QWL Series Bidirectional Self-Sealing Gate Valve QWL 系列 双向自密封刀闸阀

QWL Series Bidirectional Self-Sealing Gate Valve QWL 系列 双向自密封刀闸阀

阀杆 / Stem

支架头 / Yoke Head

阀杆保护套 / Stem Protector

护罩 / Protective Cover

冲洗孔 / Flushing Hole

阀座压圈 / Seat Retainer

底板 / Bottom Plate

四柱 / Four poster

阀杆连接套 / Stem Connecting Sleeve

闸板 / Disc

压盖 / Gland

橡胶 / Rubber

阀座顶弹簧 / Seat Top Spring

阀座 / Seat

阀体 / Body

底板密封垫 / Bottom Seal Pad

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Core features

Bidirectional self-sealing: Achieves bidirectional sealing by relying on the medium pressure, ensuring reliable sealing and eliminating the need for additional sealing force.

Rinse hole design: Allows for cleaning of the valve chamber sediment through the rinse holes, preventing the gate plate from getting stuck and facilitating maintenance.

Valve seat top spring: Provides preload force, ensuring a tight fit between the gate plate and the valve seat, enhancing sealing performance.

Large diameter coverage: The diameter range is from DN50 to DN1400, capable of meeting the requirements of large pipeline systems.

Multiple driving methods: Supports manual, pneumatic, electric, and other driving forms, suitable for different automation scenarios.

核心特点

双向自密封:依靠介质压力实现双向密封,密封可靠,无需额外密封力。

冲洗孔设计:可通过冲洗孔清理阀腔沉积物,避免闸板卡滞,维护便捷。

阀座顶弹簧:提供预紧力,保证闸板与阀座紧密贴合,提升密封性能。

大口径覆盖:口径范围从 DN50 至 DN1400,可满足大型管道系统需求。

多种驱动方式:支持手动、气动、电动等多种驱动形式,适配不同自动化场景。

Diameter range 口径范围

from DN50 to DN1400 从 DN50 至 DN1400

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