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Data Sheet Anti-Drip Spray Nozzles Type 4023 Application Many nozzles are satisfactory for spraying liquids, but for a positive cut-off ask for the Hago type 4023 nozzle. Our exclusive design produces a precisely controlled flow rate and spray angle and includes a liquid cut-off near the orifice. Fluid cut-off near the orifice can be very important in situations where excessive after drip can damage or destroy things located beneath the nozzle. Chemicals, insecticides, and even plain water, if allowed to drip, can foul the environment or injure livestock, seedlings and industrial materials. With the type 4023 anti-drip nozzles, operators can achieve fluid cut-off near the orifice while maintaining pressure within the nozzle supply system. The type 4023 nozzle emits a finely atomized spray mist suitable for nearly all humidifying, light wetting and evaporative cooling application. This nozzle has become a nozzle of choice for the insect spray system industry. Application and Features ▪ Insect control. ▪ Odor control chemicals. ▪ Green houses. ▪ Agriculture, farms, livestock, barns. ▪ Environmentally hazardous chemicals. ▪ Reduces undesirable nozzle after-drip. ▪ Field proven performance for over 40 years. ▪ Accurate, flow rate and spray angle. ▪ Produces a finely atomized mist. Availability ▪ Standard flow rate: 0.75 GPH at 160 psi (11bar), water. ▪ Spray angle: 70 Degrees at 160 psi, water. ▪ Spray pattern: Semi solid cone. Accessories Standard adapters: ▪ Brass 1/8” or 1/4”. ▪ Nickel plated brass 1/8” or 1/4”. Stamped on the flats: 4023 Anti-Drip spray nozzle HP High Pressure NST Nickel Silver Tip Batch code Cut off valve The cut off valve has a closing pressure between 40-70 psi (~3 to 5 bar) Filtration 30-40 μm sintered bronze filter Recommended tightening torque 130 to 180 in-lbs (15 to 20 Nm). Maximum tightening torque 180 in-lbs (20 Nm). Identification The nozzles are marked with the following information: 4023 HP NST Technical Data Material and construction Our nozzle tip in nickel silver tip and brass disc is our most popular and corrosion resistant offering for water applications. Nickel Silver is a trade name for a non-magnetic copper nickel alloy. This also includes a stainless steel spring. Performance Minimum recommended operation pressure is 160 psi (11 bar). The nozzle is rated 0,75 gph (water) at 160 psi (11bar) where it delivers a semi solid spray pattern. Danfoss Heating Solutions VDDZH222 © Danfoss 04/2012 1