EN 27842-1991 en Automatic Steam Traps - Determination of Discharge Capacity - Test Methods《自动疏水阀 排放量的测定 试验方法(ISO 7842-88)》.pdf

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1、CEN EN*Z7842 91 3404589 OOL868L L EUROPEAN STANDARD NORME EUROPEENNE EUROPAISCHE NORM EN 27842:1991 October 1991 1 UDC 621.646.9.057:621.186.1:620.1:532.57 Descriptors : Industrial valves, traps : drainage, water vapor, steam, tests, flow measurements English version Automatic steam traps - Determin

2、ation of discharge capacity - Test methods (IS0 7842:1988) Purgeurs automatiques de vapeur deau - Dtermination du dbit - Mthodes Durchflusses - Prfverfahr.en (IS0 dessai (IS0 7842: 1968) 7842:1988) Kondensatableiter - Bestimmung des This European Standard was approved by CEN on 1991-09-30 and the IS

3、0 standard as referred to. CEN members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. -1s identical .ta Up-to-date lists and bibliographical references concerning

4、 such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own langu

5、age and notified to the Central Secretariat has the same status as the officia-1 versions CEN members are the national standards bodies of Austria, Belg f inland, France, Germany, Greece, Iceland, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and Un um, Denmark, Luxembour

6、g, ted Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, 8-1050 Brussels (cl CEN 1991 Copyright reserved to all CEN members Ref. No. EN 27842:1991 E COPYRIGHT European Committee for Standardizati

7、onLicensed by Information Handling ServicesPage 2 EN 27842:1991 Foreword On the proposal of the Technical Camnittee CENITC 69 “Industrial valves“ BT has decided by resolution C67/1990 to submit the International StandamJ fm 7842:1988 : Automatic steam traps - Determination of discharge capacity - Te

8、st methods to Formal Vote. This European Standard EN 27842 was approved by CEN on 1991 - 08 -G5 According to the Comroa cW/CIBJEuC Rules, the follavlag countries am bound lx fipleinent this -peau Standard t Austria, Belgium, Denmark, Finland, France, Gennany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdcm, - Endor seben t COPYRIGHT European Committee for StandardizationLicensed by Information Handling Services