
4900 Series
Purge Valves are designed to bleed, vent or drain system media or pressure and provide a leak-tight seal up to 4000 psig.  Compact, convenient, and 100% factory tested, FloLok’s manually operated
Specifications
Purge Valves require only 1/4 turn with a wrench from finger tight to create a leak tight seal up to 4000 PSIG.
 
            | Part # | CAD | Body Material | Connection 1 - Type | Connection 1 - Size | Ball Material | Production Category | Product Descriptions | Cv | 
|---|---|---|---|---|---|---|---|---|
| 4910-B | N/A   | N/A Brass | N/A Duolok Tube Fitting | N/A 1/8-27 | N/A 316 SS | N/A 3 | N/A Female NPT Purge Valve | N/A | 
| 4910-316 | N/A   | N/A 316 SS | N/A FNPT | N/A 1/8-27 | N/A 316 SS | N/A 3 | N/A Female NPT Purge Valve | N/A | 
| 4920-B | N/A   | N/A Brass | N/A FNPT | N/A 1/4-18 | N/A 316 SS | N/A 3 | N/A Female NPT Purge Valve | N/A | 
| 4920-316 | N/A   | N/A 316 SS | N/A FNPT | N/A 1/4-18 | N/A 316 SS | N/A 3 | N/A Female NPT Purge Valve | N/A | 
| 4940-B | N/A   | N/A Brass | N/A FNPT | N/A 1/2-14 | N/A 316 SS | N/A 3 | N/A Female NPT Purge Valve | N/A | 
| 4940-316 | N/A   | N/A 316 SS | N/A FNPT | N/A 1/2-14 | N/A 316 SS | N/A 3 | N/A Female NPT Purge Valve | N/A | 
| 4952-B | N/A   | N/A Brass | N/A Duolok Tube Adapter | N/A 1/2 in. | N/A 316 SS | N/A 4 | N/A Duolok Tube Stub Adapter Purge Valve | N/A | 
| 4952-316 | N/A   | N/A 316 SS | N/A Duolok Tube Adapter | N/A 1/2 in. | N/A 316 SS | N/A 1 | N/A Duolok Tube Stub Adapter Purge Valve | N/A | 
| 4956-B | N/A   | N/A Brass | N/A Duolok Tube Adapter | N/A 3/8 in. | N/A 316 SS | N/A 3 | N/A Duolok Tube Stub Adapter Purge Valve | N/A | 
| 4956-316 | N/A   | N/A 316 SS | N/A Duolok Tube Adapter | N/A 3/8 in. | N/A 316 SS | N/A 1 | N/A Duolok Tube Stub Adapter Purge Valve | N/A | 
| 4958-B | N/A   | N/A Brass | N/A Duolok Tube Adapter | N/A 1/2 in. | N/A 316 SS | N/A 3 | N/A Duolok Tube Stub Adapter Purge Valve | N/A | 
| 4958-316 | N/A   | N/A 316 SS | N/A Duolok Tube Adapter | N/A 1/2 in. | N/A 316 SS | N/A 3 | N/A Duolok Tube Stub Adapter Purge Valve | N/A | 
| 4922-B | N/A   | N/A Brass | N/A Duolok Tube Fitting | N/A 3/8 in. | N/A 316 SS | N/A 3 | N/A Duolok Tube End Purge Valve | N/A | 
| 4922-316 | N/A   | N/A 316 SS | N/A Duolok Tube Fitting | N/A 3/8 in. | N/A 316 SS | N/A 1 | N/A Duolok Tube End Purge Valve | N/A | 
| 4930-B | N/A   | N/A Brass | N/A FNPT | N/A 3/8-18 | N/A 316 SS | N/A 3 | N/A Female NPT Purge Valve | N/A | 
| 4930-316 | N/A   | N/A 316 SS | N/A FNPT | N/A 3/8-18 | N/A 316 SS | N/A 3 | N/A Female NPT Purge Valve | N/A | 
