Zeron Fastners
Industrial Valves & FastenersOrbit Ball Valves
Orbit Ball Valves utilize a patented tilt-and-turn mechanical cam mechanism that lifts the ball core away from the body seats before 90-degree rotation begins. By eliminating all sliding friction between the ball and seat surfaces during opening and closing strokes, Orbit valves prevent seat galling, reduce operating torque, and deliver bubble-tight bi-directional shutoff even in severe high-frequency switching applications.
Zeron Fastners manufactures Orbit Ball Valves in Class 150# through Class 2500# in Carbon Steel (WCB/A105), Stainless Steel (316/316L), and Inconel. Equipped with Stellite hardfaced core sealing surfaces, mechanical top-entry maintenance access, and field-adjustable packing. Widely specified for molecular sieve switching in gas processing plants, hot thermal oil systems, metering skids, and catalyst handling.
Technical Specifications
| Specification Feature | Details & Standard Compliance |
|---|---|
| Design Standards | API 6D, ASME B16.34, ISO 14313, BS 5351 |
| Size Range | 1" to 24" (DN25 - DN600) |
| Pressure Classes | Class 150#, Class 300#, Class 600#, Class 900#, Class 1500# |
| Operating Principle | Tilt-and-Turn Mechanical Core Lift (Friction-Free Operation) |
| Body Materials | ASTM A216 WCB, A352 LCC, A351 CF8M, Duplex 2205, Inconel 625 |
| Core & Seat Overlay | Stellite Gr. 6 Hardfacing / Tungsten Carbide Coating |
| Temperature Limits | -104°C to +427°C (-155°F to +800°F) |
| End Connections | Raised Face (RF), Ring Type Joint (RTJ), Butt Weld (BW) |
| Testing Standard | API 598, API 6D (Zero Leakage Rate A) |
Orbit Valve Operational Features
| Type & Model | Key Features & Operating Applications |
|---|---|
| Molecular Sieve Switching Valves | High cycle life (100,000+ operations) with zero seat wear for desiccant dehydration units. |
| Thermal Oil Isolation Orbit Valves | Metal-seated thermal expansion tolerance preventing thermal binding up to 400°C. |
| Gas Metering Skid Orbit Valves | Bubble-tight bi-directional sealing ensuring custody transfer metering accuracy. |
| Cryogenic Orbit Valves | Extended bonnet column isolating stem packing from LNG and liquid nitrogen service. |
