4 in. 2-Piece 316 Stainless Steel Full Port Ball Valve, 1000 PSI | 949180
4 in. 2-Piece 316 Stainless Steel Full Port Ball Valve, 1000 PSI | 949180
✓ In stock at our distribution warehouses — 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 Apex Flow 4 in. two-piece full-port 316 stainless steel ball valve (part 949180 / 949-180) delivers unrestricted full-bore flow, quarter-turn operation, and investment-cast 316 SS construction rated to 1000 psi WOG and −60°F to 450°F. Female NPT × Female NPT ends with PTFE seats and a blow-out-proof stem.
Technical Specifications
| Manufacturer Part Number (MPN) | 949180 |
| Nominal Size | 4 in. |
| Valve Type | Two-piece full-port ball valve |
| End Connections | Female NPT × Female NPT (FPT × FPT) |
| Pressure Rating | 1000 psi WOG |
| Temperature Range | −60°F to 450°F |
| Port | Full port (full bore) |
| Operation | Quarter-turn locking handle |
| Standard | Body material ASTM A351 CF8M |
Dimensions
| Bore Diameter | 3.94" |
| End-to-End Length | 8.84" |
| Height (center to top) | 7.28" |
| Handle Length | 11.10" |
| Weight | 36.18 lb |
Materials of Construction
| Body & Body Cap | 316 Stainless Steel (ASTM A351 CF8M) |
| Ball | 316 Stainless Steel |
| Stem | 316/304 Stainless Steel, blow-out-proof |
| Seat / Seal / Packing | Reinforced PTFE |
| Handle | 304 Stainless Steel, vinyl-insulated, locking |
Performance & Testing
- Full-port bore matches pipe ID for maximum flow and near-zero pressure drop
- 100% leak-tested at 100 psi air under water
- Hydrostatic shell test to 1500 psi
- 125 steam-rated
- Blow-out-proof stem with adjustable packing
- Locking handle accepts a padlock for lockout/tagout
Other Sizes in This Series
2-Piece 316 Stainless Steel Full Port Ball Valve, 1000 PSI, Female NPT. Jump to another size or add it straight to your cart:
| Size | Part # | Price | Cart |
| 1/4 in. | 949161 | $30.99 | Add to cart |
| 3/8 in. | 949162 | $30.99 | Add to cart |
| 1/2 in. | 949163 | $38.99 | Add to cart |
| 3/4 in. | 949164 | $44.99 | Add to cart |
| 1 in. | 949165 | $67.99 | Add to cart |
| 1-1/4 in. | 949166 | $121.99 | Add to cart |
| 1-1/2 in. | 949167 | $155.99 | Add to cart |
| 2 in. | 949168 | $186.99 | Add to cart |
| 3 in. | 949170 | $408.99 | Add to cart |
| 4 in. (this page) | 949180 | $1120.99 | — |
Typical Applications
This 4 in. full-port 316 SS valve suits process isolation, chemical and corrosive media, steam-adjacent service to 450°F, water, oil, and gas lines, and any application needing minimal pressure drop with stainless durability.
Availability
In stock — ships direct from the manufacturer, typically 1–3 business days.