NPFC - MIL-PRF-32514
INSULATION, ANTI-SWEAT, REFRIGERANT, AND THERMAL FOAM
|Publication Date:||12 June 2015|
This specification establishes the requirements for anti-sweat, refrigerant, and thermal foam insulation (see 6.1 and 6.6.2) for use on piping, pipe components, ventilation ducts, and machinery. This material is not approved for use on bulkheads, decks, or other surfaces.
Classification. Insulation is of the following types, grades, classes, and forms, as specified (see 6.2).
a. Type I: Anti-sweat and refrigerant insulation for piping, pipe components, and machinery (surface ships and submarines)
b. Type II: Thermal insulation for hot piping applications (180 °F maximum for submarines and 300 °F maximum for surface ships)
c. Type III: Thermal insulation for ventilation ducts
a. Grade A: For unlagged applications
b. Grade B: For lagged applications
a. Class 1: -20 to 180 °F maximum operating temperature
b. Class 2: -20 to 300 °F maximum operating temperature
a. Form 1: Tubular
b. Form 2: Sheet
Purpose. The NAVSEA Chief Engineer's (CHENG's) intent for issuing reference (a) is to provide a non-proprietary procurement specification for affordable, easy-to-handle insulation for piping, machinery, ventilation ducts, and anti-sweat refrigerant lines.
The insulation covered by this specification is intended for anti-sweat, refrigerant, and thermal insulation only and may be used in either sheet or tubular form. The insulation is intended for... View More
The insulation covered by this specification is intended for anti-sweat, refrigerant, and thermal insulation only and may be used in either sheet or tubular form. The insulation is intended for piping systems or ventilation duct applications operating at temperatures from -20 to 300 °F. This insulation has low thermal conductivity and is serviceable at operating temperatures. This material is not approved for use on bulkheads, decks, or other surfaces.View Less