National boilers, radiators, and specialties: catalog no26 . Wool Felt Covering For Hot Water and Low-Pressure Steam Pipes We furnish this covering in any thick-ness, with body of superior wool felt, whichmost steam fitters agree is the best non-conductor for low-pressure heating is lined inside with asbestos paper andis of the highest standard of quality. Asbestos Air Cell Covering For Hot Water and High and Low-Pressure Steam This covering is made of special corru-gated paper. It is a recognized non-con-ductor, thoroughly fire-proof and almostindestructible. It is full quarter-inch a
National boilers, radiators, and specialties: catalog no26 . Wool Felt Covering For Hot Water and Low-Pressure Steam Pipes We furnish this covering in any thick-ness, with body of superior wool felt, whichmost steam fitters agree is the best non-conductor for low-pressure heating is lined inside with asbestos paper andis of the highest standard of quality. Asbestos Air Cell Covering For Hot Water and High and Low-Pressure Steam This covering is made of special corru-gated paper. It is a recognized non-con-ductor, thoroughly fire-proof and almostindestructible. It is full quarter-inch andhas small corrugations, leaving little spacefor confined air. It is light and easilyapplied and will not pinch down inworking. One inch or four-ply is used forhigh:pressure, three-quarter inch or three-ply is used for low-pressure, and one-halfinch or two-ply is used for hot Asbestos Magnesia Sectional MouldedCovering For Steam Pipes and allHigh-Pressure Work Where great strength and durability arerequired, this covering meets requirementsadmirably. The superiority of this cover-ing is due to the excellent quality of allmaterials used and to the special processof construction. The composition includesfibre asbestos, carbonate of magnesia andother fire-proofing materials.
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License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectsteambo, bookyear1920
