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NPFC - MIL-PRF-32217

SCALE PREVENTION IN SEWAGE COLLECTION, HOLDING AND TRANSFER (CHT) AND VACUUM CHT (VCHT) PIPING SYSTEMS FOR USE ON NAVAL SURFACE SHIPS

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Organization: NPFC
Publication Date: 29 November 2011
Status: active
Page Count: 25
scope:

This specification covers requirements for scale prevention in sewage collection, holding and transfer (CHT) and vacuum CHT (VCHT) piping systems for use on naval surface ships, including the use of scale prevention chemical products and non-chemical (physical treatment) processes and systems to prevent scale formation in shipboard collection sewage piping systems.

intended Use:

All scale prevention systems are intended for preventing the buildup of scale deposits in shipboard sewage drain piping.

Document History

MIL-PRF-32217
November 29, 2011
SCALE PREVENTION IN SEWAGE COLLECTION, HOLDING AND TRANSFER (CHT) AND VACUUM CHT (VCHT) PIPING SYSTEMS FOR USE ON NAVAL SURFACE SHIPS
This specification covers requirements for scale prevention in sewage collection, holding and transfer (CHT) and vacuum CHT (VCHT) piping systems for use on naval surface ships, including the use of...
MIL-PRF-32217
April 27, 2007
SCALE PREVENTION IN SEWAGE COLLECTION, HOLDING AND TRANSFER (CHT) AND VACUUM CHT (VCHT) PIPING SYSTEMS FOR USE ON NAVAL SURFACE SHIPS
This specification covers requirements for scale (see 6.7.5) prevention in sewage (see 6.7.7) collection, holding and transfer (CHT) and vacuum CHT (VCHT) piping systems for use on naval surface...
MIL-PRF-32217 ADMIN NOTICE 1
October 26, 2006
SCALE PREVENTION IN SEWAGE COLLECTION, HOLDING AND TRANSFER (CHT) AND VACUUM CHT (VCHT) PIPING SYSTEMS FOR USE ON NAVAL SURFACE SHIPS
A description is not available for this item.
MIL-PRF-32217
September 18, 2006
SCALE PREVENTION IN SEWAGE COLLECTION, HOLDING AND TRANSFER (CHT) AND VACUUM CHT (VCHT) PIPING SYSTEMS FOR USE ON NAVAL SURFACE SHIPS
This specification covers requirements for scale (see 6.7.5) prevention in sewage (see 6.7.7) collection, holding and transfer (CHT) and vacuum CHT (VCHT) piping systems for use on naval surface...

References

This document references:
ASTM E1003 - Standard Practice for Hydrostatic Leak Testing
Published by ASTM on January 15, 2013
This practice covers the testing of components for leaks by pressurizing them inside with a liquid. This practice can be used on piping, valves, and containers with welded or fitted sections which...
This document references:
SAE AMS3260 - Ethylene-Propylene-Diene (EPDM) Rubber General Purpose 45 - 55
Published by SAE on June 1, 2019
Form This specification covers an ethylene propylene (EPDM) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes. Application This products has been used typically for parts,...
This document references:
ASME B1.1 - Unified Inch Screw Threads (UN and UNR Thread Form)
Published by ASME on January 1, 2019
This Standard specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads. (In order to emphasize that unified screw threads are based on inch modules,...
This document references:
B61 - Standard Specification for Steam or Valve Bronze Castings
May 1, 2015
This specification2 establishes requirements for a highgrade steam-metal or valve-bronze alloy (Copper Alloy UNS No. C922003) used for component castings of valves, flanges, and fittings. The...
This document references:
D785 - Standard Test Method for Rockwell Hardness of Plastics and Electrical Insulating Materials
March 15, 2023
This test method covers two procedures for testing the indention hardness of plastics and related plastic electrical insulating materials by means of the Rockwell hardness tester. The values stated...
This document is referenced by:
A-A-59806A - LIQUID LEVEL SWITCH, SIDE-MOUNTED, FLOAT ARM MAGNET-ACTUATED TYPE, SHIPBOARD SEWAGE AND GRAYWATER SYSTEMS
Published by NAVY on April 13, 2021
This commercial item description (CID) covers the requirements for side-mounted, float arm magnet-actuated, liquid level switches used to indicate discrete points of fluid level.
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