■EPDT-337a■MODEL CF-90Constant Flow ValvePRODUCT MANUAL .Thank you very much for choosing the Yoshitake’s product. To ensure the correct and safe use of the product,please read this manual before use. This manual shall be kept with care for future references.The symbols used in this manual have the following meanings.Warning This symbol indicates a potentially hazardous situation that, if not avoided,could result in death or serious injury.Caution This symbol indicates a hazardous situation that, if not avoided, may result inminor or moderate injury or may result in only property damage.Table of Contents1. Specifications····························································12. Structure, Dimensions and Weight ·································23. Performance characteristic chart3.1 Noise characteristic chart ·······································33.2 Flow rate characteristic chart ··································34. Precautions for installation ···········································45. Precautions for operation ·············································56. Maintenance6.1 Troubleshooting ···················································66.2 Precautions for maintenance and inspection ··············6Warranty Information