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12 

■ EP D T-088■  

 

Nominal size 65A-100A   

 
 
 
 

 

Содержание GD-26G

Страница 1: ...ious injury Caution This symbol indicates a hazardous situation that if not avoided may result in minor or moderate injury or may result in only property damage Table of Contents 1 Specifications 1 1...

Страница 2: ...r less Reduced pressure A 0 05 0 35 MPa B 0 30 0 70 MPa Min differential pressure 0 05 MPa Max pressure reduction ratio 10 1 Application temperature 5 90 C Material Body Bronze Valve seat Bronze Valve...

Страница 3: ...tively first find intersection point A of the inlet pressure P1 of 0 3 MPa and the reduced pressure P2 of 0 2MPa Trace down vertically from the intersection point to find intersection point B with the...

Страница 4: ...art shows variation in the reduced pressure when the inlet pressure of 0 60 MPa is changed between 0 15 MPa and 1 0 MPa after the reduced pressure is set at 0 10 MPa Q Max Fluid flow rate m3 h standar...

Страница 5: ...cap 4 Spindle 12 Diaphragm shell 5 Retainer 13 Spring plate 6 O Ring 14 Adjusting screw 7 Disc cover 15 Adjusting spring 8 Disc GD 26G mm Nominal size d L H1 H Weight kg 15A Rc 1 2 115 37 5 159 5 1 6...

Страница 6: ...t kg d D C t n h 25A 160 41 170 25 125 90 14 4 19 5 1 32A 200 57 224 32 135 100 16 4 19 7 5 40A 200 57 224 40 140 105 16 4 19 7 7 50A 220 61 239 5 50 155 120 16 4 19 10 9 65A 220 77 329 65 175 140 18...

Страница 7: ...ondary side pressure When the sluice valve on the secondary side is closed the pressure applied to the diaphragm 9 increases overcomes the load of the adjustment spring 15 and the disc 8 closes Gradua...

Страница 8: ...stment 6 If a quick operating valve such as a solenoid valve is installed place it at a distance of at least 3 meters from the product Failure to follow this notice may result in malfunction or a dras...

Страница 9: ...ping example 4 4 Adjusting procedure Following a wrong adjusting procedure may cause hunting scale problems or other problem and can heavily damage the main parts of the valve To avoid these problems...

Страница 10: ...he O ring 3 The diaphragm 9 is damaged 3 Replace the diaphragm 4 There is a leakage from the globe valve of the by pass line 4 Repair or replace the globe valve Abnormal sound 1 The nominal size of th...

Страница 11: ...ssure in the piping completely and check if pressure is 0 MPa by pressure gauge 2 Remove the domed cap nut turn the adjusting screw 14 counterclockwise and set the spring 15 free no load 3 Remove the...

Страница 12: ...11 EPD T 088 5 Exploded view Nominal size 15A 50A...

Страница 13: ...12 EPD T 088 Nominal size 65A 100A...

Страница 14: ...product Yoshitake supplies the repair parts for 5 years otherwise individually agreed 3 This warranty does not cover the damage due to any of below 1 Valve seat leakage or malfunction caused by forei...

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