Can someone explain to me what the difference is between the Aluminum alloys 380 and A380?
I'm also having trouble to determine whether ASTM SC84B is a legitimate spec. It gets listed by search engines but is not listed on ASTM's site. I'm converting old drawings to CAD and have to replace...
Hello,
In a low pressure (20 psig)valve, we were using a stamped,
1/8" diameter, .032 thick Polyurethane disk of 90 durometer Shore hardness. The disk got bonded to the plunger. Now we switched to a plunger where the seal is molded to the plunger. We still are specifying 90 durometer...