Modular check design concept facilitates maintenance and assembly access.

模块化止回阀结构简化维护,有助于接近总成.

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Series 709 features a modular check design concept to facilitate easy maintenance.

系列709特点在于模块化止回阀设计概念,有助于简化日常维护.

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Modular check construction featuring nonreversible checks with captured springs for simplified servicing.

模块化止回阀结构特点在于不可逆止回,配置简化维修的复位弹簧.

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