ISO/DIS 6182-6-2015 pdf free.Fire protection – Automatic sprinkler systems -Part 6: Requirements and test methods for check valves. This part of ISO 6182 specifies performance, requirements. methods of test and marking requirements. for check valves used to supply water in automatic fire protection systems. Note: This is not intended to include trim valves. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references. only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 898-1. Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screws and studs ISO 898-2, Mechanical properties of fasteners — Part 2: Nuts with specified proof load values — Coarse thread 3 Terms and definitions For the purposes of this document, the following terms and definitions apply.check valve valve that permits flow of water into a pipe system. prevents the reverse flow of water. 3.2 clapper type of sealing assembly. wtiich includes rotational movement NOTE See also 3.8. 4.1 Nominal sizes The nominal size of a valve shall be the nominal diameter of the inlet and outlet connections, i.e. the pipe size for…

ISO/DIS 6182-14-2015 pdf free.Fire protection – Automatic nozzle systems – Part 1X: Requirements and test methods for water spray nozzles. This part of ISO 6182 specifies performance requirements, methods of test, and marking requirements for open water spray nozzles. This standard does not cover open sprinklers or open water mist nozzles. Factors of installation such as nozzle spacing, design densities, wind and hot gas velocities are not intended to be addressed by this product standard 2 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this part of ISO 6182. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of ISO 6182 are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of lEG and ISO maintain registers of currently valid International Standards. ASTM G36 Standard Practice for Evaluating Stress-Corrosion-Cracking Resistance of Metals and Alloys in a Boiling Magnesium Chloride Solution ISO 7-1:1982 Pipe threads where pressure-tight joints are made on the threads – Part 1: Designation, Dimension and Tolerances ISO 49:1983 Malleable cast iron fittings threaded to ISO 7-1…

ISO 7076-3:2016 pdf free download.Fire protection Foam fire extinguishing systems Part 3:Medium expansion foam equipment Protection contre I’incendie — Systèmes d’extinction d’incendie U mousse — Pci rtie 3: Equipement pour mousse a iiioyen foisonnement. 5.11 Salt-spray corrosion test During the orroive exposure, a metallic part is to be connected to a typical pipe iittIng or hose coupling to simulate field installation, unless it is to be marked to specify fitting or coupling material or both. The specimens shall be su1)jected to a salt spray using the equipment specified in Iso 9227 and a salt solution having a mass fraction of 20 % sodium chloride in distilled water. The pH of the collected salt solution shall be between 6,5 and 7,2 and the density shall be between 1,126 g/ml and 1,157 g/mI when atomized at 3S O(: ±2 O(:. A suitable means of controlling the atmosphere in the chamber shall l)e provided. Suspend the specimens in their intended operating position and expose them to the salt spray (fog) in a chamber having a volume ofat least 0,4 m3. Maintain the exposure zone at a temperature of3S 0(2 ±2 0(2. Record the temperature at least once per day. Salt solution shall be…

ISO 7076-6:2016 pdf free download.Fire protection Foam fire extinguishing systems Part 6:Vehicle mounted compressed air foam systems Protection con tre I’incendie — Systèmes d’extinction d’m centhe ci mousse — Pci, tie 6: Equipemnent pour mousse physique a air corn prime monte stir vehicules. 4.3.2.5 The proportioning ratio shall be automatically maintained within the range —0 % to +30 % of the designated value, even when pressure or rate of compressed air foam may change. 4.3.2.6 At the nominal proportioning ratio, the CAFS shall produce vet foam within the compressed air foam delivery rate limits specified by the manulacturer. NOTE Another Specific Iequireflient might be agreed between the user and the manufacturer. 4.3.2.7 The foam solution/air volume ratio shall be automatically maintained or easily manually controlled within ±20 % of the designated value as given in the CAFS description [see 7.23 c)J. 4.3.3 Storage vessels 4.3.3.1 Storage vessels shall not leak or become detormed during transport, use, or when being retilled. 4.3.3.2 The quantity of foam concentrate in the storage vessel shall be available to the operator. 5 Tests 5.1 General 5.1.1 Atmospheric conditions for tests 5.1.1.1 unless otherwise stated in a test procedure, conduct the testing after the test specimen…