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* INCH-POUND *
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F-R-2864
20 January 1995
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SUPERSEDES
MIL-R-18115D
28 October 1988
FEDERAL SPECIFICATION
CONTROLLERS, BOILER-FEED WATER, AUTOMATIC
This specification is approved by the Commissioner, Federal Supply Service,
General Services Administration, for the use of all Federal agencies.
1. SCOPE
1.1 Scope. This specification covers controllers, consisting of some
combination of one or more sensing devices, a flow method or device, and the
necessary ancillary components to complete the system, that provide for
automatic and independent control of the flow of feed water to boilers
operating at steam pressures up to 1,500 pounds per square inch gage (psig)
(10,341 kilopascals (kPa) gage) inclusive.
1.2 Classification. Boiler-feed water controllers, covered by this
specification, are of the following types, classes, and styles, as specified
(see 6.2).
Type I - Feed water flow control valve regulation
Class 1 - Single element, direct-operated
Style 1 - Thermo-mechanical or thermo-hydraulic, inclined tube drum
level sensing element
Style 2 - Float-type drum level sensing element
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*Beneficial comments (recommendations, additions, deletions) and any pertinent*
*data which may be of use in improving this document should be addressed to: *
*Commanding Officer (Code 156), Naval Construction Battalion Center, *
*1000 23rd Avenue, Port Hueneme, CA 93043-4301, by using the Standardization *
*Document Improvement Proposal (DD Form 1426) appearing at the end of this *
*document or by letter. *
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AMSC N/A FSC 4410
DISTRIBUTION STATEMENT A. Approved for public release; distribution is
unlimited.
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