Hose Valve Cast Iron JIS 10K - Nakajima - F7333
Cast Iron Fire Main Valve JIS 10K Nakajima F7333
Manual fire main valve for marine water networks, type F7333, featuring a cast iron body, flanged connection, JIS 10K pressure class, straight-through flow configuration, and Nakajima hose outlet. These specifications are referenced in the product’s technical documentation.
Typical Applications
Applied in shipboard fire main systems, hose take-off stations, engine rooms, decks, and auxiliary fire water lines. The straight-through design is used where the hose or outlet nozzle is aligned with the pipeline axis.
Selection Criteria
- Type: JIS F7333
- Pressure/Flange Class: JIS 10K
- Network Connection: Flanged
- Body Material: Cast Iron
- Hose Outlet: Nakajima
- Flow Arrangement: Straight-through
- Operation: Manual
- Service Media: Fire water
Prior to replacement or installation, confirm DN, JIS 10K flange drilling, Nakajima outlet type, flange gasket, fire main operating pressure, and classification society requirements.
Materials and Functional Inspection
Cast iron is suitable for fire water networks when compatible with the application and protected against corrosion. In marine environments, regular inspection of coating, flange, bolts, seat, and Nakajima connector is required, especially in areas exposed to salt or moisture.
Difference from Brass F7334
F7333 refers to cast iron construction, while F7334 variants are typically brass. Selection should be based on pipework material, installation environment, corrosion risk, weight, and vessel technical specification.
FAQ
Is this an angle valve?
No. The specification indicates a straight-through flow configuration.
What does JIS 10K mean?
It denotes the flange/pressure class according to Japanese Industrial Standards (JIS).
Is actuator mounting possible?
This listing is for manual operation. No electric or pneumatic actuator is specified.
