Yoshitake OB-30 User Manual Download

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Temperature Regulator

Summary of Contents for OB-30

Page 1: ...13 1 Temperature Regulator 13...

Page 2: ...tor Step 1 Selection Please refer to the ID chart to select the right products depending on the intended uses Details are on the product page Step 2 Sizing Please check the required Cv value from size...

Page 3: ...emperature Controls cooling fluid in order to maintain set temperature Direct acting type Pilot type Direct acting type Internal pressure bellows External pressure bellows Use steam or hot water in or...

Page 4: ...cause the temperature is sensed by sealing gas It is especially recommended to the food processing industry Stainless steel and PTFE materials are used for the valve disc which ensures high durability...

Page 5: ...akage designed single seat valve 13 11 OB 31U JIS Rc union joint 15 25A 13 11 OB 2000 External pressure bellows Steam FCD450 2 0 1 0 for JIS10K 220 C JIS Rc 15 50A Heating Pilot type Large flow capaci...

Page 6: ...ng 13 23 OB 4 Internal pressure bellows Cold water Refrigerant FC200 0 2 0 7 180 C JIS 10KFF 15 150A Cooling 13 26 OB 4G External pressure bellows 15 125A Low temperature cooling 13 26 OB 5 Internal p...

Page 7: ...lue of each nominal size Cv value table Nominal size Model 15A 20A 25A 32A 40A 50A 65A 80A 100A 125A 150A OB 30 31 0 8 1 1 2 OB 2000 5 0 7 2 10 9 14 3 18 8 32 54 70 108 OB 1 1G 2 2 4 7 10 OB 2 2G 2 2...

Page 8: ...bulb can be mounted in any posture make sure that more than 3 4 of its total length is in direct contact with the fluid to be heated or cooled 2 Screw on bushing first then use washer of packing to se...

Page 9: ...ter from the piping through the bypass line at the starting before operating the temperature regulator Installation of thermal bulb 1 Although the thermal bulb can be mounted in any posture make sure...

Page 10: ...For air Capillary tube Temperature regulator Thermal bulb for air Thermometer Pressure gauge Pressure gauge Steam Strainer Bypass valve Heater Trap Strainer Steam Storage tank Capillary tube Thermomet...

Page 11: ...y changeable thermal specification by easy attachment and detachment of the body and thermal bulb 5 Wide temperature adjusting range applicable to wide variety of applications 6 The thermal bulb is us...

Page 12: ...fer to P 36 Available with capillary of 3 or 5 meter R 1 2 R 1 2 OB 30 OB 31U Temperature Adjusting Range Temperature adjusting range C Withstand temperature C 0 35 75 25 70 110 40 100 140 60 130 170...

Page 13: ...low rate of 20 kg h Since this intersection point b lies between nominal sizes 15A and 20A select the larger one 20A Chart of the flow rate is a reference value OB 31 31U Nominal Size Selection Chart...

Page 14: ...ature adjusting range 8 183 C Valve seat leakage 0 01 or less of rated flow rate Material Body Ductile cast Iron FCD450 Main valve valve seat Stainless steel Diaphragm Stainless steel Pilot valve Stai...

Page 15: ...230 216 319 276 60 189 242 32 7 OB 2000 Flanged type JIS 20KRF JIS 10KFF Nominal size L H1 H A E F G Weight 15A 146 142 170 244 200 45 169 222 15 6 15 4 20A 146 142 170 244 200 45 169 222 16 1 15 9 25...

Page 16: ...emperature regulator whose inlet pressure P1 outlet pressure P2 and steam flow rate are 0 5 MPa 0 4 MPa and 400 kg h respectively first find intersection point a of the inlet pressure of 0 5 MPa and t...

Page 17: ...0 MPa Max temperature 180 C Temperature adjusting range For liquid 40 120 C 15 100 C For air 40 120 C 15 100 C Ambient temperature Set temperature 10 C or less Set temperature 30 C or less Material Bo...

Page 18: ...emperature adjusting range C Withstand temperature C For liquid For air 15 35 15 35 50 20 40 20 40 50 35 55 35 55 70 40 60 40 60 90 50 70 50 70 100 60 80 60 80 110 70 90 70 90 120 80 100 80 100 130 Th...

Page 19: ...a temperature regulator whose inlet pressure P1 outlet pressure P2 and steam flow rate are 0 3 MPa 0 25 MPa and 60 kg h respectively first find intersection point a of the inlet pressure of 0 3 MPa an...

Page 20: ...100 C For air 40 120 C 15 100 C Ambient temperature Set temperature 10 C or less Set temperature 30 C or less Material Body Cast iron Valve valve seat Phosphor bronze stainless steel Valve spindle St...

Page 21: ...2 220 980 125 The OB 2G comes in nominal size up to 125A mm Temperature Adjusting Range OB 2 Temperature adjusting C Withstand temperature C For liquid For air 40 60 40 60 70 50 70 50 70 80 60 80 60 8...

Page 22: ...a temperature regulator whose inlet pressure P1 outlet pressure P2 and steam flow rate are 0 3 MPa 0 25 MPa and 60 kg h respectively first find intersection point a of the inlet pressure of 0 3 MPa an...

Page 23: ...fluid Max pressure Body 0 7 MPa Thermal valve 1 0 MPa Maximum temperature 180 C Temperature adjusting range For liquid 40 120 C 15 100 C For air 40 120 C 15 100 C Ambient temperature Set temp 10 C or...

Page 24: ...3G Temperature adjusting C Withstand temperature C For liquid For air 15 35 15 35 50 20 40 20 40 50 35 55 35 55 70 40 60 40 60 90 50 70 50 70 100 60 80 60 80 110 70 90 70 90 120 80 100 80 100 130 The...

Page 25: ...5 MPa and flow rate is 9 m3 h first find the intersection point a with the differential pressure P 0 15 MPa 0 3 MPa 0 15 MPa before and after valve and the flow rate 9 m3 h Since this intersection poi...

Page 26: ...alve 1 0 MPa Maximum temperature 180 C Temperature adjusting range For liquid 40 120 C 15 100 C For air 40 120 C 15 100 C Ambient temperature Set temp 10 C or less Set temp 30 C or less Material Body...

Page 27: ...0 20 40 50 35 55 35 55 70 40 60 40 60 90 50 70 50 70 100 60 80 60 80 110 70 90 70 90 120 80 100 80 100 130 The term Withstand temperature means the temperature from pressure resistance of the bellows...

Page 28: ...e chart When inlet pressure is 0 3 MPa outlet pressure is 0 15 MPa and flow rate is 9 m3 h first find the intersection point a with the differential pressure P 0 15 MPa 0 3 MPa 0 15 MPa before and aft...

Page 29: ...Ambient temperature Set temp 10 C or less Material Body Cast bronze Valve Stainless steel Valve seat Stainless steel Valve spindle Stainless steel Bellows Phosphor bronze Thermal valve For liquid Stai...

Page 30: ...or liquid Nominal size d L H Weight 15A Rc 1 2 148 360 6 20A Rc 3 4 148 360 6 25A Rc 1 160 360 7 How to use the chart When inlet pressure P1 is 0 4 MPa outlet pressure P2 is 0 3 MPa and flow rate is 8...

Page 31: ...10 C or less Material Body Cast iron Valve Stainless steel Valve seat Stainless steel Valve spindle Stainless steel Bellows Phosphor bronze Thermal valve For liquid Stainless steel For air Stainless...

Page 32: ...w rate is 80 kg h first find intersection point a of the inlet pressure 0 4 MPa and the outlet pressure 0 3 MPa Trace down vertically from this intersection point a and find intersection point b with...

Page 33: ...ries 13 34 OB 2000 Series 13 38 OB 1 to OB 6 Precautions for installation 13 42 Piping example 13 42 Adjustment procedure 13 43 Disassembly and disposal 13 44 Troubleshooting 13 45 Tolerance of set te...

Page 34: ...e inside the product and piping and close the stop valves installed at before and after the product 7 Before leading fluid into the product be sure to remove foreign substances and scale from the pipi...

Page 35: ...arging be sure to close the bypass stop valve 2 Turn the handle and move the indicator to the desired temperature position on the scale To raise the temperature turn the handle clockwise to direction...

Page 36: ...bellows follower 3 Loosen the bolt nominal size 6 and detach the spring chamber 4 Detach the upper and lower guides Width across flat 17 mm 5 While setting a tool such as a spanner width across flat 6...

Page 37: ...to the adjustment procedures Remove the foreign substances If there is damage on the parts please contact us to disassemble and replace the parts Readjust according to the adjustment procedures Repla...

Page 38: ...the product and piping and close the stop valves installed at before and after the product 7 Before leading fluid into the product be sure to remove foreign substances from the piping completely by us...

Page 39: ...gh time After discharging be sure to close the bypass stop valve Be sure that fluid temperature does not exceed the max temperature while blowing 2 Turn the adjustment screw and move the indicator to...

Page 40: ...ake out the seal bellows Disassembly of main body main valve 1 Detach the bolts of the cover separate the cover from the body and take out the main valve spring and main valve 2 The dedicated tool is...

Page 41: ...ide or pilot valve and guide do not move smoothly Leakage from the gasket Retighten or replace the gasket Seal bellows is damaged Replace the seal bellows Special specifications Temperature regulator...

Page 42: ...ainers and a by pass line See Fig 1 4 The heating cooling fluid pressure should be reduced with a pressure reducing valve if it exceeds the maximum pressure 5 Do not apply excessive load torque or vib...

Page 43: ...ine Upward Downward WRONG WRONG OK OK OK Adjustment procedures Temperature regulator Incorrect adjustment may cause hunting scale problems or water hammer and may heavily damage the main parts of the...

Page 44: ...ssion 3 Detach the bolts of bellows cover and dismount the bellows Caution Do not apply heat to thermal bulb while the bellows is dismounted For the thermal bulb of lower temperature range the thermal...

Page 45: ...o outer shocks or excessive heat Thermal bulb and thermometer are installed improperly or in wrong positions Spindle does not move smoothly due to over tightened cap nut Bellows or spindle is deformed...

Page 46: ...tion Please note that this is not temperature control range Special of thermal bulb Temperature regulator A B Nominal size d R 3 4 R 1 R 1 1 4 20A or larger 25A or larger 32A or larger 19 25 32 15 25A...

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Yoshitake OB-30, Manual

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