Valves connection : flanged.
Valve type :  ball, globe, butterfly, gate.
Some cases require tests at 1040 bar (14500 psi) !
This rig shall test 3 valves at the same time with differents pressures.
Unilateral clamping is foreseen.
It seems to be unusual to reach this pressure for some suppliers.
They build custom test stands for different
types of Pressure Relief and Safety Valves.

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