Rotork YT-200, YT-205, YT-220, YT-225 - Air Filter Regulator Quick Guide

Introduction

Air filter regulator, YT-200 / 205 / 220 / 225, receives the main supply air pressure and supplies to the desirable level of pressure to a positioner or other pneumatically operating devices.

Installation

• The air filter regulator can be installed with or without a bracket depending on the field conditions. The air filter regulator is used to supply constant air pressure to various devices such as positioner, actuator and solenoid valve. The product can be installed using only pneumatic piping without a separate bracket. Before connecting, be sure to blow out all piping to prevent impurities from entering in to the product and ensure that it is the right size meeting the required capacity.
• If you require brackets for installation, you can check the dimensions mentioned in the diagram on previous page and make the desired bracket type to suit each models. Below is an example of YT-220 with bracket installation.
  

How to Use

1. Before supplying air pressure to the product, turn the adjustment bolt counterclockwise so that the adjustment spring is not pressed at all.
2. Install a pressure gauge on the output port (OUT). This pressure gauge will show the output pressure that is depressurized from the primary pressure (IN).
3. Connect the output port to ball valves or other device with fittings, and the supply air pressure to the input port (IN).
4. Turn the adjust bolt clockwise, and then the secondary pressure goes up to the set value, turn the adjusting nut of the adjusting bolt clockwise to lock it completely to prevent the adjust bolt from moving.

Safety

• When installing a unit, please ensure to read and follow safety instructions.
• Installation, commissioning, and maintenance of the product may only be performed by trained specialist personnel who have been authorized by the plant operator accordingly. Be sure to have protective equipment and comply with safety regulations.
• After setting the pressure, secure the nut so that the adjustment bolt does not turn.
• Supply pressure should be used with clean air.
• Use within specifications specified in the manual. Exceeding the specification may result in damage to the product or accident.
• If there is any impact on the product, it may cause malfunction or failure, so be careful during handling, installation and operation.
• For maintenance, periodically open the drain plug at the bottom of the product to discharge the condensate.
• Exhaust to the atmosphere are made through a small exhaust hole(vent hole) next to the spring case.
• Install the product with the adjustment bolt facing up. Otherwise, the life cycle of the product may be shortened or moisture and foreign substance may enter into the vent hole, leading to damaging internal parts.
  
  Fig. 2-1: The correct positions

Manufacturer: Rotork YTC Limited
Address: 81, Hwanggeum-ro, 89 Beon-gil, Yangchon-eup, Gimpo-si, Gyeonggi-do, South Korea Postal code: 10048

Tel: +82-31-986-8545
Fax: +82-70-4170-4927
Email: ytc.sales@rotork.com
For more information, refer to our website http://www.ytc.co.kr