ZECO Valve offers a variety of metal seated ball valves including three piece, flanged, welded body trunnion, and dual seated metal trunnion valves. The primary advantage of metal seated valves is their ability to withstand high temperatures and severe service conditions. Metal seats can endure severe flashing, hydraulic shock, abrasive process fluid, and high temperatures. They are also ideal for high erosion or corrosion applications.
An extensive range of automation accessories including pneumatic and electric actuators, limit switches, and positioners are available for a complete solution for your requirements.
What is Metal Seated Ball Valve?
Metal-seated ball valves incorporate a metal-to-metal seal between the seats and the ball of the valve assembly. They are made for the severe service of abrasives, corrosives, high-temperature, or high-pressure applications.
Metal Seated Ball Valves are designed for a wide range of applications in the mining, refining, petrochemical, pulp, and paper industries. The designs incorporate many technically advanced features which ensure reliable and repeatable shut-off performance while providing the highest level of safety as demanded by these industries.
Specifications of Metal Seated Ball Valve
- Design Standard: API 608, API 6D, ASME B16.34
- Size Range: ½” to 36” *
- Pressure Range: Class 150 thru 2500 *
- End Connections: Flanged RF & RTJ, Butt Weld, Socket Weld, Threaded *
- Inspection and Testing: API 598 test with no visible leakage
- Flanged End Dimensions: ASME B16.5 (≤24”), ASME B16.47 Series A or B (>24”)
- Butt Weld End Dimensions: ASME B16.25
- Socket Weld End Dimensions: ASME B16.11
- Threaded End Dimensions: ASME B1.20.1
- Face to Face Dimensions: ASME B16.10
- Pressure-Temperature Ratings: ASME B16.34
Features of Metal Seated Ball Valve
For Critical services containing solids, including those with high temperatures and pressures, ZECO Valve recommends our Metal-Seated Ball Valve. This is a Bi-Directional Valve with graphite solids-proof gaskets between the seats and valve body. Ball and seat coatings prevent damage to erosion and galling during cycling.
- Fully captured spiral-wound graphite-filled body gasket on split body designs.
- Locking lever or gear operator standard.
- Blowout-proof stem
- Full and standard port available
- Low Emissions: API 622 certified graphite-based packing for fire-safe designs.
- Integral ISO mounting pad on cast valves for ease of automation without bracket or separate coupler.
- Internal and external stem bearings to prevent “side loads” that can cause leakage in the field.
- Live-loaded stem packing. Fully adjustable even with actuation installed.
Applications of Metal Seated Ball Valves
Metal Seated valves are designed for applications with demanding services where high temperature and abrasive solids are present. These valves are suited for applications where media build-up, cycling with solids in the line, and erosive attack of materials and coatings are concerned.
