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Accessory Name: 
Container valve pull-out fixtures
Accessory Part No: 
Accessories Description: 
Our client manufactures liquid bulk carriers with two-part plastic valve closures. The collar is welded to a plastic bag, and the valve closure is fixed onto it by a compression joint. These joints are tested for the force to connect the two, and to pull them apart. The force required can be as much as 25 kN.   Mecmesin designed a collar-retaining plate and flexibly-linked valve attachment to secure both parts without damage or distortion, on a twin-column test stand. The two parts are then pulled apart axially and uniformly, whilst allowing for uneven detachment.
Tension test to pull apart a container valve closure assembly