5
Introduction
OMM223000015
Rev 2 – May 06
Section 1
Introduction
Contents
Para
Page
1.1
Scope of Manual......................................................................... 5
1.2
Safety Assessment ..................................................................... 5
1.3
Procedure Safety........................................................................ 5
1.1
Scope of Manual
This manual details the information to enable the user to install and maintain
the 2230C/4430B Temperature Sensing Valve and is divided into the following
sections:
Section 1
Introduction........................................ Page 5
Section 2
Description ......................................... Page
7
Section 3
Installation ......................................... Page 11
Section 4
Operation ........................................... Page 15
Section 5
Maintenance ....................................... Page 17
Section 6
Technical Data .................................... Page 19
1.2
Safety Assessment
This product has been assessed against the requirements of EU Directive
94/9/EC (ATEX) and has been shown to comply with the requirements for
mechanical equipment to Group IIG, Category 2. This classification would
permit the equipment to be used in Zone 1 and 2 hazardous areas. Such
compliance is indicated in the product labelling as:
II 2G X
The “X” marking is used in respect to the maximum surface temperature of the
valve which is wholly conditional on the temperature of the fluids passing
through it. The valve is specified to operate to a maximum temperature as
listed in the Technical Data, Section 6, page 19.
1.3
Procedure Safety
Certain operations within this manual are potentially hazardous and could
cause injury to personnel or equipment damage if the instructions are not
carried out exactly as described. Where a significant potential hazard exists,
the following text appears immediately before steps in the procedure that
present a particular hazard:
