![Spirax Sarco ABV21i Installation And Maintenance Instructions Manual Download Page 2](http://html1.mh-extra.com/html/spirax-sarco/abv21i/abv21i_installation-and-maintenance-instructions-manual_1347905002.webp)
IM-P405-46
EMM Issue 5
2
1. Safety information
Safe operation of this product can only be guaranteed if it is properly installed,
commissioned, used and maintained by qualified personnel (see Section 1.11)
in compliance with the operating instructions. General installation and safety
instructions for pipeline and plant construction, as well as the proper use of
tools and safety equipment must also be complied with.
WARNINGS
Before commencing any dismantling work on a boiler, depressurise, drain,
and vent the boiler to atmosphere.
Pipelines must be adequately isolated, depressurised, and drained. Isolation
valves must be turned on and off gradually to avoid system shocks.
Ball valves can trap pressurised media in the body, so make sure there is no
pressure to the valve body, or any pressure remaining in the body, before
loosening or removing the flange bolts. The actuator must belated both
pneumatically and electrically before any maintenance is carried out.
Do not attempt to service the actuator without first consulting the Installation
and Maintenance Instructions, as the end caps contain springs under pressure.
Failure to follow the instructions could result in injury. The actuator must be
vented before dismantling.
If the valve should seize in the partly open position, the springs in the actuator
will still be partly compressed, and will consequently be storing a large
amount of energy, which could cause injury if released suddenly. If there is
any possibility that this is the case follow the instructions given in the
'Maintenance' section of this booklet - 'Dismantling a seized valve assembly'.
Maximum supply pressure
8 bar g
(116 psi g)
1.1 Intended use
Referring to the Installation and Maintenance Instructions, name-plate and Technical
Information Sheet, check that the product is suitable for the intended use / application.
The products listed below comply with the requirements of the European Pressure
Equipment Directive 2014/68/EU and carry the
mark when so required.
The products fall within the following Pressure Equipment Directive categories:
Product
Group 2
Gases
Group 2
Liquids
ABV21i and ABV40i
DN25
SEP
SEP
DN32
SEP
SEP
DN40 - DN50
ABV21i
1
SEP
ABV40i
1
SEP
DN65
1
SEP
Summary of Contents for ABV21i
Page 24: ...IM P405 46 EMM Issue 5 24...