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PDD-046f 

Warranty Information 

 

1.  Limited warranty 

This product has been manufactured using highly-advanced techniques and subjected to 

strict quality control.    Please be sure to use the product in accordance with instructions on 

the manual and the label attached to it. 

Yoshitake warra

nts the produc

t to be free from any defects in material and workmanship 

under normal usage for a period of one year from the date of receipt by the original user, but 

no longer than 24 months from the date of shipment from Yoshitake’s factory. 

 

2.  Parts supply after product discontinuation 

This produc

t may be subject to discontinuation or change for improvement without any prior 

notice.    After the discontinuation of the 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 foreign substances inside piping. 

(2) 

Improper handling or misuse. 

(3)  Improper supply conditions such as abnormal water pressure/quality. 

(4) 

Water scale or freezing. 

(5) 

Trouble with power/air supply. 

(6) 

Any alteration made by other than Yoshitake. 

(7)  Use under severe conditions deviating from the design specifications

 

(

e.g. in case of corrosion due to outdoor use). 

(8) 

Fire, flood, earthquake, thunder and other natural disasters. 

(9) 

Consumable parts such as O-ring, gasket, diaphragm and etc. 

Yoshitake is not liable for any damage or loss caused by malfunction or defect of the product. 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for SY-17

Page 1: ...lt in death or serious 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 2 Dimensions 1 3 Operation 2 4 Nominal Size Selection 4 1 Selection of nominal size 2 4 2 Selection of nominal pipe size 2 4 3 Pressure Loss Chart 3 5 Maintenance 5 1 Precaution for in...

Page 2: ...4P Mesh Standard 80 mesh Connection JIS Rc Screwed If the temperature is over 100 C another material is used for the gasket Please contact us Available with 20 to 100 mesh screens 2 Dimensions mm Nominal size d L H1 A B ds ls Weight kg 15A Rc 1 2 85 55 22 30 20 35 0 40 20A Rc 3 4 100 69 27 38 25 50 0 68 25A Rc 1 115 83 30 44 32 60 1 01 32A Rc 1 1 4 135 92 36 54 40 70 1 48 40A Rc 1 1 2 150 102 41 6...

Page 3: ...l pipe size is smaller the costs of piping and equipment decreases while the pressure loss through the pipe increases to generate disturbances possibly resulting in pipe wear noise and or vibration If the nominal pipe size is too large not only the costs of piping and equipment but also the thermal loss increases As a reference the standard flow velocity is specified in the Japanese Industrial Sta...

Page 4: ...3 EPDT 048a 4 3 Pressure Loss Chart Screen φ2 5 4P Mesh 80 mesh ...

Page 5: ... 2 The product shall be installed with its cap faced downward If drainage or similar problem occurs in a steam line incline the product to the position at which the cap is kept horizontally 3 If the product can only be installed to run the fluid from the bottom to the top make sure to install a blow valve in order to remove the scale accumulated at the bottom of the riser pipe See Fig 2 in 7 Pipin...

Page 6: ...e to the residual pressure 1 After checking the pressure gauge to make certain there is no pressure inside the body 1 remove the cap 2 and screen 3 Clean up the screen 3 by compressed air or water 6 2 Precaution for reassembly Caution 1 Clean the gasket contact surfaces of both the body and the cap Improper cleaning may cause fluid leakage at the gasket resulting in scalds or injury 2 When install...

Page 7: ...r improvement without any prior notice After the discontinuation of the 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 foreign substances inside piping 2 Improper handling or misuse 3 Improper supply conditions such as abnormal water pressure quality 4 ...

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