2 | Landscape & Turf Product Catalog NETAFIM USA TYPICAL LAYOUTS ON-SURFACE DESIGN For Use with Techline® Dripline On-Surface Designs (On Top of Soil, Covered with Mulch). Use one manual flush valve for every 15 GPM of zone flow. • Position as near as possible to the halfway point of the loop. • Install in an area where flushing about one gallon of water will not cause flooding. For Techline Copper, CV XR and CV, use a manual flush valve. For Techline DL, EZ and RW, use an automatic flush valve and an air/vacuum relief air vent. • Start rows of Techline 2” from hardscapes and 4” from softscapes. • Flow per zone not to exceed 5 GPM. For easy installation, use Netafim’s Low Volume Control Zone Kits which include a pre-assembled valve, filter and pressure regulator. MANUAL FLUSH VALVE Use one staple for: • Every 3’ of Techline in sand, every 4’ in loam and every 5’ in clay. • Use two staples over each tee, elbow or cross. • Recommend use of a U-shaped staple that is less likely to pinch the dripline. STAPLES TECHLINE OPTIONAL COMPONENTS LOW VOLUME CONTROL ZONE KIT Place before water meter. Automatic continuous acting mini air vent models available in ½” and ¾” sizes, up to 150 psi. CONTINUOUS ACTING AIR VENT MASTER VALVE Water Meter used to measure water usage for irrigation system. Plastic version available in ¾” and 1” sizes. Metal version available in ¾” to 6” sizes. WATER METER Water Flow Flag raises to indicate system is operating. • Flag position down: closed • Flag position halfway: 7 psi • Flag position upright: 10 psi or higher • Use Mister Indicator with Techline CV and HCVXR applications OPERATION FLAG
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