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 : 53CW (with screen for fuel oil tank, water ballast tank next to cargo oil tank)
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 : 53CW (with screen for fuel oil tank, water ballast tank next to cargo oil tank)