EPDT-312aGLOBE VALVE GLV-10F&20FPRODUCT MANUAL .Thank you very much for choosing the Yoshitake 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.1. SpecificationModel GLV-10F GLV-20FNominal size 15 to 50AApplication Steam, Air, Cold and hot water, Oil, Other non-dangerous fluidsMax. using pressure 1.4 MPa*1 2.8 MPa*1Max. using temperature 300℃*1 300℃*1Connection JIS 10K FF flanged JIS 20K RF flanged*1 The relation between using pressure and using temperature is according to JIS B2051 Pressure -temperature rating.CautionPlease confirm that the indications on the product correspond with the specifications of the orderedproduct model before use.* If they are different, please contact us without using the product.2. Storage and InstallationCaution(1) Store the product indoors in a dust free, low humidity, dry and ventilated environment.(2) Installation should be conducted by suitably trained personnel, wearing protective head, eye, handand foot protection.(3) To install the product, check the direction of the product so that the fluid flowing and the arrow markedon the product are in the same direction.(4) Be careful that the threaded connection between the mating pipe and the internal threadedconnections of the valves are in line to avoid piping stresses in the valves.(5) During transportation or storage of the product leakage may occur from the gland nut due todecreasing of tightening pressure by stress relaxation of the packing. Be sure to retighten the glandnut before use.(6) In case that the product is expected to be frozen, be sure to conduct freezing prevention measuresor water draining treatment (after use).3. OperationWarningBefore applying fluid, make sure that there is no danger if the fluid flow into the end of the piping.*Failure to follow this notice may result in property damage due to fluid leakage.