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Hose Size and Types

Size and Type Lengths Construction Uses
3/4 inch booster hose 50’ or 100’

Rubber lined and covered, Fabric reinforced

1” NST coupling.

“Reel” line used for small grass and debris fires, overhaul.
“Pencil” Line 100’

Fabric jacket,

1” GHT coupling

“Lateral” lines on wildland fires for hoselay protection and mop up.
1” single jacket 50’ or 100’ Rubber lined, fabric jacket, 1” NP coupling “Lateral” lines on wildland fires for hoselay protection and mop up.
1” double jacket 50’ Rubber lined, double fabric jacket, 1” NST coupling Same as above, reserve
1” rubber 50’

Polyester/nylon reinforced, nitrile “thru-the-weave”

rubber outer. 1” NST coupling

Used on Engines without reels for same purpose
1 ½” single jacket 50’ and 100’ Rubber lined, fabric jacket, 1 ½” NST coupling Attack line on wildfires carried rolled in packs
1 ½” double jacket 50’ Rubber lined double fabric jacket, 1 ½” NST coupling

Attack lines, carried as preconnects or in bundles, being replaced by

1 ¾” (see below)

1 ½” rubber 50’ and 100’ Polyester/nylon reinforced, nitrile “thru-the-weave” rubber outer. 1 ½” NST coupling Attack lines from transverse hose beds and 100’ lengths carried in hose packs.
1 ¾” double jacket 50’

Polyurethane “thru-the-weave” liner, polyester

outer jacket, 1 ½” NST coupling.

Attack lines, “preconnects” or “bundles”.
2 ½” double jacket 50’

Polyurethane “thru-the-weave” liner, polyester

outer jacket, 2 ½” NST coupling

Large attack lines, “working” line, small volume supply line.

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