2 2, the valve body. 1 the valve flange, flange should be made with the valve body group. Cast iron flanges in accordance with GB/T17241 type and size. 6, in accordance with GB/T17241 technical conditions. 7; Steel flange in accordance with GB/T9113 type and size. 1 the provisions of the technology in accordance with the provisions of GB/T9124 Marine valve conditions. 2. 3 the valve body, the minimum wall thickness: cast iron valve body one in accordance with GB/T13932 - minimum wall thickness The provisions of the 1992 tables 3 steel body in accordance with JB/T8937 - minimum wall thickness 1999 the provisions of the table 1. 3. 2 diaphragm seat number of signatures screws with the Industrial Valves body may not be less than 4. 1. 2 steel casing pressure - — In accordance with the provisions of GB/T9124 temperature rating. 1. 3 for GB/T17241. 7, GB/T9124 provision of the pressure - — Temperature rating of materials, according to the provisions of the relevant standard or default. 1. 1 iron shell of pressure - — In accordance with GB/T17241 temperature rating. The rules of the 7. 3 3 valve cover: diaphragm. 1 cover and diaphragm, diaphragm and the valve to the petition shall be deemed appropriate to use flange. Q: self-reliance type flow stem valve standard technical requirements a: 1 pressure - — Temperature level multi-function pumps stem valve pressure - — Temperature level by shell, internal parts and stem material pressure pipe system - — Confirm the temperature level. 2. 2 the body structure of length are shown in table 1. Multifunctional water pump Industrial Valves stem at a certain temperature the maximum allowed for pressure take office, internal parts and stem material in the pipe system temperature little value in the maximum allowed office stress. 3. 3 cover the minimum wall thickness and diaphragm seat press 2. 3 requirements. On the surface of the flange tightly closed type may deem appropriate and use the most simple, tu surface or concave and convex surface type. 3. 4 cover and diaphragm flange should be circular. 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 valve, 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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