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Top Entry Marine Ball Valve
Application:
Top Entry Marine Ball Valves are designed for reliable shut-off and flow control in demanding marine and offshore applications. Their top-entry construction allows internal components to be inspected, serviced, or replaced from the top without removing the valve from the pipeline, helping reduce maintenance time and system downtime.
Specification:
| Seat | Soft-Pctfe & Graphite |
| Ball | ASTM A276-304/316 or A351-CF8(M) |
| STEM | ASTM A276-304/316 |
| Gasket | Spiral Wounded Graphite |
| Bonnet Bolt | ASTM A320 B8M CL.2 |
| Gland Packing | Graphite |
| Gland | ASTM A276-316 |
Product Details
Product Features
Top Entry Design – Allows convenient access to internal components from the top of the valve, simplifying inspection, maintenance, and servicing without removing the valve from the pipeline.
Reliable Shut-Off Performance – Precision-engineered ball and sealing components provide tight, dependable shut-off and help prevent leakage during operation.
Marine-Grade Construction – Manufactured with materials selected for demanding marine environments, offering excellent resistance to corrosion, seawater, and harsh operating conditions.
Robust & Durable Structure – Heavy-duty construction provides long service life and reliable performance under pressure, vibration, and frequent operating conditions.
Low Maintenance – The top-entry configuration reduces maintenance complexity and helps minimize system downtime during inspection or component replacement.
Specifications
1) Valve Size: 1/2''~2''
2) Applicable Rating: ASME 150#~2500#
3) Temperature: Down to -196 degrees
4) Code & Standard: API, BS, ASME, ASTM, KGSC
5) Constructions
End Connection: Socket-Welded, Butt-Welded or Flanged Type
Extended Bonnet
Floating Ball. Full Bore
Fire Safety Construction
Manual or Motor Operated (Pneumatic Electric, or Hydraulic)
Applications
Top Entry Marine Ball Valves are designed for reliable flow isolation and control in marine, offshore, and shipboard piping systems. Their durable construction and convenient top-entry maintenance make them suitable for demanding operating environments.
Shipbuilding & Marine Systems – Used in various onboard piping and fluid-handling systems.
Ballast Systems – Provides reliable isolation and flow control for ballast water lines.
Seawater Systems – Suitable for seawater intake, discharge, and circulation applications.
Cooling Water Systems – Used in engine, equipment, and seawater cooling circuits.
Fuel Systems – Designed for shut-off and flow isolation in marine fuel piping.
Bilge & Drainage Systems – Provides dependable flow control for bilge and drainage lines.
Offshore Platforms – Suitable for demanding offshore fluid-handling and utility systems.
Fire Protection Systems – Used where reliable isolation is required in marine fire-fighting piping.
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