M-Type Gate Valves
SWECO’s M gate valves feature a non-rising stem with an expanding gate design for safe and dependable service in any environment. They are available in flanged or threaded ends in standard bore sizes.
- Features a 45° landing shoulder capable of supporting maximum loads
- Prevents test plugs from wedging under pressure
Specifications
5,000 psi
|
Flange Size |
A |
B |
C |
D |
| 2 1/16" | 14.62" | 5.25" | 19.62" | 13" |
| 2 9/16" | 16.62" | 6.12" | 20.62" | 13" |
| 3 1/8" | 18.62" | 7.62" | 22.75" | 16" |
| 4 1/16" | 21.62" | 9.44" | 25.88" | 16" |
Trim Chart
|
Service Condition |
Trim |
Body |
Bonnet |
Gate |
Seat |
Stem |
| General, Non-Corrosive | AA | Alloy | Alloy | Alloy | Alloy | Alloy |
| General, Slightly Corrosive | BB | Alloy | Alloy | 410 SS Hardface | 410 SS Hardface | 17-4 PH |
| General, Moderately Corrosive | CC | 410 SS | 410 SS | 410 SS Hardface | 410 SS Hardface | 17-4 PH |
| Sour, Non-Corrosive | DD | Alloy | Alloy | Alloy | Alloy | 17-4 PH |
| Sour, Slightly Corrosive | EE | Alloy | Alloy | 410 SS Hardface | 410 SS Hardface | 17-4 PH |
| Sour, Moderately Corrosive | FF | 410 SS | 410 SS | 410 SS Hardface | 410 SS Hardface | 17-4 PH |