valves.emerson.com
VCIOM-03189-EN 17/05
Before installation these instructions must be read fully and understood
© 2017 Emerson. All Rights Reserved.
VAREC
SERiES 180/181 DouBlE poRt REgulAtoR
InstallatIon, operatIon and maIntenance InstructIons
LIMItAtIONs Of sELLER's LIAbILIty
in the event that a court holds that this
instruction manual created some new
warranties, the seller's liability shall be limited
to repair or replacement under the standard
warranty clause. in no case shall the seller's
liability exceed that stated as limitations of
Remedy in the contract between the seller and
buyer.
use of parts that are not manufactured or
supplied by Emerson voids any Emerson
warranty and relieves Emerson of any
obligation to service the product under
warranty. Emerson recommends the use of
only Emerson manufactured or supplied parts
to maintain or service Varec Series 180/181
double port regulators.
this document, or any part of, may not be
reproduced by any means without written
permission of Emerson.
DIsCLAIMER Of wARRANtIEs
the contract between the seller and the buyer
states the entire obligation of the seller. the
contents of this instruction manual shall not
become part of or modify any prior or existing
agreement, commitment or relationship
between the seller and buyer. there are no
express or implied warranties set out in this
instruction manual. the only warranties that
apply are those in the existing contract between
the seller and buyer.
the Varec 180/181 Series double port
regulators have not been tested under all
possible operational conditions and Emerson
does not have all the data relative to your
application. the information in this instruction
manual is not all inclusive and does not and
cannot take into account all unique situations.
Consequently, you should review this product
literature in view of your application. if you have
any further questions, please contact Emerson
for assistance.
sAfEty pRECAutIONs
Read and understand this instruction manual
before installing, operating or performing
maintenance on Varec 180/181 series double port
regulator. Follow all precautions and warnings
noted herein when installing, operating or
performing maintenance on this equipment.
safety precaution definitions:
CAutION
Damage to equipment may result if this
precaution is disregarded.
wARNINg
Direct injury to personnel or damage to
equipment which can cause injury to personnel
may result if this precaution is not followed.
gENERAL
Varec Series 180/181 regulators are diaphragm
operated and weighted lever controlled, highly
sensitive gas control valves. the regulators
are designed for maintaining a constant
downstream pressure automatically. they are
used widely in vapor recovery systems and gas
blanketing systems to maintain a slight positive
pressure on the tanks.
33-11023 Rev.D
