Out Hazard Of Check And Butterfly Valves
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INTERNATIONAL ISO STANDARD 5208
huawodianli.comleakage. Valves designed for installation between flanges, e.g. wafer style check or butterfly valves, shall not have test equipment clamping forces applied that are so great as to bear upon the pressure test results. 4.3.2 When equipment such as volume loss detection …
LEAD FREE Series 957, 957N, 957Z - Watts
media.wattswater.compendent torsion spring check modules, a differential pressure re-lief valve located between and below the two modules, two drip tight shutoff valves, and required torsion spring check modules and relief valve shall be contained with a sleeve accessible single housing constructed from 304 …
63-2631—07 - Series 90 Modutrol IV™ Motors - Honeywell
customer.honeywell.comCheck the ratings given in the instructions and on the product to make sure the product is suitable for your application. 3. Installer must be a trained, experienced service techni-cian. 4. After installation is complete, check out product opera-tion as provided in these instructions. CAUTION Electrical Shock or Equipment Damage Hazard.