When placing a line, point, etc. I like to use the up and down arrows to increment the distance values. In Catia, it is set to 1 inch which is too big for the work I do. I can change the step value, but it defaults back to 1 inch. Can I set it to 1/32 inch and make it stay 1/32 inch? See...
Smart Products check valve was what I needed, but they have a 25 piece minimum order. The cost was $200 plus shipping. They can build a check valve to your specs by making a custom wound spring.
I found a check valve with a 1/3 psi cracking pressure at US Plastic Corp. About $6.50.
Mark
I have built a low pressure fluid system for an R&D application. It is made with 1/4" pvc tubing and push connect fittings. It operates at about 10 mm Hg (about 0.20 psi) and uses a paristaltic pump rated at 24 ml/min. I have installed a reservoir on the pump inlet for filling the system, a low...