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1、ASSE Standard #I 81 7-2883 Peormance e u rements for Temperature Actuated ng vaives for Hot water s t r u t o n Systems Errata Skeet Issued: August 2,2884 32.2 Proced Ure Install the device as shown in Figure 1 Supply water at 140.0 “F 0 2.0 “F (60,O C 0 I .I “C) tu the hot water inlet; and supplywa
2、terbetween40.0-70.0 “F(4.4 “C-21 .I “CjtothecoldIsiaterinlet. Maintainthecold waterfemperafure to within 0 2 0 F (2 1 .I “C) for the duration of the test. With V2 fully open, interactively adjust VI I the device outlet temperature adjustment and the hot and cold supply pressures so that both PI and
3、$2 are at45.0 psi 2 1 .O psi (310.3 kPa k 6.9 kPa), $3 is at 35.0 psi k I .O psi (241.3 kPa 0 6.9 kPal i e a pressure differential between PI and P3 and between P2 and $3 is 10.0 psi t 0.5 psi (689 kPa 2 3.4 kPa) and the mixed water temperature at T3 is 110.0 “F 2 2.0 F (43.3 “C 2 I .I C). a, AlIuvw
4、atertsflowforone(l) minute. Wecordtheflow,thetemperaturesatTl I T2and T3andthepressures at PI, $2 and P3. b. Using V2, reduce the mixed water flow by 50%. Allow water to flow for one (I) minute. Record the flow, the temperatures at TI, T2 and T3 and the pressures at PI P2 and $3. c. Increase the tem
5、perature of the hot water supply by 25.0 O F 0 1 .O “F (13.8 “C 0 OX “C) within five (5) minutes. Allow water to flow for one (I) minute. Record the flow, the temperatures at TI, T2 and T3 and the pressures at PI P2 and $3. d. Fully open V2. Allow water fa flow for one (1 j minute. Remrd the flow, t
6、he temperatures at TI, T2 and T3 and the pressures at PI, $2 and P3. Copyright American Society of Sanitary Engineering Provided by IHS under license with ASSE Licensee=University of Texas/5626000001 Not for Resale, 12/24/2006 00:27:23 MSTNo reproduction or networking permitted without license from
7、IHS -,-,- Copyright American Society of Sanitary Engineering Provided by IHS under license with ASSE Licensee=University of Texas/5626000001 Not for Resale, 12/24/2006 00:27:23 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright American Society of Sanitary Engineerin
8、g Provided by IHS under license with ASSE Licensee=University of Texas/5626000001 Not for Resale, 12/24/2006 00:27:23 MSTNo reproduction or networking permitted without license from IHS -,-,- Neither this standard, nor any portion thereof, may be reproduced without the written consent of the America
9、n Society of Sanitary Engineering. No productmaybesaidto be ASSEapproved unlessthe manufacturer hasappliedtotheASSE has had his product tested according to the applicable ASSE Standards, and when the product has passed the test, displays the ASSE Seal on the product. Instructions for receiving the a
10、uthorization to display the Seal are available from ASSES ASSE Standard numberon the cover page first and in equal or largertypetothatoftheadopting International office. organizations wishing to adopt or list any ASSE Standard should print the or listing organization. American Society of Sanitary En
11、gineering Westlake, Ohio All rights reserved. Copyright o 2003,1998,1986,1979,1976 Temperature Actuafed Mbing Vaives F o r fiof Water Disfribufjsn Systems ASSE#1017-2003 Copyright American Society of Sanitary Engineering Provided by IHS under license with ASSE Licensee=University of Texas/5626000001
12、 Not for Resale, 12/24/2006 00:27:23 MSTNo reproduction or networking permitted without license from IHS -,-,- Temperature Actuated Mixing ira1ves for Hol Water Distribution Systems ASSE #1 01 7 - 2003 Copyright American Society of Sanitary Engineering Provided by IHS under license with ASSE License
13、e=University of Texas/5626000001 Not for Resale, 12/24/2006 00:27:23 MSTNo reproduction or networking permitted without license from IHS -,-,- The foreword shall not be considered a part of this standard; however it is offered to provide background information. In the interestofconsumersafety, this
14、standard was originally issued in April, 1 976; accepted by American National Standards Institute (ANS) in 1979 and revised in April 1986, 1 998, and 2003. Water mixing (also defined as tempering or blending) valves are used extensively in domestic building distribution piping system. seBviee applic
15、ations to mix hot and cold water to reduce high service water temperature to the This class of valve shall be installed at the hot water source:. These devices are designed for primaryautomaticcontrol ofthe hotwaterdistribution temperature within a reasonable degree of uniformity. To provide final t
16、emperature control, ASSE 1 01 7 devicesshould besupplemented by a point-of- use device or in-line device designed to control final temperature control. High temperature limit alarms and/ortemperature limiting devices may also be used to further control point of use water tem peratu re. Recognition i
17、s made ofthetimevolunteered by members ofthisworking group and ofthesuppofi of the manufacturers who also participated in the meetings forthis standard. This standard does not imply PtbaSEs endorsement of a product which conforms to these req u i re me nts. Compliance with this standard does not imp
18、ly acceptance by any code body. This standard was promulgated in accordance with procedures developed by the American National Standards lnstitute (ANSI). Temperature Actuafed Mbing Vaives F o r fiof Water Disfribufjsn Systems ASSE#1017-2003 Copyright American Society of Sanitary Engineering Provide
19、d by IHS under license with ASSE Licensee=University of Texas/5626000001 Not for Resale, 12/24/2006 00:27:23 MSTNo reproduction or networking permitted without license from IHS -,-,- Richard J. Prospal Sfandards Commifiee Chaiman Reliance Mechanical Cleveiand, Ohio Rand Hm k r s y d Rand Engineerjng
20、 Ne igpijrwatertemgerature varia- tions required in Lhe test procedure. 9) When the device on test utilizes a remote sensing element, the serisiiig element shall be iristailed in accordance with the manuiadtirers recommendations. (2) ( S I When recommended Sythe mariufacturer. checkvalues shall be i
21、nstalied as pai% of the test piping assembly (5) Under proper installabon ofthe device for this sewice, stqply pressdres to the device are idevtical (5) Pipirig shall be at least as large as ccrinections of the device except that ourlets shall not be Fiore than two (21 pipe sires larger than the out
22、let sire ofthe valve Deeioped iength from the outlet dthe derice toT3 (At B t C l shail not exceed 8 ieet (2 4 m) (7 3 . 1 . 3 criteria Any leaks or indication of change in the physical characteristics ofthe materials which prevent full compliance with any subsequent tests in this standard shall res
23、ult in a rejection ofthe device. 4 Temperature Actuated Mixing ira1ves for Hol Water Distribution Systems ASSE #1 01 7 - 2003 Copyright American Society of Sanitary Engineering Provided by IHS under license with ASSE Licensee=University of Texas/5626000001 Not for Resale, 12/24/2006 00:27:23 MSTNo r
24、eproduction or networking permitted without license from IHS -,-,- 3.2.4 Purpose The purpose ofthis test is to verify thatthe mixed watertemperatures are automatically maintained within the variations shown in Table 1 I 3.0-5.0 I 11.3-18.9 I 3.0 I I .7 I I Ovei.50-40.0 1 Over18.9- 151.4 1 5 0 I 2.8
25、I I Over40,O 1 Over151.4 1 7,O I 3.9 I 3 . 2 . 2 Procedure Install the device as shown in Figure I . Supply water at 140.0 “F e 2.0 “F (60.0 “C I I .I “C) tothe hot water inlet; and supply water between 40.0 - 70.0 “F (4.4 “C - 21 .I O C ) to the cold water inlet. Maintain the cold water temperature
26、 to within f 2.0 “F (I 1 .“I “C) forthe duration of the test, With V2 fully open. interactively adjustV1 the device outlet temperature adjustment and the hot and cold supply pressures so that both PI and $2 are at45.0 psi I 1 .O psi (310.3 kPa I 6.9 kPa), P3 is at 35.0 psi e 1 .O psi (241.3 kPa f 6.
27、9 kPa) i.e. a pressure differential beiween P1 and P3 and between P2 and $3 is 10.0 psi f 0.5 psi (68.9 kPa f 3.4 kPa) and the mixed water temperature at T3 is 110.0 “F f 2.0 “F 143.3 “C I 1 .I “C). a. b. 6. d. e. Allowwatertofluwforsne jl) minute. Recordti-teflsw,thetemperatures at TI, T2 and T3and
28、 the pressures at PI, P2 and P3. UsingV2, reducethe mixed waterflow by50%. Ailowwatertoflowforonel minute. Record the flsw. the temperatures at TI T2 and T3 and the pressures at PI, P2 and P3. Increasethetemperatureofthe hotwatersupply by25.0 “FI 1.0 “F (13.8 “CI 0.6 “C)within five (5) minutes. Allo
29、wiFJatertoflowforone(1) minute. Remrd the flow, thetemperatures atT1, T2 and T3 and the pressures at PI, P2 and P3. Fullyopen V2. Al1oiFJv;atertoflowforsne (I) minute, Remrd theflsw. thetemperatures atT1, T2 and T3 and the pressures at PI, P2 and $3. Whentheflow in StepCexceedsthe manufacturers mini
30、mum advertisedflow, adjustthedevice tothe manufacturers minimum flow, returnthe hotwatersupplyto 140.9 “F (60.0 “Cj. and re- run Step c. 3.2.3 criteria Failure to comply with the permissible temperature variations for flows and pressure differentials shown in Table 1 shall result in a rejection of t
31、he device. Temperature Actuafed Mbing Vaives F o r fiof Water Disfribufjsn Systems ASSE#1017-2003 Copyright American Society of Sanitary Engineering Provided by IHS under license with ASSE Licensee=University of Texas/5626000001 Not for Resale, 12/24/2006 00:27:23 MSTNo reproduction or networking pe
32、rmitted without license from IHS -,-,- 3.3.1 Purpose The purpuse afthis test istoveriSthatthedevice can withstand a hydrusfatic pressurefestof500.0 psi (3447X kPa) withuut any leakage. 3.3.2 Procedure Withtheoufletjsj blucked and seating memberjs) fullyapen, pressurinethe devices bodywith cold water
33、tu500.0 psi (3447.6 kPaj. Huldthis pressurefura period uffive(5) minutes. Observethedevice for leakage. 3.3.3 criteria Any leakage thruugh the valve bsdy shall result in a rejectisn ufthe device, 6 Temperature Actuated Mixing ira1ves for Hol Water Distribution Systems ASSE #1 01 7 - 2003 Copyright A
34、merican Society of Sanitary Engineering Provided by IHS under license with ASSE Licensee=University of Texas/5626000001 Not for Resale, 12/24/2006 00:27:23 MSTNo reproduction or networking permitted without license from IHS -,-,- Metal alloys in contact with potable watershall not exceed 8% lead con
35、tent. Solders and fluxes in contact with potable water containing lead in excess of 02% shall not be used. 4.2.1 each device, Instructions for installing, adjusting and maintaining the device shall be included with 4.2.2 information: a. Devicesize. b. Temperature range or maximum setting. c, Maximum
36、 working pressure. The packaging or installation instructions for the device shall include the following 4-23 The instructions shall indicatethatthe installation and field adjustment ofthedevice are the responsibility ofthe installer and shall be carried out in accordance with the manufacturers inst
37、ructions, 42.4 device is in sewice. External meansfortemperature adjustment, when provided, shall beaccessiblewhilethe 4.2.5 disturbing the pipe connections. Internal controlling components shall be accessible for repair andlor replacement without 4.2.6 provided. When the device does not incorporate
38、 integral check valves, check valves shall be 4,3.1 visible in the installed position. a, Nameofmanufacturerortrademark, b. Modelnumber. c. Hot and cold indications on inlets. Each device shall havethe following information marked on it and all markings shall be 4.3.2 The markings shall beeither cas
39、t, etched, stamped, engraved or permanently inked on the body ofthe device, or on a brass or stainless steel plate securely attached to the device with a corrosion resistant means; or on a decal attached by adhesive that shall secure it permanently to the device. 4.3.3 identified and permanently mar
40、ked with its means of operation, The external valveoutlettemperature adjusting device, when provided, shall be clearly Temperature Actuafed Mbing Vaives F o r Hof Water Disfribufjsn Systems ASSE#1017-2003 7 Copyright American Society of Sanitary Engineering Provided by IHS under license with ASSE Li
41、censee=University of Texas/5626000001 Not for Resale, 12/24/2006 00:27:23 MSTNo reproduction or networking permitted without license from IHS -,-,- Definitions in the standard shalltake pPecedenceoveranyothep publication Definitions not shown are found in the Plumbing Dictioifary (Fifth Edition) pub
42、lished by ASSE. 8 Temperature Actuated M i x h ira1ves for Hol Water Distributhm Systems ASSE #1 01 7 - 2003 Copyright American Society of Sanitary Engineering Provided by IHS under license with ASSE Licensee=University of Texas/5626000001 Not for Resale, 12/24/2006 00:27:23 MSTNo reproduction or ne
43、tworking permitted without license from IHS -,-,- Copyright American Society of Sanitary Engineering Provided by IHS under license with ASSE Licensee=University of Texas/5626000001 Not for Resale, 12/24/2006 00:27:23 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright American Society of Sanitary Engineering Provided by IHS under license with ASSE Licensee=University of Texas/5626000001 Not for Resale, 12/24/2006 00:27:23 MSTNo reproduction or networking permitted without license from IHS -,-,-
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