Fuel Oil Tank Self-Closing Drain Valve Bronze JIS 10K - F7398
Brass Fuel Tank Drain Valve JIS 10K F7398
Brass drain valve for marine fuel tanks, type JIS F7398, featuring flanged connection, nominal pressure 10K, and straight-through flow design. Product specification includes JIS standardization, brass body, flanged end, and 10K pressure class.
Operation
F7398 valves are used as self-closing drain valves in fuel oil, diesel oil, and lubricating oil tanks or related fuel circuits. Operation is manual via lever or push button, with automatic closure upon release to minimize the risk of leaving the drain open. Not intended for line isolation.
Technical Selection Criteria
- Type standard: JIS F7398
- Flange class: JIS 10K
- Body material: brass
- Connection: flanged
- Flow pattern: straight-through
- Suitable media: fuel oil, diesel oil, lubricating oil
- Operation: manual, self-closing (spring return)
Prior to procurement, confirm DN, JIS 10K flange drilling, actuation type, gasket material, fuel temperature, viscosity, and classification society requirements.
Maintenance
Periodic inspection should verify seat tightness, spring return function, stem and packing condition, and flange gasket integrity. Automatic closure must not be bypassed in fuel tank applications.
FAQ
Is this a line isolation valve?
No. It is a tank drain valve with self-closing function.
Why is automatic closure required?
To prevent uncontrolled fuel discharge if the operator releases the handle or the operation is interrupted.
Is it suitable for water?
F7398 valves are primarily specified for fuel or oil tank applications.
