- Newton bellows seal globe valve overview
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The forged steel globe valve products produced by Newton bellows valves have a good reputation in the industry. The following is only for bellows seal globe valves:
The key point of the bellows seal stop valve is the metal bellows. The upper end is welded to the connecting plate by automatic seam welding. The lower end of the bellows and the stem assembly are welded by automatic welding, forming an effective barrier between the atmosphere and the fluid medium, ensuring zero. leakage. The valve body sealing surface and the valve disc are precision ground and assembled after strict pressure test. The goal is to ensure zero leakage. The stuffing box is still retained on the bellows as an auxiliary seal, which increases safety and reliability. If it is a high-pressure valve, its metal bellows are multi-layer structure, through hydraulic forming, it can guarantee the life of the full-stroke switch at the theoretical maximum pressure of 10,000 times.
Advantages of use:
a. Safe and environmentally friendly, no fluid loss, reduce energy loss, and improve plant equipment safety.
b. Double seal design (corrugated pipe + packing) If the bellows fails, the stem packing will also avoid leakage and comply with international sealing standards.
c. Rugged bellows seal design ensures zero leakage of the stem and provides maintenance-free conditions.
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