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2. Friction loss - Wikipedia

   en.wikipedia.org/wiki/Friction_loss

   The three values chosen for friction loss correspond to, in US units inch water column per 100 feet, 0.01, .03, and 0.1. Note that, in approximation, for a given value of flow volume, a step up in duct size (say from 100mm to 120mm) will reduce the friction loss by a factor of 3.

3. Hazen–Williams equation - Wikipedia

   en.wikipedia.org/wiki/Hazen–Williams_equation

   V is velocity (in ft/s for US customary units, in m/s for SI units) k is a conversion factor for the unit system (k = 1.318 for US customary units, k = 0.849 for SI units) C is a roughness coefficient; R is the hydraulic radius (in ft for US customary units, in m for SI units) S is the slope of the energy line (head loss per length of pipe or h ...

4. Hard suction hose - Wikipedia

   en.wikipedia.org/wiki/Hard_suction_hose

   5-inch (13 cm) flex suction hose with Storz fittings, mounted on an engine. Flexible suction hose (Flex suction or suction hose), not to be confused with hard suction hose in U.S., is a specific type of fire hose used in drafting operations, when a fire engine uses a vacuum to draw water from a portable water tank, pool, or other static water source.

5. North American Fire Hose Coupler Incompatibilities - Wikipedia

   en.wikipedia.org/wiki/North_American_Fire_Hose...

   The following hose and coupler combinations are used in U.S. wildland fire fighting. [10] 3 ⁄ 4-inch hose with 3 ⁄ 4-11.5NH ASME threads (Garden Hose Thread) 3 ⁄ 4-inch hose with 3 ⁄ 4-14NPSH ASME threads (USDA 5100-107d specification) 3 ⁄ 4-inch hose with Forestry Coupling (CAN/ULC-S551-13 specification and USDA 5100-192 specification)

6. Fire hose - Wikipedia

   en.wikipedia.org/wiki/Fire_hose

   Fire hose is usually manufactured in a plant that specializes in providing hose products to municipal, industrial, and forestry fire departments. Here is a typical sequence of operations used to manufacture a double jacket, rubber-lined fire hose. [17] Preparing the yarn. There are two different fiber yarns that are woven together to form a ...

7. Why Home Depot Stock Was Sliding Today - AOL

   www.aol.com/why-home-depot-stock-sliding...

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