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WITT non-return valves (check valves) for reliable protection against dangerous reverse gas flow. Every non-return valve (check valve) 100% tested.
Operation / Usage:
Approvals Company certified to ISO 9001and PED 2014/68/EC Module H CE-marked in accordance with PED 2014/68/EC
Here you find all downloads for the product.
Data sheet 600H-ES
Test Rig 722
For the annual testing of WITT flashback arrestors and check valves
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