3 in. 3-Piece 316 Stainless Steel Ball Valve | 949279
3 in. 3-Piece 316 Stainless Steel Ball Valve | 949279
✓ In stock at the manufacturer — typically ships within 1–2 business days.
Freight item — ships LTL (Lower 48)- Flat-rate freight: $199 per order
- Orders $4,999+: quoted freight — priced for your dock, liftgate, and timeline
Buying several, or need a liftgate or jobsite delivery? Request an exact freight quote — usually answered the same business day.
The 3 in. three-piece 316 stainless steel ball valve (part 949279) bolts apart in-line — the end caps unbolt so the body, ball, and seats can be serviced or cleaned without breaking the pipe connections. Investment-cast CF8M body and caps, PTFE seats and seals, padlock-capable locking handle as standard, rated 1000 psi WOG with Female NPT threads both ends.
Technical Specifications
| Manufacturer Part Number (MPN) | 949279 |
| Nominal Size | 3 in. |
| Valve Type | Three-piece ball valve, 316 stainless steel, standard port |
| End Connections | Female NPT × Female NPT (3-8) |
| Pressure Rating | 1000 psi WOG |
| Temperature Range | −14°F to 300°F |
| Body Material | CF8M (316 SS), investment cast |
| Media | Water, oil, gas |
| Port | Standard port (reduced bore) |
| Operation | Quarter-turn locking handle — accepts a padlock |
Dimensions
| Bore Diameter | 3.15" |
| End-to-End Length | 7.19" |
| Height (center to top) | 5.51" |
Materials of Construction
| Body & End Caps | 316 SS (CF8M), investment cast |
| Ball | 316 SS |
| Stem | 316 SS, internal-entry blow-out-proof |
| Seats, Seals, Stem Packing & Thrust Washer | PTFE |
| Washer, Nut & Gland | 304 SS |
| Handle | Stainless steel with vinyl insulator, locking type |
Performance & Testing
- Three-piece design — end caps unbolt for in-line service, seat replacement, and component cleaning
- Locking handle accepts a padlock — supports lockout/tagout (LOTO) procedures
- Internal-entry blow-out-proof stem
- 316/CF8M construction resists chemicals, salt water, and corrosive atmospheres
- Standard (reduced) port — for unrestricted flow see the full-port two-piece series linked below
Other Sizes in This Series
Three-Piece 316 SS Standard Port Ball Valve, 1000 PSI, Female NPT (1/4"–4"). Jump to another size:
| Size | Part # |
| 1/4 in. | 949270 |
| 3/8 in. | 949271 |
| 1/2 in. | 949272 |
| 3/4 in. | 949273 |
| 1 in. | 949274 |
| 1-1/4 in. | 949275 |
| 1-1/2 in. | 949276 |
| 2 in. | 949277 |
| 2-1/2 in. | 949278 |
| 3 in. (this page) | 949279 |
| 4 in. | 949280 |
Typical Applications
Chemical processing, marine and salt-water service, water and wastewater treatment, food and beverage utilities, and corrosive media lines where periodic seat service matters — the three-piece body lets maintenance crews rebuild the valve in place instead of cutting pipe. Locking handle covers lockout/tagout points. Rated for water, oil, and gas service.
Cross-References & Interchange
Replacing another brand's 3 in. 1000 psi three-piece stainless ball valve? Match nominal size, end connections, port style, and pressure class for a direct fit — or send us your part number and we will confirm the interchange. Need unrestricted flow? Step up to the 3 in. 2-piece 316 SS full-port ball valve (949170).