Civil Air Defense Engineering Testing

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Completion Acceptance and Installation Quality Testing of Protective Equipment for Civil Air Defense Projects

In accordance with relevant national laws, regulations, and standards, this service conducts quality testing related to production, installation, and protective performance for protective equipment listed in the "Catalogue of Civil Air Defense Protective Equipment Products." Technical methods employed include non-destructive testing of concrete strength, non-destructive inspection (NDT) of steel structure welds, and on-site local airtightness testing.

Testing Products

Steel Structure Single-Leaf/Flat Leaf Doors

Reinforced Concrete Structure Single-Leaf/Flat Leaf Doors

Blast Wave/Explosion Relief Valves

Blast Relief and Overpressure Exhaust Valves

Airtight Valves (Butterfly Valves/Gate Valves)

Fans (Centrifugal / Axial)

Filter Absorbers/Units

Oil Mist Filters (Oil Mesh) / Grease Filters

Ductwork / Piping

Testing Items

Door Leaf Opening/Closing Force

Locking/Latching Operating Force

Dimensional Deviation of Centerline of Door Leaf and Frame Contact/Sealing Surface

Dimensional Deviation from Door Leaf Center to Door Frame Bottom Sill

Gap (Clearance) of Door Leaf and Frame Contact/Sealing Surface

Maximum Allowable Air Leakage Rate for Reinforced Concrete Structure Single-Leaf/Flat Leaf Doors

Operating Force for Opening Swing/Louver Panel (Blast Wave Valves)

Maximum Closing Force for Swing/Louver Panel (Blast Wave Valves)

Gap (Clearance) Between Swing/Louver Panel and Door Leaf

Outer Diameter Dimensional Deviation of Overpressure Exhaust Valve Cap

Plumbness of Counterweight Lever/Hammer Rod for Overpressure Exhaust Valves

Maximum Allowable Air Leakage Rate for Overpressure Exhaust Valves

Casing Outer Diameter of Airtight Valves

Thickness of Airtight Valve Disc/Plate

Maximum Allowable Air Leakage Rate for Airtight Valves

Fan Vibration Velocity

Installation Verticality of Filter Absorbers/Units

Levelness and Verticality of Oil Mist/Grease Filters

Airflow Rate (Air Volume)

Airtightness of Ventilation Ductwork

Duct/Pipe Wall Thickness

Testing Standards

Steel Structure Single-Leaf/Flat Leaf Doors (Blast / Blast-tight / Airtight Doors): RFJ 04-2009

Reinforced Concrete Structure Single-Leaf/Flat Leaf Doors (Blast / Blast-tight / Airtight Doors): RFJ 04-2009

Blast Wave / Explosion Relief Valves (Swing / Louver Type): RFJ 01-2002

Blast Relief and Overpressure Exhaust Valves (Type PS-D250): RFJ 01-2002, RFJ 01-2015

Airtight Valves (Types SMF30, SMF40, SMF50, SMF60, DMF30, DMF40, DMF50, DMF60): RFJ 01-2002, GB/T 11344-2021

Fans (Centrifugal, Mixed-flow): GB 50275-2010

Filter Absorbers/Units (Type RFP-1000): RFJ 01-2015

Oil Mist / Grease Filters (In-duct / In-line type, Vertical type): RFJ 01-2015

Ductwork / Piping (Sizes DN300, DN400, DN500, DN600): GB/T 11344-2021, GB 50243-2016

Service Advantages

Specializes in testing for civil air defense (CAD) engineering protective equipment and facilities. Testing capabilities include performance testing of various protective equipment such as blast-tight doors, airtight doors, valves, and overpressure exhaust valves, as well as on-site installation quality testing of various protective equipment and on-site testing of protective facilities. Equipped with advanced instruments and experienced personnel, backed by strong technical expertise.