It can be a difficult to choose between using pipe mounted valves or design and installing a manifold. There are benefits and disadvantages to both systems and here are a few.
Pipe-work (benefits)
1) Can be modified easily
2) Fault finding easier
3) Dissipates heat
Manifold block (benefits)
1) Compact and tidy
2) Fewer leaks
3) Quick and less installation skill required
When I fault find a hydraulic system it always becomes a lot more difficult with a manifold.
You cannot get in and isolate valves or test individual valves. Prototype systems often need some modifications and again the manifold can be more difficult.
Leaking pipe fittings can be a big problem with pipe-mounted valves and the more valves the more fittings and leaks.
I think that the manifold block is very much like the modern car. It’s great when everything is working well but difficult when things go wrong.
If you have some views I will be pleased to hear
Cheers
Bob
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