Ball Valve Seats - Pumps, Valves, Piping and Fittings
Ball valve seats are replaceable sealing components fitted between the ball and valve body in marine piping systems. They provide tight shutoff and are selected for compatibility with the fluid, pressure, temperature, valve design, and fire-safety requirements.
ProShipWorks provides end-to-end support to source and supply Ball Valve Seats for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.
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Product Information
| Product Name | Ball Valve Seats |
|---|---|
| Product Category | Pumps, Valves, Piping and Fittings |
| Product Reference | 669 |
| Brands / Manufacturers | KITZ, HABONIM, Valmet Neles, Flowserve, Velan |
| Unit of Measure | Piece |
Key Features
| Key Feature |
|---|
| 1. Available in PTFE, reinforced PTFE, PEEK, nylon, and elastomeric materials |
| 2. Provides sealing around the rotating valve ball |
| 3. Suitable for seawater, freshwater, fuel oil, lubricating oil, air, and chemical services when correctly specified |
| 4. Available as soft-seat or metal-seat designs |
| 5. Replacement seats should match the valve manufacturer, size, pressure class, and ball design |
Applications of Ball Valve Seats
| Application |
|---|
| 1. Marine fuel, oil, and lubrication piping |
| 2. Seawater, ballast, bilge, and cooling-water systems |
| 3. Compressed-air, inert-gas, cargo, and general shipboard piping |
Standards, Certifications & Class Approval
Review the available standards and approval information relevant to the product. Actual certification, material traceability, inspection and classification requirements depend on the product type, intended application and purchasing specification.
| Applicable Standards & Certification | Seat requirements are generally covered by the complete valve standard and manufacturer documentation. Common associated standards include EN 1983, API 6D, ISO 5208, API 598, and API 607 where applicable. Material compatibility, pressure-temperature ratings, and fire-safe requirements must be verified for the specific valve. |
|---|---|
| Class Approval | Classification approval normally applies to the complete valve or piping assembly rather than the replacement seat alone. Depending on vessel requirements, relevant societies may include DNV, ABS, Lloyd's Register, Bureau Veritas, and ClassNK. |
Installation, Maintenance & Safety Information
| Installation Notes | Confirm valve make, model, nominal size, pressure class, seat material, ball type, and service fluid before installation. Isolate, depressurize, drain, and clean the line. Install using the valve manufacturer's procedure and verify correct orientation, seating, and torque. |
|---|---|
| Maintenance Tips | Inspect seats during valve overhaul for wear, deformation, cracking, swelling, leakage, or chemical attack. Keep replacement seats clean and protected from damage. Replace seats as a matched set where specified and perform pressure or seat-leak testing after reassembly. |
| Safety Notes | Ensure the valve is fully isolated, depressurized, drained, and gas-free before dismantling. Use seat materials rated for the system temperature, pressure, and fluid. Do not use soft-seat valves outside their approved fire, pressure, or temperature limits. |
Request a Quote for Ball Valve Seats
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