W.S. Darley & Co. offers it's own Flow Test Kit with several outstanding design features that make it easier to use than kits offered by others. Precise Flow Measurement-Accurately measures flows from 160 to 1500 GPM within 30 PSI to 200 PSI pitot gauge range. Reliable Conversion Table-Flow results based on standard flow charts and proven with extensive water volume tests. Type of Gauge-Liquid-filled dial gauge: 31/2" diameter, Grade A-1% accuracy, 0 PSI to 200 psi range; vibration free readings. Tester Body-Nozzles and swivel inlet are made of heat-treated aluminum alloy. Parts are hard-coated anodized to provide an extremely durable protective surface. Automatic Coupling Design for instant and positive nozzle bore change. Simply pull back sleeve, insert nozzle and slide sleeve forward to lock. Spring-Loaded Pitot Lock System-provides instant, positive pitot positioning. Location of pitot inlet is always held in correct relation to nozzle outlet (Distance = 1/2 of nozzle diameter) by spring loaded stainless-steel ball plungers. This design allows pitot to be positioned with a twist of the wrist. Nozzle O-Ring Seal Position is designed for fast nozzle insertion and removal. Renewable Brass Pitot Blade ensures for easy, inexpensive pitot blade replacement. Order the complete Darley Test Flow Kit or the Darley Economy Kit. Ship. wt. 18 lbs.

Complete Flow Test Kit	Economy Flow Test Kit
Set of six nozzle tips: 1", 11/4"  11/2", 13/4" 2"& 21/4"   One - 21/2" NST Female swivel inlet   Complete instructions and flow chart   Molded plastic foam padded case	Choice of four nozzle tip sizes One - 21/2" NST Female swivel inlet Plastic Tool Box w/tool tray