Yoshitake PD-1 User Manual Download

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12

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Air Operated Valve
Control Valve

12

1
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Summary of Contents for PD-1

Page 1: ...12 1 Air Operated Valve Control Valve 12...

Page 2: ...ight products depending on the intended of uses Confirm the additional details on the product page Step 2 Sizing Please confirm the essential Cv value on the sizing data P 5 or Please confirm the esse...

Page 3: ...ntrol by a combination of controller Control on off of the fluid line for explosion proof area that cannot use electricity What is Air Operated Valve What is Control Valve Application Application Best...

Page 4: ...50A Flanged type 9 PD 3 Piston type Steam Air Water Oil Equivalent to SCS14A 0 2 2 1 200 C JIS Rc 15 50A Screwed type 11 Model Type Fluid Material Working Press MPa Max Temp C Connection Size Feature...

Page 5: ...Max gas flow rate m3 h standard condition G Specific gravity relative to air for gas or relative to water for liquid t Fluid temperature C V Max liquid flow rate m3 h Cv Cv value of each nominal size...

Page 6: ...lation check the direction of the product so that the fluid flowing and the arrow marked on the product are in the same direction 3 As shown in the above figure it is recommended that stop valves stra...

Page 7: ...der to prevent malfunction due to the distortion of the body 6 Recommend the upright installing position for the control valve top drive unit 7 Secure a space required for disassembly or removal of th...

Page 8: ...close 0 Pressure Maximum Valve operation valve opening Condition of fluid Signals DC 20 mA Fully open 100 Water level Quick increase Increase signal Open Water level Slow increase 4 mA Fully close 0...

Page 9: ...del PD 1 PD 2 Application Steam Air Cold and hot water Other non dangerous fluids Working pressure 0 1 0 MPa Max temperature 180 C Operation Air to open Pilot pressure 0 2 0 25 MPa Material Body Bronz...

Page 10: ...eights kg PD 1 PD 2 Nominal size d L H H1 Cv value Weight 15A Rc 1 2 90 210 50 5 4 20A Rc 3 4 100 221 56 7 4 4 25A Rc 1 110 221 56 11 4 7 Nominal size L H H1 A Cv value Weight 15A 120 210 50 140 5 5 9...

Page 11: ...luids 600 cSt or less Nominal size 15 50A Working pressure 15A 0 2 2 MPa 1 20A 0 1 3 MPa 25A 0 0 9 MPa 25A 0 2 2 MPa 1 32A 0 1 2 MPa 40A 0 1 0 MPa 50A 0 0 75 MPa Pilot pressure 15A 0 35 1 0 MPa 20A 0...

Page 12: ...packing V PTFE Diaphragm EPDM Accessories Electro pneumatic positioner 4 20 mA DC Air regulator CT 1 1 CT 1 offers the standard type electro pneumatic positioner and the air regulator as accessories a...

Page 13: ...n preventive structure with high tolerance for vibration Quick and accurate response Good efficiency with small air consumption Easy zero span adjustment LCD monitor shows positioner s condition Excel...

Page 14: ...lapping with mixed sand 3 Packing is consumable supply If getting old replace with new one 4 Conduct inspection for spring buckling and stem bending etc Pilot pressure is not supplied Check air supply...

Page 15: ...finished Actuator set cannot be removed when pilot pressure is not supplied to pilot port Also it is very dangerous to stop pilot pressure during supply at work because actuator set files out from bod...

Page 16: ...Leakage occurs between lower diaphragm Replace actuator case and diaphragm rod Failure occurs in accessory positioner or Inspect or replace positioner or regulator regulator Failure occurs in body pa...

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