Storm Valve Angle Cast Steel JIS 5K - F3060
JIS 5K F3060 Cast Steel Angle Storm Valve
The F3060 is a flanged angle-pattern storm valve designed for marine discharge lines terminating at the ship’s hull. Product data specifies cast steel construction, flanged connections, JIS 5K pressure class, and angle flow pattern standard.
Standards and Construction
- Type: JIS F3060 angle storm valve
- Flanges: JIS B2220 – 5K
- Inspection/Test: JIS F7400
- DN Range: 50 to 200
- Test Pressure: 5.1 kgf/cm²
- Body: cast steel SC49
- Seat: NBR
- Disc: bronze BC6
- Shaft: stainless steel SUS403
Angle Pattern Arrangement
The angle pattern changes flow direction by 90°, suitable where discharge piping requires direct transition to ship-side outlet. Compared to the straight F3059, the F3060 eliminates the need for a separate elbow but requires precise flange alignment and piping load assessment.
Operation
The storm valve limits seawater ingress when external backpressure occurs due to waves or heavy seas. The F3060 is available with a manual closing device for mechanical isolation during operation or inspection.
Typical Applications
- Sanitary discharge lines
- Scupper and drain lines
- Overboard discharge piping
- Bilge or grey water discharge (if specified)
- Shipbuilding installations with JIS 5K flanges
Selection and Maintenance Considerations
Selection should confirm DN, flange class, flow direction, closing device requirement, and NBR seat compatibility with the medium. Typical F3060 datasheets specify a temperature range of -10°C to 60°C, subject to manufacturer confirmation.
Maintenance includes inspection of seat cleanliness, NBR wear, free disc movement, manual closure function, and corrosion on the cast steel body.
