The Orbit Valves 4" Class 300 Ball Valve - Stainless Steel 316 is a premium industrial valve designed for demanding process applications. This Orbit Valves ball valve features a 4-inch bore, Class 300 pressure rating, and Stainless Steel 316 body construction, making it suitable for high-temperature, high-pressure service in refineries, chemical plants, and power generation facilities.
At ValveBuyer.com, we purchase surplus Orbit Valves ball valves in any condition. Whether your valve is brand new in the box, lightly used, or even damaged, we can make you a competitive cash offer. Call 954-466-3107 for an immediate quote.
| Manufacturer | Orbit Valves |
| Valve Type | Ball |
| Size | 4" (102mm) |
| Pressure Class | Class 300 (ANSI 300) |
| Body Material | Stainless Steel 316 (CF8M) |
| End Connection | Flanged (RF) |
| Design Standard | API 600 / ASME B16.34 |
| Face-to-Face | ASME B16.10 |
| Condition | Price Range |
|---|---|
| Excellent / New Surplus | $1,408 - $4,224 |
| Good / Used | $563 - $2,112 |
| Scrap / As-Is | $140 - $563 |
* Prices are estimates. Call 954-466-3107 for an exact quote on your specific valve.
Related Model: Grove B4/B5 — Trunnion Mounted Ball Valve. Sizes 2"-42", Classes 150-2500. Application: Pipeline isolation, fire-safe per API 607.
Stem Packing Leak: Packing gland develops external leak due to thermal cycling, vibration, or age. Visible as weeping or dripping at the stem. Common after 3-5 years without maintenance.
Repair: Replace packing rings (typically 5-ring Grafoil set). Torque gland bolts to manufacturer spec. Can often be done in-line without valve removal. Lead time: 1-3 days with parts on hand.
Body/Bonnet Gasket Leak: Spiral wound gasket between body and bonnet develops leak due to bolt relaxation from thermal cycling. External leak visible at body-bonnet joint.
Repair: Replace spiral wound gasket (typically 316SS/graphite). Re-torque body bolts to proper sequence and values. Lead time: 3-5 days.
Emergency (24/7): 24-72 hours — expedited machining, air freight parts
💡 In most cases, selling as-is to ValveBuyer.com is faster and more economical than third-party repair. We buy valves in ANY condition. Call 954-466-3107 for an instant quote.