The Air/Vacuum Relief Valve (AVR) is designed to reliably discharge air during system start-up and allow air into the line during shutdown. The valve closes even with low water pressure and reduces water hammer. It is good practice to use an AVR for all …

Drip zones need regulation because the working pressure of a drip zone is lower than any other type of system. Hunter offers two options for pressure regulation - a 25 psi(1.7 bars/170 kPa) and a 40 psi(2.8 bars/280 kPa) version. The 25 psi version is …

This chart can help determine the spacing you need for your soil type.   SOIL TYPE SAND LOAM CLAY Emitter Distribution - Illustration of how the water is distributed in different soils. Saturation Rate in/hr .75 - 1.25 .25 - .75 .15 - .25 mm/hr 19 - 32  6 …

Yes, Hunter tubing is 17mm in diameter and therefore our fittings are compatible with all other manufacturer's 17mm tubing.       … Will Hunter PLD fittings work with other manufacturer's drip …