background image

                                                                                                        7                                                         

EPDT-341a

   

 

8. Slope the piping and place the product at as a low position as possible in order to make condensate flow 

into the product by its own weight. 

9. To install the product in a main pipe, provide a drip leg at the inlet side of the product. 
10. Install a strainer (mesh size of 80 or more is recommended) at the inlet side of the product. 
11. Install the product so that it is not subjected to the shock of water hammer. Do not install a quick operating 

valve before and/or after the product. 
* Failure to follow this notice may result in malfunction due to damage to the float, or may result in scalds or 
injury due to blow off when the product is subjected to an excessive shock and damaged. 

12. Install a bypass line. 

* The system has to stop operation while inspection and maintenance of the product if the bypass line is not 
installed. 

13. Be sure to install an equalizing line to prevent condensate accumulation. 

*

 

Install an equalizing line above the condensate level in the product. 

 

 

 

7. Operating Procedure 

7.1 Precaution for operating procedure 

          Warning 

1.  Before leading fluid, make sure that the product is securely connected to piping and that there is no 

loose. 
* Failure to follow this notice may result in scalds or injury due to blow-off. 

2.  Do not touch the product with bare hands while the product operates

 

when using high temperature fluid. 

* Failure to follow this notice may result in scalds. 

3.  Do not stand in front of the outlet opening of the product while the product operates. 

* Failure to follow this notice may result in scalds or injury due to blow-off. 

 

          Caution 

1.  Slowly open each stop valve to prevent water hammer. 

* Opening stop valves quickly may result in damage to other equipments due to hunting or water 
hammer. 

 

 
 

8. Maintenance 

8.1 Precaution for maintenance 

          Warning 

1.  When using high temperature fluid, do not touch the product with bare hands. 

* Failure to follow this notice may result in burns. 

2.  Be sure to completely release the internal pressure of the product, piping, and equipment when 

disassembling and maintenance. In the case of high temperature fluid, please cool the product body until 
it touches with bare hands.   
* Failure to follow this notice may result in scalds or injury due to residual pressure. 

 
 
 

Summary of Contents for Trap Star TSF-8AT

Page 1: ...hazardous situation that if not avoided may result in minor or moderate injury or may result in only property damage Table of Contents 1 Usage of the Product 1 2 Specifications 1 3 Dimensions and Wei...

Page 2: ...steel Valve valve seat Stainless steel Connection JIS Rc screwed NPT screwed Flow direction Left to Right Standard Suffix R for Right to Left flow For installation posture see No 4 6 2 Precaution for...

Page 3: ...condensate 3 When condensate is discharged the condensate level falls and the float s buoyancy to the float decreases and the valve closes 4 Condensate can be discharged by repeating the operation of...

Page 4: ...ischarge capacity is of working differential pressure of 0 3 MPa 2 The discharge capacity shown in the charts below is the maximum value In designing a system select an air trap with a sufficient safe...

Page 5: ...e Stop Valve Pressure Gauge Stop Valve Air Trap Strainer Stop Valve Stop Valve Vessel Stop Valve Air Trap Strainer Pressure Gauge Stop Valve Stop Valve Stop Valve Stop Valve Stop Valve Stop Valve Drai...

Page 6: ...g valve To discharge condensate from the main pipe be sure to install the product so that condensate can be discharged from the bottom of the main pipe by drip leg End portion of discharge pipe shall...

Page 7: ...wrong directions prevents it from functioning properly 3 Do not apply excessive load torque or vibration to the valve 4 Check installation posture Wrong posture hampers proper operation Allowable til...

Page 8: ...Precaution for operating procedure Warning 1 Before leading fluid make sure that the product is securely connected to piping and that there is no loose Failure to follow this notice may result in scal...

Page 9: ...ther than the dedicated parts manufactured by Yoshitake Do not modify the product Failure to follow this notice may cause damage to the product or may result in scalds or injury due to blow off or mal...

Page 10: ...osition TOP and BOTTOM signs on upside and downside respectively See Caution No 4 6 2 Precaution for installation on Page 6 Continuous blowout 1 Foreign substances stuck on valve or valve seat 1 Disas...

Page 11: ...gle boxes are available as consumable supply Remove the plug on the TOP side and install an equalizing line Cover Gasket Body Screen Float P Assembly Cover Assembly Plug Plug Bolt Float Holder Float P...

Page 12: ...ench 19 mm Procedure 1 Procedure 1 Loosen the bolts fixing the cover with ring wrench width across flat 19 mm and remove the cover and gasket from the body Pull out the screen from the body Procedure...

Page 13: ...2 Attach the screen to the body The screen can be inserted from either end OK WRONG Connect the float holder and float P assembly with the spindle Check that the float P assembly moves smoothly and th...

Page 14: ...re 3 Install the cover gasket to the cover Make the oval shaped holes on the cover and on the cover gasket in the same position Make sure to use a new cover gasket Apply lubricant agent to the cover g...

Page 15: ...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...

Reviews: