Did you know? Among those silver-shining pipeline valves in the factory, there is a tough guy called wedge gate valve. It is like the "door god" of the industrial world. It can make dangerous liquids obedient by moving up and down with a blade-shaped metal gate plate16.
I. Why is it so awesome?
Sealing skills: The gate plate is like a diagonally cut sandwich. When closing the valve, it squeezes into the valve seat and blocks the pipeline by the hard collision between metals. Even high-pressure natural gas can't escape16.
Effortless switching: Turning the handwheel a few times manually can open and close, and even a weak female worker can easily operate it (simpler than twisting the cap of a mineral water bottle)26.
Durable: Valves made of stainless steel or alloy will not rust even after being soaked in concentrated sulfuric acid for ten years, and are more corrosion-resistant than your frying pan45.
2. Opening and closing tips
Secrets to closing the door:
Turn the hand wheel clockwise → the gate goes down like an elevator → the beveled surface firmly blocks the pipe → completes the "physical seal"12
Some high-end models have double insurance, metal seal rubber gasket, and the leak-proof effect is comparable to that of a pressure cooker45
Secrets to opening the door:
Turn the hand wheel in the opposite direction → the gate rises → the channel is completely open → the liquid rushes through like a flood
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