Hidden Stem Protective Gate ValveIt Is A Concealed Soft Seal Protective Valve Designed Specifically For Civil Air Defense Engineering, Fire Protection, And Municipal Water Supply And Drainage Systems. It Has The Functions Of Cutting Off Media, Resisting Shock Waves, And Preventing Backflow, Meeting The Requirements Of Civil Air Defense Engineering Protection And Sealing. It Is Widely Used In Key Parts Such As Basements, Civil Air Defense Areas, And Fire Pump Rooms.

Structurally, It Adopts A Concealed Rod Structure, With The Valve Stem Not Raised Or Lowered And Exposed, Occupying Less Space; The Valve Body Is Made Of Ductile Iron QT450-10, With High Strength And Impact Resistance; The Gate Is Fully Encapsulated With Rubber, With A Soft Seal And Zero Leakage; Flange Connection, With Built-in Protective And Sealed Structure, Can Withstand Pipeline Shock Waves And Comply With Relevant Specifications For Civil Air Defense Engineering.

Core Features:

Concealed Pole Design, Compact Structure, Suitable For Installation In Narrow Spaces, Underground, And Pipe Trench Scenarios;

Strong Protective And Airtight Performance, Meeting The Requirements Of Shock Wave Resistance And Airtightness In Civil Air Defense Engineering;

Soft Seal With Zero Leakage, Reliable Sealing, And Long Service Life;

Smooth And Effortless Operation, Simply Turn The Handwheel To Open And Close, Easy Maintenance.

Suitable For Pressures Of 1.0MPa And 1.6MPa, Temperatures ≤ 80 ℃, Mainly Used In Civil Defense Engineering, Basement Fire Protection Pipelines, Civil Defense Water Supply Systems, Municipal Protective Pipeline Networks And Other Engineering Systems With Strict Requirements For Protection, Sealing And Safety.

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