A manifold assembly will allow a vacuum press user to attach multiple vacuum bags to a single vacuum pressing system at the same time. Below you will find 3 different kits that will allow you to maintain a vacuum in up to 4 separate bags.
To use a manifold system, you simply attach the lock-on connector from your vacuum press to the tank fitting on the manifold. Then attach one of the lines from the manifold system to the valve stems on a vacuum bag. When the first vacuum bag is ready for pressure, attach a vacuum line to it and open the corresponding vacuum valve on the manifold. Be sure the other valves on the manifold are closed.
After the first bag is fully pressurized, close the first vacuum valve and attach another vacuum line to the second bag. Then open the second vacuum valve. When adequate pressure is achieved in the second bag, re-open the first valve. The vacuum press system will now maintain the desired level of vacuum pressure in both bags.
Each kit requires assembly. Click here for detailed instructions.
Tip from Joe:
I recently made the mistake of forgetting to re-open the first valve after I opened pressure to the second valve. Eventually the pressure on bag #1 dropped and the veneer panel failed. If you are forgetful like me, you can put a male to female check valve between the vacuum valve and the barbed fitting.
With this in place, you don't need to close the first valve before opening another valve on the manifold. The check valve will keep the vacuum pressure in bag #1 and when the other bags on the manifold have reached full vacuum, the check valve will re-open and equalize all of the ports on the manifold. It's a good idea to put a check valve on each of the ports if your mind wanders like mine.
2-Way Manifold Assembly
3-Way Manifold Assembly
4-Way Manifold Assembly
Optional Hose Assembly
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