Gate valves | Manual rising stem gate valves | Manual non-rising stem gate valves | Hydraulic gate valves | FC/FLS valves |
Mud valves | Choke valves | Check valves | Safety valves | Plug Valves |
Name | API6A GATE VALVE |
1.Size | 1/13-16"~7-1/16" |
2.Pressure | 2000PSI~20000PSI |
3.Material | AA. BB. CC. DD. EE. FF. |
4.Product Specification Level | PSL-1 ~ PSL-3,NACE MR 0175 |
5.Performance Requirement Level | PR1~PR2 |
6.Connection | Flange,Thread,Union,BW |
7. Application | Oil, Chemical industry, etc. |
8. Medium | Oil, gas, mud, gas containing H2S, CO2 |
9.Temperature | K. L .P. R .S. T. U. V,LU(-46ºC~+121ºC) |
Structure
-Forged body & bonne |
-Low operation torque |
-Metal-to-metal body/bonnet seal |
-Metal-to-metal backseal seal can be energized |
-Metal-to-metal backseal seal can be energized regardless of gate position |
-Lubrication fittings for easy maintenance |
-Gate guides retain body lubricants and protect gate |
-Manual or actuated operation |
-Flanged or screwed outlets |
Main parts & Materials
API 6A Materials Classification. | Body & Bonnet Material | Stem Material / Coating | Gate Material /Coating | Seat Material /Coating |
AA-General Service | Low Alloy Steel | AISI 41 XX Nitrided | AISI 41 XX Nitrided | SI 41 XX Nitrided |
BB- General Service | Low Alloy Steel | AISI 41 XX Nitrided | AISI 41 XX Nitrided | Stellite TM 3 |
CC- General Service | 4A | AISI 410 SS | AISI 410 Nitrided | Stellite TM 3 |
DD-Sour Service | Low Alloy Steel | AISI 41 XX Nickel-Plated | AISI 41 XX Hard-Face | Stellite TM 3 |
EE- Sour Service | Low Alloy Steel | AISI 410 Nitrided | AISI 41 XX Hard-Face | Stellite TM 3 |
FF- Sour Service | 4A | AISI 410 Nitrided | AISI 41 XX Hard-Face | Stellite TM 3 |
HH- Sour Service | Low Alloy Steel clad with alloy 625 or solid alloy 718 | Alloy 718 | Alloy 718 Hard-Face | Stellite TM 3 |
