All 3700 Sequence™ Valves are rated at 200 psig @ two hundredº F, and therefore are entire port in all measurements. Preferably suited to potable water, wastewater, or other liquids and compressed air. 3700 Sequence™ valves are bi-directional; stream may go in both way. They may be mounted horizontally, vertically, https://getidealist.com/story21253235/details-fiction-and-pipe-flanges-and-fittings