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Resilient Seated Gate Valve Ductile Iron Material Manual Power API 5L/DIN/JIS/ASME/ASTM/GB

Resilient Seated Gate Valve Ductile Iron Material Manual Power API 5L/DIN/JIS/ASME/ASTM/GB
The gate valve is a opening and closing gate. The direction of movement of the gate is perpendicular to the direction of...

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