Midland 1-piece carbon-steel ball valves in standard port, threaded NPT ends. Working pressure is size-dependent: 2000 PSI WOG on 1/4 in. through 1 in., 1500 PSI WOG on 1-1/4 in. through 2 in. Application and media compatibility should be confirmed for your specific service before ordering.
Sizes & Pressure Ratings
| Size | MPN | Pressure (WOG) |
|---|---|---|
| 1/4 in | 949121 | 2000 WOG |
| 3/8 in | 949122 | 2000 WOG |
| 1/2 in | 949123 | 2000 WOG |
| 3/4 in | 949124 | 2000 WOG |
| 1 in | 949125 | 2000 WOG |
| 1-1/4 in | 949126 | 1500 WOG |
| 1-1/2 in | 949127 | 1500 WOG |
| 2 in | 949128 | 1500 WOG |
Pressure rating is size-dependent -- see the table above; no single figure applies to every size in this collection.
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1/4 in. Carbon Steel Ball Valve, 2000 PSI WOG (949121) -
3/8 in. Carbon Steel Ball Valve, 2000 PSI WOG (949122) -
1/2 in. Carbon Steel Ball Valve, 2000 PSI WOG (949123) -
3/4 in. Carbon Steel Ball Valve, 2000 PSI WOG (949124) -
1 in. Carbon Steel Ball Valve, 2000 PSI WOG (949125) -
1-1/4 in. Carbon Steel Ball Valve, 1500 PSI WOG (949126) -
1-1/2 in. Carbon Steel Ball Valve, 1500 PSI WOG (949127) -
2 in. Carbon Steel Ball Valve, 1500 PSI WOG (949128)
Verified Against the Manufacturer Catalog
Construction, port style, body material and per-size pressure rating for every valve in this collection are verified against the Midland Industries catalog and confirmed on each product page. Body material is carbon steel. No temperature, certification, chemical-compatibility, or media-suitability claim is made beyond what the manufacturer prints -- confirm application fit before ordering.
Confirm Fit For Your Application
Not sure this is the right valve for your service? Our team can help confirm sizing, pressure, and connection type before you order.
Contact UsFrequently Asked Questions
What does WOG mean?
WOG stands for Water, Oil, Gas -- a standard pressure rating used by valve manufacturers for general shutoff service in those media at ambient temperature. It is not a certification for any specific chemical, food-grade, or high-temperature application.
Why is the pressure rating lower on the larger sizes?
Pressure rating in this family is size-dependent, as printed by the manufacturer: 2000 PSI WOG on 1/4 in. through 1 in., and 1500 PSI WOG on 1-1/4 in. through 2 in. This is normal for ball valves as bore size increases and is not a data error.
Do you carry a 2-piece carbon steel ball valve?
We're finalizing additional carbon-steel valves for a possible future addition to this collection. If you need a 2-piece configuration today, contact us and we'll confirm current options.