Auto-closing appliances of ball float. Model No. 53B(W), 53C(W), 53P(W) application of IACS unified requirements P3 are approved by NK, ABS, LRS, DNV and BV. Model No. 53P(W) is approved by NK, and DNV. Model : 53B (Without screen for ballast water tank). 53B (300 450 mm) Size: 300 to 450
Auto-closing appliances of ball float. Model No. 53B(W), 53C(W), 53P(W) application of IACS unified requirements P3 are approved by NK, ABS, LRS, DNV and BV. Model No. 53P(W) is approved by NK, and DNV. Model : 53B (Without screen for ballast water tank). 53B (300 450 mm) Size: 300 to 450