Concrete pipes for sewerage (Use for jacking method)
发布日期:1976-03-08 实施日期:2010-01-05
Standard Practice for Selection of Gravity Sewers Suitable for Installation of Optical Fiber Cable and Conduits
适用范围:<p>This practice is intended to assist engineers and sewer owner/operators in determining the suitability of sewers for a secondary use as hosts for optical fiber cables and conduits. It must be kept...
实施日期:2003-09-10
Safety devices for gas supply installations operating at working pressures up to 100 bar; pressure relief governors and safety shut-off devices
Standard Specification for Non-Asbestos Fiber-Cement Conduit
实施日期:2005-04-05
Electrical metal sheathed tubular heating elements; use
适用范围:This standard applies to the use of electrical metal-sheathed tabular heating elements and specifies data on sheath material as well as reference values for the surface load.
Festlegungen fuer Fluessiggasgeraete. Abzuglose Gewerberaumheizgeraete bis zu 10 kW Specification for dedicated liquefied petroleum gas appliances Flueless non-domestic space heaters not exceeding 10 k...
适用范围:This European Standard defines, for the purpose of type examination, the requirements, the test methods and the marking of non-domestic flueless space heaters (including greenhouse heaters and diffusiv...
实施日期:1999-12-15
Reinforced flexible hose with mechanical unions for connection of household appliances using gas fuels.
Specification for safety and rational use of energy of domestic gas appliances Part 1:Radiant/convectors
实施日期:2002-12-18
light vertical multistage centrifugal pump
发布日期:2018-11-23 实施日期:2018-12-31
Urban rail transit— Automatic fare collection system equipment and module requirements— Part1:Automatic ticket vending machine
发布日期:2021-04-12 实施日期:2021-06-01
Household economy - End fittings with seal gasket for corrugated metallic flexible piping for the external connection of domestic appliances using butane and propane from cylinders.
Filter underdrain block for water and wastewater treatment
适用范围:本标准规定了水处理用滤砖的术语和定义、分类、材料、要求、试验方法、检验规则、标志、包装、运输和贮存。 本标准适用于水处理用滤砖的制造和检验。
发布日期:2016-11-15 实施日期:2017-05-01
Independent gas-fired convection heaters Includes amendment A1:2003;Supersedes HD 1002:1994
实施日期:2000-12-01
Specification for dedicated liquefied petroleum gas appliances - Parasol Patio heaters - Fluesless radiant heaters for outdoor or amply ventilated area use
实施日期:2005-12-01
Pressure sewerage systems outside buildings; German version EN 1671:1997
适用范围:The document sets requirements for design and installation and related verification and testing procedures for pressurized sewerage systems for the disposal of waste water and independent from material...
Oil burning bath boilers with water heaters for domestic use
发布日期:2011-03-22 实施日期:2011-03-22
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