Description
API 6A Flange Type Gate Valve
The oilfield wellhead gate valve is used to control the connection and disconnection of piping and other equipment medium, and the gate valve is conformed with API 6A specification. It is mainly used in drilling oil production system, such as kill manifold, choke manifold, mud manifold, standpipe manifold, drilling fluid manifold and other high pressure manifold.
Type of wellhead gate valve
* There are rising stem gate valve and non-rising stem gate valve
* According to the connection type, the gate valve includes threaded gate valve, flanged gate valve, and union gate valve.
* From the structure, there are FCA gate valve, PPF Gate valve, PPFA Gate Valve.
General technical parameter of gate valve
| Standard | API SPEC 6A |
| Nominal size | 2-1/16″~7-1/16″ |
| Rated pressure | 2000PSI~15000PSI |
| Product specification level | PSL-1 ~ PSL-3 |
| Performance requirement | PR1~PR2 |
| Material level | AA~HH |
| Temperature level | K~U |
Common Buckle Models for Gate valve
| Type | structure | normal size | cold working press | Terminal connection type | Buckle model |
| Flange gate valve | rising stem gate valve
non-rising stem gate valve |
2-1/16″ 2-9/16″ 3-1/8″ 4-1/16″ |
42MPa(6000psi) 70MPa(10000psi) 105MPa(15000psi) |
API Flange | |
| union gate valve | 1½ “ 2″ 3″ 4″ |
union fig602 union fig1002 union fig1502 |
M×M M×F F ×F |
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