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Hi, Can anyone tell me how will you designate flatness tolerance for multiple surfaces on the same datum plane as per ASME Y14.5 std. PS: I have several surface projections on the same plane but I need to specify a flatness tolerance for that entire surfaces using a single tolerance value. For...

Exactly, you are very right about the core removal tool mechanism which you have described in the grainger tool. Now, the leak I am seeing is in the back of the tool. When you are closing the valve, I am still seeing the leak in the back of the tool and not at the joint that connects back of the...

Hi gxmplx, Thank you for your response. The ball valve certainly has a cup that cover the stem to prevent leak. But before you do that you need to pull out the shaft assembly from the ball valve when you are removing the schraeder valve and then close the ball valve. During this time, the...

Hi, Can anyone help me if I can use same spring rate on both suction and discharge ends of an oil pump. The pump works against a pressure of 300 psi and discharges 3.8 oz approx. In the present design I have two different spring rates on suction (2.24 lb/in) and on discharge (1.76 lb/in). I...

Hi, I am new to the Core Remover Tool used in the refrigeration industry. I am working on the design related problem where I am seeing a leak in the shaft assembly and not in the ball valve with side port assembly. I want to know if this is a common problem or not. If yes, then can anyone...