Spirax Sarco FT 43 Series, Инструкция по установке и обслуживанию

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IM-IBR17-49IN Issue 1 7
2. General product information
2.1 General description
The FT43 - cast iron and FT44 - carbon steel ball float steam traps have stainless steel
working internals and automatic built-in air venting facility. These traps are supplied with
integrally flanged connections (for horizontal or vertical installations) and can be maintained
without disturbing the pipework. Please be aware that the flow direction is not the same for
all FT trap types or sizes but will be clearly marked on the trap body. The body and cover
castings for the FT44 are produced by a TÜV approved foundry.
Air vent
The BP99/32 capsule which is used in 4.5 bar - 21 bar ball float steam traps is suitable for
use on 150 °C superheat @ 0 bar g. This value reduces with elevated pressure.
The bimetallic element is fitted as standard to the 32 bar variants to provide additional
superheat resistance. It is also available on other variants on request. Please refer to the
pressure/temperature graphs in the following pages.
Optional extras
A manually adjustable needle valve (designated 'C' on the nomenclature i.e. FT46-C )
can be fitted to these traps. This option provides a steam lock release (SLR) feature in
addition to the standard air vent.
Note: The steam lock release and bimetallic air vent cannot be used in conjunction with
each other. Alternative arrangements may be available. For further information please
contact Spirax Sarco.
The
top of the cover can be drilled and tapped
2
" BSP or NPT for the purpose of fitting
a balance line if requested at the point of order.
The
bottom of the cover can be drilled and tapped
2
" BSP or NPT for the purpose of
fitting a drain cock if requested at the point of order.
Standards
This product fully complies with the requirements of the Indian Boiler Regulations, 1950.
Certification
This product is available with a manufacturers’ Typical Test Report. This can be supplied at
extra cost for the FT44 .
Note:
All certification / inspection requirements must be stated at the time of order
placement.
Note:
For further product data see the following sections and Technical Information Sheets:
Product
Material Section TI ref Capacities
FT43
DN25 - DN50 Cast iron Section 2.2
TI-IBR17-50IN
FT44 DN15 - DN50 Carbon steel Section 2.3 TI-IBR17-53IN