high pressure systems.
APPLICATIONS:
Agriculture: On elevated pipelines
Irrigation: On rising mainlines