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DS/Z41H type water seal gate valve
◆ Product use
The water-sealed gate valve is suitable for use as an opening and closing device on pipelines with a nominal pressure of 100MPa, an operating temperature of 425℃, and a working medium of water, steam, oil and non-corrosive gases, especially for steam engine vacuum condensing systems in thermal power plants.
◆ Product features
1. The S/Z type series adopts double-gate two-way elastic sealing, flexible opening and closing, rapid, and reliable sealing.
2. The product has a simple structure, compact and reasonable, easy maintenance and long service life.
3. For use as an opening and closing device on the pipeline, it must be in a fully open or fully closed state and must not be used to adjust the flow rate.
4. There are two types of valve connection methods: flange and welding, and the driving methods are manual and electric.
◆ Design and manufacturing standards
Design and manufacturing: GB12234
Flange size: GB9113 JB7490
Pressure temperature: JB/T74 GB9131
Structure length: GB/T12221
Butt welding connection size: GB/T12224
Inspection and testing: JB/T9092 GB13927
◆ Main performance specifications
| Nominal pressure (MPa) | ||||||
| Shell strength test | 1.0 | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 |
| Sealing test | 1.5 | 2.4 | 3.8 | 6.0 | 9.6 | 15.0 |
| Upper seal test | 1.1 | 1.8 | 2.8 | 4.4 | 7.0 | 11.0 |
| Air sealing test | 1.1 | 1.8 | 2.8 | 4.4 | 7.0 | 11.0 |
| Scope of application | ||||||
| Product type | Applicable temperature (℃) | Applicable media | ||||
| Carbon steel type | ≤425 | Water, steam, oil, non-corrosive gas | ||||
| Alloy type | ≤540 | |||||
Statement: All text, data, and pictures in this article are only applicable for reference. For details such as valve performance parameters, structure size parameters, and price, please contact us at 010-89283399.
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