Emerson fisher VBL Скачать руководство пользователя страница 8

Instruction Manual

D103317X012

VBL Volume Booster

May 2017

8

Figure 5. Typical Installations with Diaphragm Actuator

DVC6200 DIGITAL VALVE CONTROLLER
WITH RELAY C OR POSITIONER

SUPPLY

67D, 67DR
OR 95H REGULATOR

VBL VOLUME
BOOSTER

PIPE NIPPLE

ACTUATOR

SIGNAL

E1213

Maintenance

There are no repairable or replaceable parts on the VBL volume booster. Contact your 

Emerson sales office

 or Local

Business Partner if a replacement VBL volume booster is needed.

Emerson Automation Solutions 

Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Cernay, 68700 France
Dubai, United Arab Emirates
Singapore 128461 Singapore

www.Fisher.com

The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not
to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are
governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such
products at any time without notice.

E

 

2010, 2017 Fisher Controls International LLC. All rights reserved.

Fisher is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions,
Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their respective owners.

Neither Emerson, Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance
of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.

Содержание fisher VBL

Страница 1: ...and and follow all of the contents of this manual including all safety cautions and warnings If you have any questions about these instructions contact your Emerson sales office or Local Business Partner before proceeding Description The VBL volume booster is used in conjunction with a positioner on a throttling control valve to increase stroking speed The booster has a fixed deadband controlled b...

Страница 2: ...ting you can install connectors and piping with the VBL volume booster The O rings and diaphragms in the VBL volume booster are HNBR Hydrogenated Nitrile HNBR demonstrates excellent temperature capability and shelf life over standard nitrile Specifications Specifications for the VBL volume booster are listed in table 1 Information for an individual unit as it comes from the factory appears on the ...

Страница 3: ... Controls International LLC declares this product to be in compliance with Article 4 paragraph 3 of the PED Directive 2014 68 EU It was designed and manufactured in accordance with Sound Engineering Practice SEP and cannot bear the CE marking related to PED compliance However the product may bear the CE marking to indicate compliance with other applicable European Community Directives NOTE Special...

Страница 4: ...essure supply However if the system is in a transient state at the time of pressure supply loss or if changes to the booster s input signal are sufficient to overcome the deadband the booster will exhaust A loss of a pressure supply either separate or common to a Fisher 3582 or 3610J positioner will cause the positioners output pressure booster s input pressure to decay Always pipe the positioner ...

Страница 5: ...or typical applications are shown in figures 4 and 5 Ensure that the piping is of proper size to meet the capacity demands of the booster and that you equip the actuator with properly sized input connections Supply Pressure Supply pressure must be filtered clean dry air or noncorrosive gas WARNING If a flammable or hazardous gas is to be used as the supply pressure medium personal injury property ...

Страница 6: ... screw figure 3 four or five turns counterclockwise from the fully closed position With the actuator in operation slowly turn the restriction clockwise until the booster operates in response to large changes in the input signal yet allows small changes to move the actuator without initiating booster operation Figure 3 Volume Booster Sectional View GE26237 Section UPPER DIAPHRAGM DIAPHRAGM PLATE AS...

Страница 7: ...ired to reduce the pressure differential The port remains open until the difference between the booster input and output pressures returns to within the deadband limits of the booster With the bypass restriction adjusted for stable operation signals having small magnitude and rate changes pass through the bypass restriction and into the actuator without initiating booster operation Both the supply...

Страница 8: ... be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice E 2010 2017 Fisher Controls International LLC All rights ...

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