Common pipe connections include threaded, welded, and flanged. Threaded gate valves (also called screwed valves) connect to pipes via internal/external threads, making them ideal for small-bore, low-pressure pipelines.
Types:
By thread position: Internal & external threaded
By flow direction: Straight-through, direct-flow, and angle-type
Key Advantages:
1. Low flow resistance 每 Straight-through design minimizes pressure loss
2. Easy operation 每 Smooth opening/closing even under moderate pressure
3. No water hammer 每 Slow closing prevents pipe shocks
4. Budget-friendly 每 Saves costs vs. welded valves with equal sealing
5. Compact & durable 每 Simple structure, wide applicability
Applications:
Oil, water, steam pipelines; Fully open/close use (not for flow regulation)
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