List of Inspection hatches, manhole covers, and ditch covers products

We offer single and double sheets made of striped steel plate! A wide variety of sizes are also available.

• Inspection hatches, manhole covers, and ditch covers

Standard stainless steel grating! SUS304. Flat bar type with main material pitches of 30, 22, 15, 13, and 11 millimeters. Minimum gap is 7 millimeters.

• Inspection hatches, manhole covers, and ditch covers

Standard stainless steel grating! SUS304. Flat bar type with main material pitch of 30, 22, 15, 13, and 11 mm. Minimum gap is 7 mm.

• Inspection hatches, manhole covers, and ditch covers

Standard stainless steel grating! SUS304. I-bar type with main member pitches of 30, 22, 15, and 13 millimeters. Minimum gap is 8 millimeters.

• Inspection hatches, manhole covers, and ditch covers

The standard stainless steel grating! SUS304. I-bar type with main material pitches of 30, 22, 15, and 13 millimeters. The minimum gap is 8 millimeters.

• Inspection hatches, manhole covers, and ditch covers

Standard stainless steel grating! SUS304. I-bar type with main member pitches of 30, 22, 15, and 13 millimeters. Minimum gap is 8 millimeters.

• Inspection hatches, manhole covers, and ditch covers

The standard stainless steel grating! SUS304. I-bar type with main material pitches of 30, 22, 15, and 13 millimeters. The minimum gap is 8 millimeters.

• Inspection hatches, manhole covers, and ditch covers

You can adjust the hole drilling position! Processing along accessories such as handles is possible.

• Inspection hatches, manhole covers, and ditch covers

The material of the slotted lid is cast iron (FCD500) with a slit gap of 6 millimeters! For concrete secondary products "circular water channels." Can be arranged for various applications.

• Inspection hatches, manhole covers, and ditch covers

The material of the slit cover is cast iron (FCD500) with a slit gap of 6mm! For U150, U180, U240, U300.

• Inspection hatches, manhole covers, and ditch covers

The slit cover is made of stainless steel SUS304, and the frame is finished with galvanized steel with SUS joints.

• Inspection hatches, manhole covers, and ditch covers

Please specify the height and width of the receiving frame as you wish! Introducing steel slits.

• Inspection hatches, manhole covers, and ditch covers

The 'Gazelle Slit' slit cover and receiving frame are made of stainless steel. For circular water channels. Suitable for exteriors and landscaping of buildings, apartments, and commercial facilities.

• Inspection hatches, manhole covers, and ditch covers

Both the gazelle slit cover and the receiving frame are made of stainless steel SUS304. For U-shaped gutters. U150, U180, U240, U300, etc.

• Inspection hatches, manhole covers, and ditch covers

The slit cover is made of stainless steel SUS304, and the frame is finished with galvanized steel with SUS joints. For U150, U180, U240, and U300.

• Inspection hatches, manhole covers, and ditch covers

For site-cast drainage basins used in exterior and landscaping work. Additionally, for existing manhole covers, special-sized manhole lids, catch basins, and various types of basins.

• Inspection hatches, manhole covers, and ditch covers

Steel zinc-plated finish "Gazelle Slit" enhances the landscape with a slim slit cover. For U150, U180, U240, U300, etc.

• Inspection hatches, manhole covers, and ditch covers

For exterior construction work such as exteriors, buildings, and apartments. Adorned with slim and beautiful slits.

• Inspection hatches, manhole covers, and ditch covers

For site-cast catch basins used in exterior and landscaping work. Additionally, for existing manhole covers, special-sized manhole covers, and various types of basins.

• Inspection hatches, manhole covers, and ditch covers

We will introduce examples of the construction of center gazebos using concrete secondary products "U-shaped gutters" and "circular water channels" with illustrations!

• Inspection hatches, manhole covers, and ditch covers

Introduction of striped copper plates and patterned copper plates! In addition to steel, we also offer a lineup of board products made from different materials such as striped FRP and aluminum striped...

• Inspection hatches, manhole covers, and ditch covers

Installation on the back of the door does not interfere with the door's design!

• Inspection hatches, manhole covers, and ditch covers

Fits neatly from small frames to large ones!!

• Inspection hatches, manhole covers, and ditch covers

There are options for colored paving tiles and for filling interlocking blocks.

• Inspection hatches, manhole covers, and ditch covers

By installing a lock on the handle of the manhole cover, the manhole handle cannot be inserted, making it impossible to open and close the cover.

• Inspection hatches, manhole covers, and ditch covers

By changing just one bolt of the bolt-fixed manhole cover to a special bolt, it can be locked.

• Inspection hatches, manhole covers, and ditch covers

This is a locked handhole cover with a rating of BPN40 or higher. It can be opened and closed using a dedicated key, preventing unauthorized access.

• Inspection hatches, manhole covers, and ditch covers

It is a large-diameter machine hatch with a fire resistance performance of 2 hours.

• Inspection hatches, manhole covers, and ditch covers

Maintains the rib structure and shape of the lid over the long term, preventing damage due to strength deterioration! Resistant to acidic and alkaline conditions, providing long-term corrosion protect...

• Inspection hatches, manhole covers, and ditch covers

Minimize the construction area and shorten the construction time! Introducing the construction methods we use.

• Civil Engineering Method
• Inspection hatches, manhole covers, and ditch covers

Four types are lined up: round type for sidewalks/roadways and square type large/small connecting covers!

• Inspection hatches, manhole covers, and ditch covers

Examples of products that are cute in appearance and made with heartfelt dedication!

• Inspection hatches, manhole covers, and ditch covers

The product dimensions are for a well cover Φ750 (diameter 850 × t60)! This is an example from the construction period of September 2020.

• Inspection hatches, manhole covers, and ditch covers

Since it is said to be in the mountains, this is a case of delivery using our 4-ton unic truck!

• Inspection hatches, manhole covers, and ditch covers

Product dimensions are w490×t100×L600! Construction period is November 2020.

• Inspection hatches, manhole covers, and ditch covers

With a replaced drain, it is possible to improve the current situation without removing the gutter!

• Inspection hatches, manhole covers, and ditch covers
• Grating
• stone

Suppress weed growth with an N-shaped structure, reducing costs for mowing and other tasks!

• Inspection hatches, manhole covers, and ditch covers
• Grating
• stone

This is a grating for depression prevention measures.

• Inspection hatches, manhole covers, and ditch covers
• Gutters and U-shaped gutters
• Grating

Super galvanized grating suitable for coastal areas and the environment.

• Inspection hatches, manhole covers, and ditch covers
• Gutters and U-shaped gutters
• Grating

[NETIS Registration] Prevents bouncing! Easy installation without drilling holes in the groove! A grating that is fixed and locked with an adjuster.

• Inspection hatches, manhole covers, and ditch covers

Gratings that bring color and individuality to the streetscape.

• Inspection hatches, manhole covers, and ditch covers
• Gutters and U-shaped gutters
• Grating

Measures for sudden heavy rain and dual-role safety measures for bicycles and other vehicles.

• Inspection hatches, manhole covers, and ditch covers
• Grating
• Manhole body

View on your smartphone. Wireless mini camera. Control recording and playback with your smartphone.

• Inspection hatches, manhole covers, and ditch covers