The list below shows the most popular top man-ways supplied to our customers. We also carry man-ways up to 60 inches in diameter. All our top man-ways come standard with a choice of a 2 inch tri-clamp ferrule, NW50 fitting with a SVS pressure relief valve or SVS A5 pressure relief valve as shown on the Zorzini 230 man-way below. We can also attach other port types or styles including gas injection fittings.