Water Handling Equipment Guide - National Wildfire Coordinating ...

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WATER DELIVERY COMPONENTS AND ACCESSORIES Nozzles h. Weight Weight is an important factor, so lightweight material is desirable. Most allbrass nozzles have been eliminated from practical wildland fire use. Nozzles should preferably weigh no more than 2 pounds. Lightweight plastic materials may not withstand higher working pressures and rigorous use under wildland fire applications. i. Cost Simple, trouble-free construction providing the performance listed in items “a” through “h” is necessary. Expensive materials, such as brass, and highly polished or plated hardware and accessories, are not necessary for wildland fire applications. 3. Nozzle types and descriptions For simplicity, nozzles can be grouped into several broad classes. If the nozzle can produce either a straight stream or a spray, it is classed as a combination type. A few nozzles can produce both patterns simultaneously, but their flow requirements are high. The more common types are listed as follows: a. Ball shutoff with tip Representative nozzles in widespread use that meet most of the above requirements are available under Forest Service Specification 5100-240 (nozzle, twin-tip, shutoff, 1-inch base, straight stream and fog tip). Twin tip nozzles are furnished by the Federal Supply Service as catalog item NSN 4210-00-640-1892; Barrel nozzles are available under Forest Service Specification 5100-539 (nozzle with shutoff, combination barrel). A 1-inch base is furnished by the Federal Supply Service as item NSN 4210-01-165-6603. The 12- inch base is furnished as item 4210-01- 167-1123. Type: Single-tip, ball or cylinder lever valve shutoff, 2-inch bore, w-inch GHT outlet for interchangeable tips. Action: Sequence shutoff (lever forward), straight stream or spray. Available from GSA: NSN 4210-00-203- 3519. Weight: Approximately 1 pound, 3 ounces. Base (inlet): 1 inch, 112 NPSH. Material and finish: Smooth sand-cast brass, or forged aluminum. Performance: See twin-tip nozzle performance table for flow and pressure ranges. 167
WATER DELIVERY COMPONENTS AND ACCESSORIES Nozzles b. Smooth bore screw tip c. Twin tip (forester) Type: Plain x-inch, 4-inch and a-inch bore, w-inch GHT outlet, with tip holder bracket. Action: Nonadjustable, interchangeable tips (straight stream or spray). Weight: Approximately 2 pounds, without tips. Length: 7-inch maximum. Base (inlet): 12 inch 9 NH. Material and finish: Smooth sand cast brass or lexan. Performance (flow and pressure): Type: Combination spray, straight stream, 2-inch bore, two w-inch GHT outlets. Action: Sequence shutoff, spray (fog), straight stream. Weight: Approximately 2 pounds, 2 ounces. Length: 7 inch. Base (inlet): 1 inch, 112 NPSH. Material and finish: Brushed cast aluminum alloy, knurled handgrip. Performance (flow and pressure): Nozzle used with straight stream and spray tips (see tables on pages 171 and 172). Available from GSA: NSN 4210-00-640- 1892. Tip Average Minimum size Flow @ 100 psi Horizontal range (inch) (gal/min) (feet) x 10.5 34 4 18.7 40 a 42.1 41 Available: Fire equipment suppliers (see appendix G). 168
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C O O RDINATING G R O U P A Publica
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Water Handling Equipment Guide Fift
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Water Handling Equipment Guide Fift
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CONTENTS IV. APPENDIXES A. Nozzle F
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WATER PUMPING EQUIPMENT Pumps Note:
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WATER PUMPING EQUIPMENT Pumps—Min
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WATER PUMPING EQUIPMENT Pumps —Re
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WATER PUMPING EQUIPMENT Fire Engine
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WATER PUMPING EQUIPMENT Fire Engine
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WATER PUMPING EQUIPMENT Engine Data
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WATER PUMPING EQUIPMENT Water tende
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WATER PUMPING EQUIPMENT Water Tende
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WATER PUMPING EQUIPMENT Nonhighway
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WATER PUMPING EQUIPMENT Trailer-Mou
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Page 136 and 137: WATER DELIVERY COMPONENTS AND ACCES
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Page 186: APPENDIXES A—Nozzle Flow Rates Fl
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APPENDIXES G—Suppliers This secti
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APPENDIXES G—Suppliers General Su
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APPENDIXES G—Suppliers J&J Acquis
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APPENDIXES H—Acronyms and Abbrevi
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APPENDIX I
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APPENDIXES I—Definitions Dacron
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APPENDIXES I—Definitions Oven agi
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APPENDIX J
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APPENDIXES J—Mobile Equipment Inp
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