ANSI ASME A112 36 2M-1991 Cleanouts《清除口》.pdf

1、 Intentionally left blank - AN AMERICAN NATIONAL STANDARD Cleanouts ASME AI 12.36.2M-1991 (REVISION OF ANSI A1 12.36.2M-1983) The American Society of Mechanical Engineers 345 East 47th Street, New York,N.Y. 10017 Date of Issuance: April 30, 1992 This Standard will be revised when the Society approve

2、s the issuance of a new edition. There will be no addenda or written interpretations of the requirements of this Standard issued to this edition. ASME is the registered trademark of The American Society of Mechanical Engineers. This code or standard was developed under procedures accredited as meeti

3、ng the criteria for American National Standards. The Consensus Committee that approved the code or standard was balances to assure that individuals from competent and concerned interests have had an opportunity to participate. The proposed code or standard was made available for public review and co

4、mment which provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large. ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity. ASME does not take any position with respect to the validity o

5、f any patent rights asserted in connection with any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable Letters Patent, nor assume any such liability. Users of a code or standard are expressly advised tha

6、t the determination of the validity of any such patent rights, and the risk of the infringement of such rights, is entirely their own responsibility. Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted as government or industry endorsement

7、 of this code or standard. ASME accepts responsibility for only those interpretations issued in accordance with governing ASME procedures and policies which preclude the issuance of interpretations by individual volunteers. No part of this document may be reproduced in any form, in an electronic ret

8、rieval system or otherwise, without the prior written permission of the publisher. Copyright 0 1992 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A. (This Foreword is not part of ASME A1 12.36.2M-1991.) The common cleanout is one of the most important, yet freque

9、ntly neglected, items in the plumbing system. The cleanout provides access to horizontal and vertical lines and stacks to facilitate inspection and the removal of obstructions. Early in the development of plumbing systems the need for cleanouts was realized. This need was met by placing a tee or sim

10、ilar fitting in the line with a loosely set cover over the branch opening. Escaping sewer gas and admission of surface water into the sewer proved this arrangement unsatisfactory and led to the development of the cleanout with bolted gasketed cover and to the present day common cleanout, which norma

11、lly consists of an iron body or ferrule with a tapered brass plug. The inadequacy of such devices is evident upon examination. They comply only with the very minimum requirements. Existing standards are not sufficiently specific regarding weight, strength, finish, and location or installation of cle

12、anouts. Some results are plugs which cannot be removed or break upon removal, inadequate tool openings, and hazardous protruding heads in work areas. Cleanouts in general should be gas and watertight; provide quick and easy plug removal; allow ample space for rodding tools; have means of adjustment

13、to finish floor level; be attractive in appearance; and be designed to support whatever traffic is directed over them. The benefits of basic design standards were apparent to cleanout manufacturers and a study was initiated as an industry effort in 1961. Prior to the completion of this work, the Ame

14、rican National Standards Committee A1 12, Standardization of Plumbing Materials and Equipment, was organized and Panel No. 36 of this committee was assigned the responsibility to develop standards for cleanouts. The first meeting was held on September 12, 1967. A rough draft of this Standard was sub

15、mitted March 20, 1968 to the Task Force members. Revisions were made and the proposed Standard was submitted to members of Panel No. 36 for their approval. Following approval of the proposal by the Panel, the American National Standards Committee A1 12, and the A1 12 Secretariat, this draft was adop

16、ted as an American National Standard by the American National Standards Institute on February 11, 1975. This Standard was reviewed in 1989 resulting in minor changes, additions, and clarifications. The revised document was approved by Panel 36, the All2 Standards Committee, and the Secretariat. Subs

17、equently this modified version was adopted by the American National Standards Institute on August 16, 1991. Suggestions for improvement of this Standard are welcomed. They should be sent to the American Society of Mechanical Engineers, United Engineering Center, 345 East 47th Street, New York, N.Y.

18、10017. . 111 Intentionally left blank ASME STANDARDS COMMIITEE A112 Standardization of Plumbing Materials and Equipment (The following is the roster of the Committee at the time of approval of this Standard.) OFFICERS P. J. Higgins, Chairman P. D. Stumpf, Secretary COMMITTEE PERSONNEL J. A. Ballanco

19、, Building Officials and Code Administrators International, Country Club Hills, Illinois S. L. Cavanaugh, Water Control International, Inc., Wixom, Michigan A. Cohen, Copper Development Association, Inc., Greenwich, Connecticut D. F. Dickerson, Donald F. Dickerson Associates, Panorama City, Californ

20、ia T. S. Gable, National Sanitation Foundation, Ann Arbor, Michigan L. S. Galowin, National Institute for Standards (b) nomenclature; (c) connection and closure types; (d) covers and frames; (e) materials and finishes; (f) variations and accessories. 1.2 Purpose The purpose of this Standard is to es

21、tablish the basic requirements of cleanouts for the guidance of manufacturers, distributors, and purchasers so that these products may be made available in both quality and design adequate to serve the purpose intended. It is not intended for use as a specification guide. CAUTION: Figures used in th

22、is Standard are intended only to describe and portray typical floor and wall type cleanouts and are not intended to restrict design or to be used for specification purposes. 2 DEFINITIONS accessible - accessible shall mean having access to the floor or wall cleanout but which first may require the r

23、emoval of an access panel, door, or similar obstruction floor cleanout - a plumbing fitting designed to provide access through the floor or slab to drainage piping, for the purpose of cleaning or inspection wall cleanout - a plumbing fitting designed to provide access through the wall to drainage pi

24、ping for the purpose of cleaning or inspection 3 NOMENCLATURE Figures 1 through 4 relate nomenclature to the physical locations on the cleanout. Cover , Frame Adjustable housing / Plug - Spigot ferrule FIG. 1 CLEANOUT WITH ADJUSTABLE HOUSING AND SPIGOT CONNECTION 4 CONNECTION AND CLOSURE TYPES 4.1 O

25、utlet Connections 4.1.1 Threaded. All threaded outlet connections shall be American Standard Taper Pipe Threads for general use (NPT) and shall conform to the minimum dimensions shown in Table 1. 4.1.2 Inside Caulk. All inside caulk outlet connections for connection to plain or spigot end of soil pi

26、pe by means of caulked lead joint or gasket shall conform to the minimum dimensions shown in Table 2. 4.1.3 Spigot. All spigot outlet connections shall conform to the spigot end dimensions shown in American National Standard for Cast Iron Soil Pipe and Fittings, ANSI A112.5.1, and Cast Iron Soil Pip

27、e Institute Standard No. 301, Cast Iron Soil Pipe and Fittings for Hubless Cast Iron Sanitary System. 1 ASME A1 12.36.2M-1991 CLEANOUTS Cover I Frame Adjustable housing Clamping device FIG. 2 CLEANOUT WITH THREADED ADJUSTABLE HOUSING AND INSIDE CAULK CONNECTION Tractor cover FIG. 3 CLEANOUT WITH HEA

28、VY DUTY ADJUSTABLE HOUSING AND SPIGOT CONNECTION TABLE 1 MINIMUM DIMENSIONS FOR THREADED OUTLET CONNECTIONS Nominal Pipe Size, in. 1 /2 2 2 12 3 4 5 6 A in. in. mm in. mm + NPT B D - / 1 12 25 59 16 11 D 2 2a 73 716 11 2 112 33a 86 5e 16 3 4s 105 4 24 19 5s 130 1316 21 5 64 159 8 22 6 74 184 1 25 t

29、TABLE 2 MINIMUM DIMENSIONS FOR INSIDE CAULK OUTLET CONNECTIONS Nominal A B Pipe Size, in. in. mm in. mm 2 2 12 64 3 76 3 3 51s 92 4,a 105 4 45% 1 1 7 5:s 130 5 551s 143 61s 156 6 65/s 168 7;s 181 7/32 in. 15.6 rnrn) 2 CLEANOUTS ASME A1 12.36.2M-1991 Cleanout tee Plug x L FIG. 4 CLEANOUT TEE WITH ACC

30、ESS COVER Gasket Straigh; thread I closure plug FIG. 5 STRAIGHT THREAD GASKET CLOSURE - Plug size-+ Tapered thread closure plug FIG. 6 TAPERED THREAD CLOSURE TABLE 3 MINIMUM PLUG SIZE REQUIREMENTS, SPECIFIC PIPE SIZES Nominal Pipe Size, in. 2 3 4 5 6 Nominal Pipe Size, mm 51 76 102 127 152 Nominal P

31、lug Size, in. I I Threaded 2 Y2 2 Y2 3Y2 5 4 4 6 5 5 Nominal Plug Size, mm Inside Caulk Spigot Threaded 51 38 38 76 64 64 102 89 89 127 102 102 152 127 1 27 4.1.4 Tolerances. All dimensions given in Tables 1 and 2 and the associated figures are subject to standard commercial tolerances of +1/16 in.(

32、+1.6 mm). 4.2 Closure Types See Table 3 for minimum size requirements. 4.2.1 Straight Thread Gasket Closure. Figure 5 shows tapered shoulder gasket seal type plug with NPSL threads, either raised or countersunk, with provision for cover either raised or countersunk, with provision for cover securing

33、 screw, where required. The gasket is to be lead or elastomer material in order to provide a gas tight seal. 4.2.2 Tapered Thread Closure. Figure 6 shows a plug with NFT threads. It may be either raised head or countersunk with provision for cover securing screw, where required. The seal is formed b

34、y makeup of threads. 5 FRAME AND COVER TYPES 5.1 Integral With Housing (See Figs. 1 and 2.) 5.1.1 Scoriated. Round or square marked with grooves in checkered pattern to provide slip resistant surface. 3 ASME A1 12.36.2M-1991 CLEANOUTS 5.1.2 Plain. Round or square polished surface. 6.2.1 Load classif

35、ications as stated in 6.1 are to be 5.1.3 Tile. Cover recessed for installation of determined by laboratory tests. composition tile. 6.2.2 Platen Size. A 3.5 in. (89 mm) diameter platen shall be applied to the center of the cover 5.1.4 Terrazzo. Cover recessed for installation specimen. of poured te

36、rrazzo. 6.2.3 Loading is to be applied slowly so that point 5.1.5 Secured. Cover fastened to frame with of failure can be observed. slotted or vandal-proof screws. 6.2.4 Point of Failure 5.2 Separate Access 5.2.1 Terms defined in 5.1.1 through 5.1.5 shall also apply to separate access type. 5.2.2 Ac

37、cess Door. Square or rectangular frame with hinged door, with cam or key activated cylinder lock and anchoring device. 5.2.3 Access Cover. Round or square cover only, less frame with center screw for securing to cleanout plug. 6 TOP LOADING - CLASSIFICATION 6.1 Loading Classifications Covers and top

38、 rims are to be designed to meet the following loading classifications. 6.1.1 Light Duty. All covers having safe live load (as calculated in6.2.5under 2000 lb (900 kg). 6.1.2 Medium Duty. All covers having safe (900 kg) and 4999 lb (2250 kg). 6.1.3 Heavy Duty. All covers having safe live load (as ca

39、lculated in 6.2.5) between 5000 lb (2250 kg) and 7400 Ib (3375 kg) 6.1.4 Extra Heavy Duty. All covers having safe live load (as calculated in 6.2.5) between 7500 lb (3375 kg) and 10,000 lb (4500 kg). 6.1.5 Special Duty. Covers having safe live load (as calculated in 6.2.5) over 10,000 lb (4500 kg) s

40、hould be considered special and treated accordingly. 6.2 Test Procedures for Cover Loading Requirements listed in 6.1.1, 6.1.2, 6.1.3, and 6.1.4 shall be determined as follows. (a) Brittle Materials (Cast Iron). The load in lb (kg) at which the first fracture on any part of the specimen appears. (b)

41、 Ductile Material. The load which the permanent set (at the point of loading) is greater than 2% of the longest transverse dimension of the specimen. 6.2.5 Safe Live Load. The maximum safe live load is computed by dividing the load at failure by two. 7 MATERIALS AND FINISHES 7.1 Materials The items

42、covered in this Standard shall be of materials suitable for production, installation and service intended which meet all applicable requirements and standards given herein. It is not the intent of this Standard to limit acceptable materials to those included in this Section. The use of other materia

43、ls of comparable performance is permissible. All castings shall be sound, free of blow holes (holes in casting due to air or gas in the metal or mold), cold shuts (casting defects formed when two streams of metal become so cold they do not fuse upon meeting, i.e., incomplete casting), and other impe

44、rfections adversely affecting casting quality, and shall be of uniform wall thickness and true to pattern. They shall also be clean and free of fins (projections on castings due to imperfect joints). References to ASTM and ANSI Standards shall be the latest edition. 7.1.1 Cast Iron. Castings shall c

45、onform to ASTM Specification for Grey Iron Castings A 48 Class 25. 7.1 -2 Copper Alloy. Castings shall conform to ASTM B584 and may be of Copper Alloy Nos. C83600, C83800,C83300, C97300, or C97600. 4 CLEANOUTS ASME A1 12.36.2M-1991 7.1.3 Bolting Materials, Steel. The materials for studs, nuts, cap s

46、crews, and other steel fasteners shall at least equal the requirements of ASTM Specification A 307 Carbon steel externally threaded fasteners, Grade A, and A 563 carbon and alloy steel nuts, Grade A. Threads shall be Class 2A and fasteners shall be plated. 7.2 Finishes In all cases where parts are t

47、o be coated or plated, they shall be pickled as required and cleaned to provide suitable surface for proper bonding of the finish. 7.2.1 Paint Coatings. Cast iron castings shall be cleaned and coated with a suitable paint, lacquer, or synthetic coating of quality to provide protection against rustin

48、g of ferrous surfaces during normal handling and warehousing prior to installation. 7.2.2 Cadmium Plate. After preplating cleaning, parts shall be given a Commercial Grade Cadmium Plate. 7.2.3 Chrome Plate, Decorative. Parts shall be polished prior to plating and then given a Commercial Grade Chromi

49、um Plate. 7.2.4 Bronze Chromate. Parts shall first be given a Commercial Grade Cadmium Plate and then a Commercial Grade Bronze Chromate treatment. 7.2.5 Zinc Plate. After preplating cleaning, parts shall be given a Commercial Grade Zinc Plate. 8 VARIATIONS AND ACCESSORIES 8.1 Wide Flange This type is intended for use with poured or troweled synthetic floors in order to provide sufficient bonding surface between cleanout and flooring material to make a watertight seal. The minimum width of the