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2026-02-26What is the reason for the reliable quality of metal butterfly valves
1. The reason for choosing a hard sealed butterfly valve is due to material selection: the metal butterfly valve mentioned earlier is made of specialized alloy metal materials, so obviously the quality...
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2026-02-26How to switch an electric valve to manual mode
1. Electric valves should be stored indoors in a dry and ventilated area, and both ends of the passage must be blocked. 2. Electric valves stored for a long time should be regularly inspected, cleaned ...
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2026-01-07Principle and technical parameters of threaded angle seat valve
Threaded angle seat valves are classified into single-acting and double-acting types Single-acting (the pneumatic head is usually a single hole); working principle; it achieves opening and closing func...
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2026-01-07Standard specifications and structural characteristics of card sleeve plug valve
Structural characteristics of ferrule plug valve: 1. The card sleeve plug valve has a reasonable product structure, reliable sealing, excellent performance, and beautiful appearance. 2. Its sealing per...
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2025-12-03Function and principle of vacuum breaker valve
When the system generates negative pressure, the pressure difference between atmospheric pressure and system pressure acts on the sealing element, pushing it to break the valve sealing element, opening...
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2025-12-03Common faults and causes of self-operated steam regulating valves
1. No signal, no air source. ① The air source is not turned on, ② The air source contains water, which freezes in winter, causing blockage of the air duct or malfunction of the filter or pressure r...
