Products ANANDENKI CO.,LTD.

30Hatch has integral structure of manhole cover and fall prevention fence. 30Hatch can be completed within "30 seconds" by sliding out with one hand. The completed safety fence will be the hold for entry into and leaving from a pit.

Equipped with balanced weight, it helps you to lift up manhole cover and safety fence with extremely light force.(within 15kgf)

Closed	Being opened
Being opened	Completed

Specification

Description	Design range
Manhole shape	Round　○ or Square　□
Opening size	φ600～900mm □600～1,000mm
Manhole depth	2,000mm～
Construction	Aluminum
Max. load	4.9～14.7 kN/m²
Others	Can be designed for new construction or retrofit/replacement.

5 FEATURES

Thanks to balanced weight, manhole cover can be opend and closed with extremely light force(15kgf).
Manhole cover is combined with safety fence.
It prevents from fatal fall accident.
30Hatch is made of aluminum(Resistant to corrosion).
Can be designed for new construction and retrofit/replace.
30Hatch is equipped with bottom ladder.
Safety cage can be designed for deep manhole.

Installation Examples

Grating type

Substation
□800×2,410mm(H)

SRLs type (Self-Retracting Lifelines)

Substation
□750×3,010mm(H)

With waterproof cover

Pump station
φ900×3,050mm(H)

With key and lock

Substation
φ900×2,920mm(H)

Manhole with equipment hatch

Hydraulic power station
□700×2,550mm(H)

Bottom ladder with safety cage

Pump station
□700×2,550mm(H)