Valve description:
Name: swing type check valve with lever + counterweight.
Design: DIN 3356.
Body: 1.4308.
Nominal size: DN200.
Nominal class: PN16.
Connection ends: RF Flanged ends.
Face to face: EN558-1/line 48 (DIN 3202 F6).
Test and inspection: EN12266-1.
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