rising-stem insulated plug valve
I. Introduction:
BTX41HLifting type insulated plug valves are suitable for pipelines in industries such as petroleum, chemical, pharmaceutical, fertilizer, and electric power under working conditions with nominal pressure ofCLASS150LB～2500LB and working temperature of-29～550℃, used to cut off or connect pipeline media. The channel in the tapered valve plug is trapezoidal. These shapes make the plug valve structure lightweight, but also cause certain flow resistance. Plug valves are most suitable for cutting off and connecting media as well as for diversion. However, depending on the application nature and the erosion resistance of the sealing surface, they can sometimes be used for throttling. Since the movement between the sealing surfaces of the plug valve has a wiping effect, and when fully open, it can completely prevent contact with the flowing medium, it is usually also suitable for media with suspended particles. Another important feature of the BTX41H lifting type insulated plug valve is that it is easily adaptable to multi-channel structures, so that one valve can have two, three, or even four different flow paths. This can simplify the design of the pipeline system, reduce the number of valves, and decrease the number of connecting fittings required in the equipment.
II. Features:
1. Suitable for frequent operation, with quick and smooth opening and closing.
2. Low fluid resistance.
3. Simple structure, relatively small volume, light weight, and easy to maintain.
4. Good sealing performance.
5. Not limited by installation direction, the medium can flow in any direction.
6. No vibration, low noise.
III. Execution Standards:
Structural Form | BB-BG-OS&Y |
Driving Mode | Handwheel, bevel gear, handle |
Design Standard | API599, API6D |
Structural Length | ASME B16.10 |
Connecting Flange | ASME B16.5 |
Test and Inspection | API598, API6D |
IV. Parts Materials:
Serial No. | Name | Material |
1 | Valve Body | ASTM A216-WCB, ASTM A217-WC1, WC6, WC9, C5; ASTM A351-CF8, CF8M, CF3, CF3M |
2 | Plug | ASTM A182-Gr.F6a, ASTM A182-F22; ASTM A182-F304, F316, F321, F304L, F316L |
3 | Gasket | Flexible graphite + stainless steel |
4 | Valve Cover | ASTM A216-WCB, ASTM A217-WC1, WC6, WC9, C5; ASTM A351-CF8, CF8M, CF3, CF3M |
5 | Bolt | ASTM A193-B7, A320-B8; A193-B8M |
6 | Hexagon Nut | ASTM A194-2H, A194-8, A194-8M |
7 | Packing | Flexible graphite |
8 | Packing Gland | ASTM A216-WCB, ASTM A217-WC1, WC6, WC9, C5; ASTM A351-CF8, CF8M, CF3, CF3M |
9 | Handle | ASTM A216-WCB; ASTM A351-CF8, CF8M, CF3, CF3M |
10 | Stem Nut | Copper alloy |
11 | Handwheel | ASTM A536 Gr.60-40-18; ASTM A216-WCB |
V. Technical Parameters:
Nominal Pressure (LB) | Shell Test Pressure (MPa) | Seal Test Pressure (MPa) | Applicable Temperature (℃) | Applicable Medium |
150 | 3.0 | 2.2 | ≤550℃ | Water, steam, oil, etc. |
300 | 7.5 | 5.5 | ||
600 | 15.0 | 11.0 | ||
900 | 22.5 | 16.5 | ||
1500 | 37.5 | 27.5 |
| Machinery & Equipment/Valves/Plug Valves | |
