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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...
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2024-05-28What manufacturing standards are used for stainless steel welded needle valves
J61Y/J61W/stainless steel welding needle valve is one of the valves widely used in power, electrical, electromechanical equipment engineering, and electrical control equipment engineering. Due to its c...
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2024-05-28What is the working principle of the HXF breathing valve with a connecting pipe
The HXF breathing valve with a connecting pipe is installed on the top of a fixed storage tank to reduce oil evaporation loss, control tank pressure, and prevent external flames from entering. It has t...


