Yoshitake AL-6 Product Manual Download Page 10

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EPDT-241

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Lever cannot be lifted.

1. Inlet pressure is low.

1. Increase inlet pressure to 75% of set

pressure or more.

2. Sliding portions of the valve [5] and

valve seat [4] does not move
smoothly.

2. The product needs to be disassembled

and cleaned. Please contact us for repair
at our factory.

After lever operation,
the product does not
stop blowing even if
letting go of the lever.

1. Scale stuck on contact surface

between valve [5] and valve seat
[4].

Remove the scale by operating the lever

again. Please contact us for repair at our
factory if the trouble does not stop.

2. Sliding portions of the valve [5]

and valve seat [4] does not move
smoothly.

2. The product needs to be disassembled

and cleaned. Please contact us for repair
at our factory.

Summary of Contents for AL-6

Page 1: ...ates 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 in minor or modera...

Page 2: ...e seat leakage The product has allowable valve seat leakage and does not close completely valve seat leakage cannot be zero 2 Do not use the product for equipment or device which vibrates excessively...

Page 3: ...sions mm Weight kg d L H1 H 65A 331 9 65 120 120 479 20 2 80A 441 8 75 130 130 132 493 495 24 0 100A 785 4 100 160 150 152 626 628 44 0 125A 1227 2 125 200 205 207 835 837 88 0 150A 1767 2 150 210 215...

Page 4: ...e of the safety relief valve decreases when the fluid is released into the atmosphere by the pop action of the valve 5 the force of fluid lift is lowered At this point the repelling force of the sprin...

Page 5: ...Pa 1 1 1 2 1 3 1 4 1 5 65A 1976 2138 2299 2461 2621 80A 2631 2846 3060 3276 3489 100A 4677 5059 5440 5825 6203 125A 7309 7906 8500 9102 9692 150A Boiler structure standards kg h Nominal size Set press...

Page 6: ...ngs if the product is installed on a place where there is a risk that fluid blowout causes alarm activation or contamination of the peripheral equipment Improper placement may cause contamination of t...

Page 7: ...h the open end of the exhaust pipe Failure to follow this notice may result in injury due to discharge Be aware that the product makes a loud noise at start up 4 Do not disassemble the product Please...

Page 8: ...please contact us for repair at our factory 2 Damage on contact surface between valve 5 and valve seat 4 2 The product needs to be disassembled and its parts need to be replaced Please contact us for...

Page 9: ...nd cleaned Please contact us 4 There is a back pressure at the piping of the product outlet 4 Remove the back pressure In addition change the piping layout not to allow back pressure 5 The product doe...

Page 10: ...pair at our factory After lever operation the product does not stop blowing even if letting go of the lever 1 Scale stuck on contact surface between valve 5 and valve seat 4 1 Remove the scale by oper...