Two-stage negative pressure valve
CN310137219SActive Publication Date: 2026-08-07NINGDE HUAYUAN ELECTROMECHANICAL CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- NINGDE HUAYUAN ELECTROMECHANICAL CO LTD
- Filing Date
- 2026-03-19
- Publication Date
- 2026-08-07
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Figure 000007_ABST
Abstract
1. The name of the design product: secondary negative pressure valve. 2. The use of the design product: the design product is used in gas pipeline system to realize negative pressure regulation and stable control. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
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