NG6 Double check valve in A and B AKV-6-D H. The valve controls reverse flow through the stated connection arrangement.
This engineering record preserves the exact model reference from the source import. Normalized specifications are shown where the primary model row establishes their meaning and units. Original imported specifications are retained separately for review.
Technical documentation
NG6 Double check valve in A and B. The exact model is listed on page 2.
