I am in a situation investigating if #400 flanges are adequate for 272 Celsius and 57barg. We have the design drawing of the flange. So I am thinking of asking a calculation of it's strength from an engineering consultant company. I am not sure what exactly to ask for. From what I have found on...
Hi guys
Many times I am asked to Buy a valve so I have to evaluate the bidders. What documentation shall I ask from them?
I usually ask CE0036, ISO9001, EN10204 3.1 for the raw materials, valve curves, calculations for operation point, certificate for tests and inspections, period of warranty...
We have installed AVK Telescopic Extension Spindles for buried water valves. How does the length of the extension spindle lock at a desired point??I can't find any installation guide.
