Pneumatic Actuator

Vertical Type Storm Valve

Storm valve is a flap type non-return valve which is used to discharge the sewage overboard. It is connected to the soil pipe at one end and other end is at ships side so that sewage gets overboard. So it can be overhauled only during drydocks . Inside the valve flap is there which is attached to a counter weight, and a locking block. Once flow begins, the operator must choose whether to open the locking block, or keep it closed.

Main Features

Technical Specifications

Model NA-200 Series
Design Standards JIS (F7305 / F7347 / F7307), DIN, or ANSI standards
Trim/Seat Material Bronze / Brass / Stainless Steel
Body Material Cast Steel (SC480), Bronze (BC6), Ductile Iron (FCD)
Pressure Ratings JIS 5K, JIS 10K, PN10, PN16
Disc Stainless Steel, Bronze
Stem Stainless Steel, Brass
Application Industrial Valves