All rev type refers to the opening height of the disc seat throat diameter of a quarter. Additional and impulse safety valve, pilot operated relief valve, safety valve switch, security, decompression valve, such as static weight type relief valve. Relief valve discharge is the main parameter, the displacement depends on the opening of the calibre of the seat and disc height, by the open height is not the same, is divided into tiny qi type and whole qi type two kinds. 。 Higher temperature when choosing safety valve with radiator. Spring loaded safety valve mainly depends on the effectiveness of spring strength and office, spring loaded relief valve is closed and not closed, ordinary inflammable, explosive or toxic mediums should choose close type, steam or inert gas can choose not closed type, such as in the spring type safety valve with the board and the board. Lever type relief valve is mainly depends on the utility of the lever and weight strength and office, but because the lever type safety valve size often greatly limit the scope to choose. The effectiveness of board is mainly seizing the flexibility of the disc, sometimes also can be used as a manual pressure closely. Tiny qi type refers to the disc for the opening of Marine valve seat throat diameter of 1/40 ~ l / 20. Q: what about safety classification? Answer: the quantity of the relief valve so far has spring type and lever type two kinds big. 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 valve, butterfly Industrial Valves, gate valve, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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