Tangshan vacuum breaker

Tangshan Tangshan vacuum breakers installed vacuum breaker to install a vacuum breaker installation steps Tangshan vacuum breakers quality: Wuhan far Ming Fung on 2014.5.29 to a third party quality inspection agency Wuhan Product Quality Supervision, Inspection and submission Our production of vacuum break device, after a detailed and comprehensive testing, test results released on 2014.6.6, our inspection of the vacuum breakers are all qualified, our customers can be assured, a move to break the vacuum breakers Chinese products have no third-party quality inspection agency certification precedent, at present, Wuhan far Ming Fung is the industry's first vacuum breaker certified company, even if some imported vacuum breakers have not been third-party quality inspection, you parents eyes wide open, do not vote for the election only expensive right. Vacuum breaker Price: with respect to more than 200 imports a vacuum breaker, Wuhan far Ming Fung vacuum breaker price is much cheaper than the same size and type of imported vacuum breaker, DN15 far Ming Fung vacuum breaker, divided wholesale prices and the general price of the two prices, generally 50 or less according to a retail price of 150 yuan to trade more than 100 operators wholesale prices, according to a sell 130, 50-100 only a price of 140, need to be reminded Ming Fung is far more than a vacuum breaker price excluding tax and shipping. Vacuum breaker Installation 1. Before installing a vacuum breaker as responding to a preliminary acceptance, preliminary acceptance by the construction and installation of the unit in charge of preliminary acceptance without vacuum breaker shall be installed and used in the project; 2. Install vacuum before the destruction of the pipeline should be thoroughly washed; 3. Vacuum breakers should be installed at the highest point of the water distribution manifold, the intake port should be downward; 4. Install outdoor vacuum breaker, which should be set to vent valve inlet ends so in the winter emptying antifreeze; 5. vacuum breaker shall be installed in a fume hood or ventilation hood shall be installed in the hazardous environment of toxic gases; 6. should vacuum breaker inlet. 7. Pressure-type vacuum breakers should be installed on the device flood level; pressure type vacuum breaker outlet should be higher than the highest flood level of 300mm or more. 8. The hose-type vacuum breaker mounting height should be set at more than 1000mm from the ground; for fixed appliance (bath or washing machine), should be higher than 150mm above the highest flood level. 9. In the cold and cold areas, when the vacuum breaker set in the non-heating room or outdoors, and so vent freezing measures should be taken. 10. The exhaust valve is provided, the vacuum breaker should be set at the lower side of the exhaust valve. 11. The surface drainage measures should be reliable vacuum breaker installation location. 12. In the interior of the vacuum breaker should be mounted, flush-mounted For special cases, should be installed in the box, the size of the box should meet the maintenance needs, and set the louver vent on the compartment door, the vent area should be larger than the vacuum breaker water supply pipe cross-sectional area of ??five times; 13. A vacuum breaker air intake below the minimum obstacle clearance distance not less than the vacuum breaker of nominal size; 14. level-through vacuum breaker in indoor installation and should be installed from the riser pick out the beginning of the horizontal branch pipe; vacuum breaker vacuum breaker selection applies only to prevent siphoning reflux place. Atmospheric type vacuum breaker, the upstream and downstream pipeline does not apply to their settings can be shut off valve and the outlet without back pressure possible place, should use a single intake vacuum breaker. Pressure-type vacuum breakers for downstream set of pipes can be shut off valve. Should use export backstop type vacuum breaker, or a single intake vacuum breaker valve and downstream piping with the form. Top of the riser should use a single intake and exhaust vacuum breaker valve combination. Hose-type vacuum breakers for special connections downstream the siphon hose and possibly reflux and low back pressure backflow place, should be made of imported non-return-type vacuum breaker vacuum breakers installed in Tangshan Tangshan Tangshan to install a vacuum breaker vacuum breaker Installation steps