3, straight up and down type disc check valve should be installed in vertical pipe runs. 2, when installation, pay attention to the medium flow direction arrow should be provided with the valve body in the direction of the ticket are exactly the same. Level 4, up and down type disc check valve should be installed on the level piping. 3, do not make the check valve in the line weight, large check valve shall be independent support, make it not influenced by initiation pressure piping. Was sex to try, try to pressure for the nominal pressure of 1. 1 times; Try to continuous time meets the requirements of GB 50243. 2, installation position and height, the import direction must accord with the preset requirements, pay attention to the medium flow direction should be exactly the same, with the valve body are marked arrow direction even who strengthen emergency. Q: the check valve installation and pay attention to the things of project a: one, check the installation of 1, prior to valve installation appearance investigation, for office pressure is greater than 1. 0 MPa and play on ZhuGanGuan truncation utility valve, before installation shall be implemented strength and tightness performance Marine valve, conform to the standard rear must use. The strength to try, try to pressure for the nominal pressure of 1. Five times the continuous time not less than 5 min, valve shell, packing should be no leakage to conform to the standard. Second, check the installation notice: 1, do not make the check valve in the line bear weight, large check valve shall be independent support, make it not influenced by initiation pressure piping. 。 Notes to the order: The national standard) A, A: B: product name, model, nominal size medium and temperature, pressure range C: whether there is attachment, delivery time, and special requirements so that we can correct selection for you. Second, if the valve has been selected by design unit of our company model, please order according to the valves parameters directly with our sales center. Three, it is very important when you use the occasion or the environment is more complex, would you please provide design drawings and detailed parameters, our engineers experts will concentrate on review and analysis for you. We can provide you with professional solutions, including design, customization, complete, operation and service. We've been working on the valve leader in the field of industry, to provide you with the latest knowledge of the valve, the best service, best technical adviser. Thank you for visiting our website, if you have any questions, you can call us, we will be dedicated to provide you with quality services. The factory provides professional ball Industrial Valves, butterfly valve, gate valve, globe valve, check Industrial Valves, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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