Product Comparison

Other Fireproof Box

Other Explosion-Proof Box

ANNUO Water/Fire/Explosion-Proof Cable Joint Protector

Product Invention Patent

No

No

Yes

National New Practice Patent

No

Yes

Yes

National Appearance Patent

No

Yes

Yes

National Explosion-Proof Certification and Test Report

Yes (Fire shutter test report)

Yes

Yes

Case Material

Glass fiber reinforced plastic, nylon fiber, organic plastic, SMC flame-retardant plastic, ABS flame-retardant plastic

Galvanized plate, iron plate

Steel plate, stainless steel plate, alloy materials

Sealing Material & Performance

No

Flexible fireproof clay, common glass sealing sealant (can’t seal properly); joint soaked in the water, water inrush in the box

Top quality silicone rubber is anti-aging. Good sealing performance with the sealing gasket and ring, special cable sealing sealant and waterproof material

Fireproof Performance

No sealing, with air flow in the case; high accident rate of cable joint explosion and fire spread

Ordinary

Compressing and all-closed structure; no air flow in the case; good fireproof; no spontaneous combustion

Explosion-Proof Performance

Case is exploded, even to pieces

Ordinary

Good explosion-proof for the cable joint; case remains the shape

Internal Hex Screw

No (common screw)

Yes

Stainless steel explosion-proof internal hex screw

Quality Guarantee

No

No

Insured with PICC

Product Length, Thickness and Size

Fixed

Relatively fixed

Custom made service is possible