1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 401 Portable Spray Hose Nozzles for Fire-Protection Service STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL CO
2、PYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Portable Spray Hose Nozzles for Fire-Protection Service, UL 401 Fifth Edition, Dated October 16, 2014 Summary of Topics This new revision of UL 401 was issued to incorpora
3、te the following changes: 1. Inlet Pressure Ratings 2. Revisions to Clarify Requirements and Update Testing Details The requirements are substantially in accordance with Proposal(s) on this subject dated May 5, 2017. Text that has been changed in any manner or impacted by ULs electronic publishing s
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8、ards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers comput
9、er system. JUNE 29, 2017 UL 401 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JUNE 29, 2017 UL 401 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL OCTOBE
10、R 16, 2014 (Title Page Reprinted: June 29, 2017) 1 UL 401 Standard for Portable Spray Hose Nozzles for Fire-Protection Service First Edition May, 1978 Second Edition August, 1986 Third Edition August, 1993 Fourth Edition April, 2004 Fifth Edition October 16, 2014 This ANSI/UL Standard for Safety con
11、sists of the Fifth Edition including revisions through June 29, 2017. The most recent designation of ANSI/UL 401 as an American National Standard (ANSI) occurred on June 29, 2017. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, and Title Page. Comments or proposals f
12、or revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at https:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a St
13、andard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2017 UNDERWRITERS LABORATORIES INC. ANSI/UL 401-2017UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUC
14、TION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JUNE 29, 2017 PORTABLE SPRAY HOSE NOZZLES FOR FIRE-PROTECTION SERVICE - UL 401 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .4 2 Component
15、s 4 3 Units of Measurement .5 4 Undated References 5 5 Glossary .5 CONSTRUCTION 6 General 6 7 Materials .6 8 Controls .7 PERFORMANCE 9 General 7 10 Discharge Calibration Test 7 11 Discharge Pattern Test .8 12 Discharge Pattern Test for Nozzles Rated for Class C Fires 9 13 Clogging Test .9 14 Tests o
16、n Controls 9 15 Tests on Hand Holds, Hand Grips and Ladder Hooks .11 16 High Temperature Test 11 17 Low Temperature Test 11 18 Rough Usage Test 11 19 Leakage Test 12 20 Hydrostatic Pressure Test .12 21 Salt Spray Corrosion Test .12 22 10-Day Moist Ammonia Air Stress Cracking Test .13 23 Polymeric No
17、zzle Tests 14 23.1 General .14 23.2 Air-oven aging test .14 23.3 Light and water exposure test 14 23.4 Water exposure test 15 24 Elastomeric Parts (Except Inlet Connection Gaskets) Test .15 MANUFACTURING AND PRODUCTION TESTS 25 General 15 26 Body Strength and Leakage Test .15 MARKING 27 General 16 A
18、PPENDIX A Standards for ComponentsA1 JUNE 29, 2017 PORTABLE SPRAY HOSE NOZZLES FOR FIRE-PROTECTION SERVICE - UL 401 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover portable hand line spray h
19、ose nozzles intended for general re ghting or for use with re hose mounted on standpipe systems. 1.2 Requirements for the installation and use of spray nozzles used in standpipe systems are intended to be in accordance with the Standard for Standpipe, and Hose Systems, NFPA 14. 1.3 Nozzles covered b
20、y this Standard are intended to be inspected and maintained in accordance with Standard for the Inspection, Care and Use of Fire Hose, Couplings and Nozzles and the Service Testing of Fire Hose, NFPA 1962, and the Standard for the Inspection, Testing and Maintenance of Water-Based Fire Protection Sy
21、stems, NFPA 25, when used in standpipe systems. 1.4 Nozzles covered by this Standard are intended for use on: a) Class A common combustibles such as wood and paper, and B ammable liquid res; or b) Class A, B, and C, if suitable for use on electrically energized res. 2 Components 2.1 Except as indica
22、ted in 2.2, a component of a product covered by this standard shall comply with the requirements for that component. See Appendix A for a list of standards covering components generally used in the products covered by this standard. 2.2 A component is not required to comply with a specic requirement
23、 that: a) Involves a feature or characteristic not required in the application of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 2.3 A component shall be used in accordance with its rating established for the intended conditions of use.
24、2.4 Specic components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specied limits, and shall be used only under those specic conditions. OCTOBER 16, 20
25、14 PORTABLE SPRAY HOSE NOZZLES FOR FIRE-PROTECTION SERVICE - UL 401 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 3 Units of Measurement 3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or a
26、pproximate information. 4 Undated References 4.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard. 5 Glossary 5.1 For the purpose of these requirements, the following denitions
27、apply. 5.2 BASIC SPRAY NOZZLE An adjustable pattern spray nozzle in which the rated ow is delivered at a designated nozzle pressure and pattern setting. Due to its basic design, as the pattern is changed from straight stream through a wide spray pattern, the ow rate will vary as well as the nozzle p
28、ressure due to variations in area of the ow path. 5.3 CONSTANT FLOW (GALLONAGE) SPRAY NOZZLE An adjustable pattern nozzle in which the ow is delivered at a designed nozzle pressure. At the rated pressure the nozzle will deliver a constant gallonage from straight stream through a wide spray pattern.
29、This is accomplished by maintaining a constant orice size during ow pattern adjustment. 5.4 CONSTANT PRESSURE (AUTOMATIC) SPRAY NOZZLE An adjustable pattern nozzle in which the pressure remains constant through a range of ows. The constant pressure provides the velocity for an effective stream reach
30、 at various ow rates. This is accomplished by means of a pressure-activated, self-adjusting orice. 5.5 CONSTANT/SELECT FLOW (GALLONAGE) SPRAY NOZZLE A nozzle with a feature that allows the operator to manually adjust the orice to change the ow rate to a predetermined ow. The ow remains constant thro
31、ughout the range of pattern selection from straight stream to wide spray. 5.6 FLUSH/CLOGGING FEATURE A feature in a nozzle that allows the orice to be opened so that small debris (which might otherwise be trapped in the nozzle causing pattern disruptions and ow variation) can pass through. When the
32、ush feature is engaged, the nozzle pressure may drop and the pattern may deteriorate. 5.7 RATED INLET PRESSURE The maximum intended pressure at the nozzle inlet connection. 5.8 RATED FLOW(S) The nominal ow or ows specied by the manufacturer at which a nozzle is intended to discharge water at the rat
33、ed pressure. 5.9 RATED OPERATING PRESSURE The pressure specied by the manufacturer at which a nozzle is designed to discharge the rated ow. 5.10 SPRAY NOZZLE/SPRAY NOZZLE ASSEMBLY A nozzle that has a water ow control feature that will provide both full discharge and ow shutoff. This control device m
34、ay be a permanently mounted valve or a break-apart shutoff butt assembly. 5.11 WIDE OPEN POSITION Nozzle setting that generally provides for the maximum ow through the nozzle. JUNE 29, 2017 PORTABLE SPRAY HOSE NOZZLES FOR FIRE-PROTECTION SERVICE - UL 401 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR F
35、URTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONSTRUCTION 6 General 6.1 A nozzle shall have inlet threads in accordance with the Standard for Screw Threads and Gaskets for Fire Hose Connections, NFPA 1963, unless otherwise specically ordered to t existing equipment. If the female e
36、nds are provided with threads other than those specied in NFPA 1963, there shall be a minimum of 2-1/2 threads. 6.2 The outer ends of all internal threads dened as American National Fire Hose Connection Screw Threads (also known as NST and NH) shall be terminated by the blunt start or Higbee Cut on
37、the full thread to facilitate coupling and to avoid crossing and mutilation of thread. 6.3 Each nozzle shall be provided with a resilient gasket tted in the recess in the nozzle. The gasket shall have dimensions in accordance with the Standard for Screw Threads and Gaskets for Fire Hose Connections,
38、 ANSI/NFPA 1963. Gaskets and washers shall not project into the waterway. 6.4 A nozzle shall have a nominal inlet size of 3/4 inch (19.1 mm) or larger with a rated ow of less than 350 gpm (1325 l/min) while discharging water at 100 psig (690 kPa). 6.5 Nozzles covered by these requirements shall have
39、 a rated operating pressure not less than 50 psig (345 kPa) for nozzles having a nominal inlet size of 1 inch (38.1 mm) or smaller, and not less than 85 psig (586 kPa) for nozzles having a nominal inlet size larger than 1 inch (38.1 mm). 6.6 Nozzles covered by these requirements shall have a rated i
40、nlet pressure of not less than 175 psig (1207 kPa). 6.7 A nozzle rated for use on Class C res shall be constructed to comply with the Discharge Pattern Test for Nozzles Rated for Class C Fires, Section 12. 7 Materials 7.1 A nozzle shall be constructed of materials having corrosion resistance at leas
41、t equivalent to brass, bronze, Series 300 stainless steel or aluminum. 7.2 A nozzle constructed of a metallic body or hose connection material other than brass or bronze shall be subjected to the Salt Spray Corrosion Test, Section 21. 7.3 A copper-alloy part containing more than 15 percent zinc shal
42、l comply with the requirements in the 10-Day Moist Ammonia Air Stress Cracking Test, Section 22. 7.4 A plastic material used to construct a nozzle or nozzle part shall comply with the Polymeric Nozzle Tests, Section 23. Exception: A nozzle or nozzle part constructed of polytetrauoroethylene shall no
43、t be required to comply with the Polymeric Nozzle Tests. JUNE 29, 2017 PORTABLE SPRAY HOSE NOZZLES FOR FIRE-PROTECTION SERVICE - UL 401 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 7.5 An elastomeric seal shall comply with the Elastomeri
44、c Parts (Except Inlet Connection Gaskets) Test, Section 24. 8 Controls 8.1 A control shall be permitted to be any type complying with the requirements in this Standard. 8.2 A nozzle equipped with a ush feature shall have a separate control or detent, or shall require increased force, to indicate to
45、the reghter when the ush feature is being engaged. 8.3 A push-pull type shutoff or pattern control shall be off or straight stream toward the forward (exit end) of the nozzle. 8.4 A rotational control shall transverse from wide angle spray pattern to narrow spray, to straight stream, and to shut off
46、 position on nozzles so equipped, in a clockwise manner when viewed from the rear of the nozzle. 8.5 A trigger type control shall facilitate opening the nozzle when squeezed and closing the nozzle when released. PERFORMANCE 9 General 9.1 Representative nozzle samples of each size are to be subjected
47、 to the applicable requirements of Sections 10 23. 10 Discharge Calibration Test 10.1 When tested in accordance with 10.2 10.6, as applicable: a) A basic spray nozzle shall discharge (1) not less than the rated ow in at least one position within the range of adjustment and (2) not more than 10 perce
48、nt above the rated ow in both the straight stream and wide angle spray pattern settings when tested at the rated operating pressure. See 10.3. b) A constant ow (gallonage) spray nozzle shall discharge not less than the rated ow, nor more than 10 percent above the rated ow throughout the entire range
49、 of pattern settings from straight stream to wide angle spray when tested at the rated operating pressure. c) A constant pressure (automatic) spray nozzle shall maintain the rated operating pressure within 15 psig (103 kPa) throughout the rated ow range. A constant pressure nozzle that is also identied as a constant ow nozzle shall comply with this requirement through the entire range of pattern settings from straight stream to wide angle spray. d
