background image

YT-320 / 325 series 

 

1. Introduction 
 

1.1 

General Information for the users 

Thank you for purchasing Young Tech Co., Ltd products.  Each product has been fully 

inspected after its production to offer you the highest quality and reliable performance.  

Please read the product manual carefully prior to installing and commission the product.     

  For the safety, it is important to follow the instructions in the manual.    Young Tech Co., 

Ltd will not be responsible for any damages caused by user’s negligence.     

 

The manual should be provided to the end-user.   

  Any modifications or repairs to the product may only be performed if expressed in this 

manual.  

  The manual can be altered or revised without any prior notice.  Any changes in 

product’s specification, design, and/or any components may not be printed immediately 

but until the following revision of the manual.     

  The manual should not be duplicated or reproduced for any purpose without prior 

approval from Young Tech Co., Ltd, Gimpo-si, South Korea.   

 

1.2 Manufacturer 

Warranty 

  For the safety, it is important to follow the instructions in the manual.    Manufacturer will 

not be responsible for any damages caused by user’s negligence.   

  Manufacturer will not be responsible for any damages or accidents as a result of any 

alteration or modification of the product and its parts.    If any alteration or modifications 

are necessary, please contact Young Tech Co., Ltd directly.     

  Manufacturer warrants the product from the date of original purchase of the product for 

eighteen (18) months, except as otherwise stated. 

  Manufacturer warranty will not cover products that have been subjected to abuse, 

accidents, alterations, modifications, tampering, negligence, misuse, faulty installation, 

lack of reasonable care, repair or service in any way that is not contemplated in the 

documentation for the product, or if the model or serial number has been altered, 

tampered with, defaced or removed; damages that occurs in shipment, due to act of 

God, failure due to power surge, or cosmetic damage.  Improper or incorrectly 

performed maintenance will void this limited warranty.     

 

For detailed warranty information, please contact Young Tech Co., Ltd – South Korea.   

 

 

 

 

 

 

Содержание YT-320

Страница 1: ...VOLUME BOOSTER RELAYS PRODUCT MANUAL YT 320 325 SERIES VERSION 1 02 ...

Страница 2: ...t Description 4 2 1 General 4 2 2 Main Features and Functions 4 2 3 Label Description 4 2 4 Product Number 4 2 5 Product Specification 5 2 6 Parts and Assembly 5 2 7 Operation Logic 6 2 8 Dimension 6 3 Installation 7 3 1 Safety 7 3 2 YT 320 325 Installation 7 3 3 Installation Example 8 4 Maintenance 9 5 Trouble Shooting 9 ...

Страница 3: ...Korea 1 2 Manufacturer Warranty For the safety it is important to follow the instructions in the manual Manufacturer will not be responsible for any damages caused by user s negligence Manufacturer will not be responsible for any damages or accidents as a result of any alteration or modification of the product and its parts If any alteration or modifications are necessary please contact Young Tech...

Страница 4: ...he ratio of 1 1 By pass control enhances safety of the control valve operation Response to slight changes in input signal which increases accuracy of the output pressure to actuator Internal 100 mesh screen filters small dust entering into the product SIL 3 certified 2 3 Label Description Fig 1 YT 320 325 Body Label A Model Indicates the model number B Max Sup Indicates maximum supply pressure ran...

Страница 5: ...In Out Connection PT NPT 1 2 NPT 1 2 Signal Connection PT NPT 1 4 Linearity 1 F S Ambient Temperature Standard Temp 20 70 High Option Temp 20 120 Low Option Temp 40 70 Material Aluminum Stainless Steel 316 Weight 0 76 kg 1 9 kg Tested under ambient temperature of 20 C absolute pressure of 760mmHg and humidity of 65 Please contact Young Tech Co Ltd for detailed testing specification 2 6 Parts and A...

Страница 6: ...h stem 7 and supply pressure will be exhausted to output port As output and supply pressure is equalized stem 7 will be moved to keep signal and output pressure the ratio of 1 1 If output pressure is higher than signal pressure diaphragm assembly will be raised and output pressure in the exhaust ring 4 will be exhausted through exhaust port The sensitivity of output pressure to signal pressure can...

Страница 7: ...Use bypass valve or other supportive equipment to avoid entire system shut down Ensure to use filter regulator Use manometer to monitor the pressure level when setting the pressure level 3 2 YT 320 325 Installation YT 320 325 can be installed with or without a bracket depending on the field requirement Please refer to YT 320 325 dimension to build appropriate bracket if required ...

Страница 8: ...8 YT 320 325 series 3 3 Installation Example Double acting linear actuator Single acting rotary actuator ...

Страница 9: ...lease check if signal and exhaust ports of the volume booster are being cleared Unstable valve operation when signal has been sent to a positioner Please reduce valve packing and or valve friction level Please check current actuator size and check if volume booster size is suitable Hunting occurs when signal has been sent to a positioner Please reduce valve packing and or valve friction level Plea...

Страница 10: ... series Manufacturer Young Tech Co Ltd 3022 Hagun ri Yangchon myeon Kimpo si Kyeonggi do 415 843 South Korea Tel 82 31 986 8545 Fax 82 31 986 2683 Email ytc ytc co kr Copyright Young Tech Co Ltd All Rights Reserved ...

Отзывы: