List of Inspection hatches, manhole covers, and ditch covers products
- classification：Inspection hatches, manhole covers, and ditch covers
271～315 item / All 352 items
Adopting a Gremon lock that secures the inner frame at three points. Adding a lock prevents the inner frame from bending!
- Inspection hatches, manhole covers, and ditch covers
The fixed brackets attached to the outer frame can stand independently and slide left and right! Installation work has become easier.
- Inspection hatches, manhole covers, and ditch covers
A rich lineup that can accommodate a variety of applications, leveraging years of experience in foundry manufacturing!
- Inspection hatches, manhole covers, and ditch covers
- Water and sewerage pipe fittings
- Other opening accessories (airtight materials around doors and windows, etc.)
Shorten construction time! No need for support beams, no on-site assembly required for the underfloor series!
- Inspection hatches, manhole covers, and ditch covers
A durable outdoor ventilation fan cover made of rust-resistant stainless steel! Custom sizes are available!
- Exterior Materials
- Other opening accessories (airtight materials around doors and windows, etc.)
- Inspection hatches, manhole covers, and ditch covers
It is resistant to food debris and bacteria, allowing you to keep the grooves clean.
- Inspection hatches, manhole covers, and ditch covers
- Grating
- Manhole body
A wide range of greening and street materials, including "Garden Great (Tree Planting Box Grill)," is featured.
- Wall and rooftop greenery
- Grating
- Inspection hatches, manhole covers, and ditch covers
We offer a variety of options for the shielded room, including ventilation ports, LAN, cameras, and more!
- Clean Room
- Soundproofing/Shielding Unit
- Inspection hatches, manhole covers, and ditch covers
High-strength, excellent durability net cover! Solves issues such as accidents of falling into waterways and garbage dumping!
- Inspection hatches, manhole covers, and ditch covers
- Net fence
The definitive method for preventing manhole floatation! Includes examples of the inner weight method construction!
- Earthquake-resistant construction method
- Ground foundation construction method
- Inspection hatches, manhole covers, and ditch covers
Preventing manhole uplift! An environmentally friendly method that does not require road surface excavation!
- Earthquake-resistant construction method
- Ground foundation construction method
- Inspection hatches, manhole covers, and ditch covers
We handle a wide range of products for manhole cover safety, including "fall prevention ladders" and "hand grips" for entering and exiting.
- Inspection hatches, manhole covers, and ditch covers
- Other earthworks, foundation works, and exterior floors
- Road facilities
A special manhole cover with a delivery record of over 20,000 units!
- Gutters and U-shaped gutters
- Inspection hatches, manhole covers, and ditch covers
High adhesion that can withstand heavy loads! Suitable for repairs in narrow spaces with a compact cutting machine.
- Inspection hatches, manhole covers, and ditch covers
- Road construction
- Renovation and repair methods
Guerrilla rainstorm countermeasures! 5 times the water collection capacity! High drainage water collection cover compatible with T-25 longitudinal drainage.
- Inspection hatches, manhole covers, and ditch covers
A sheet to prevent the adhesion of concrete and asphalt during construction!
- Civil Engineering Sheet
- Inspection hatches, manhole covers, and ditch covers
This is a manhole with excellent chemical resistance and salt resistance, and high freeze-thaw resistance.
- Manhole body
- Inspection hatches, manhole covers, and ditch covers
We will rehabilitate existing manholes with reduced load-bearing capacity.
- Other earthworks, foundation works, and exterior floors
- Inspection hatches, manhole covers, and ditch covers
- Manhole body
The product lineup of Nissho Shokai Co., Ltd. that quickly responds to various needs!
- Other flooring materials
- Formwork material
- Inspection hatches, manhole covers, and ditch covers
Reduce the protrusion from the wall to showcase excellent interior design!
- Inspection hatches, manhole covers, and ditch covers
- Accessories around the opening
- Subsidiary materials
We will effectively utilize underground space to create a natural landscape.
- Inspection hatches, manhole covers, and ditch covers
- Other civil engineering works
Continuous drainage into the ditch is possible with fixed grating!
- Concrete sheet piles and piles
- Inspection hatches, manhole covers, and ditch covers
- Paving of sidewalks, roads, parking lots and stadiums
Removable inspection port with butterfly bolts.
- Inspection hatches, manhole covers, and ditch covers
Device for accessing the rooftop for inspection.
- Inspection hatches, manhole covers, and ditch covers
Smart and efficient construction methods! Rational and economical repair and replacement work for manhole covers.
- Road signs and road accessories
- Inspection hatches, manhole covers, and ditch covers
- Road construction
Next-generation manhole cover with enhanced performance through innovative ideas.
- Manhole body
- Inspection hatches, manhole covers, and ditch covers
Eco airtight series! Beautifully finished white aluminum.
- Inspection hatches, manhole covers, and ditch covers
Utilizing Akoya pearl oyster shells as filling material!
- Inspection hatches, manhole covers, and ditch covers
- Gutters and U-shaped gutters
- Grating
We will introduce various types of manhole covers, including rotation lock types, large diameter types, and square types.
- Inspection hatches, manhole covers, and ditch covers
- Water Supply Facilities
- Waterproofing work
Demonstrated effectiveness in actual rainfall! This is the ideal drainage ditch for countering guerrilla rainstorms.
- Inspection hatches, manhole covers, and ditch covers
- Gutters and U-shaped gutters
- Dam construction
You can instantly and easily pinpoint the actual leak location!
- Inspection hatches, manhole covers, and ditch covers
- Manhole body
- Other analytical equipment
Pest control for cockroaches in the attic can be done from indoors / New product for cockroach sealing holes.
- Inspection hatches, manhole covers, and ditch covers
- Manhole body
- Other commercial buildings and service facilities
Pest control for cockroaches in the attic can be done from indoors / New product for cockroach sealing holes.
■Overview of Cockroach Sealing Hole 1. It consists of a mounting frame and a lid, with the lid fitted with ceiling finishing material, and the mounting frame can be attached to the ceiling finishing material, serving as a cockroach sealing hole (round inspection opening). 2. A hole is drilled in the ceiling finishing material from indoors, and the cockroach sealing hole is fitted and installed into that hole. 3. Cockroach sealing holes are installed in the ceilings of kitchens, cooking areas, and food preparation areas. 4. By opening the lid of the cockroach sealing hole, hands or arms can be inserted through the hole into the ceiling space to place extermination supplies (such as insecticides, rodenticides, various traps, and cockroach or rat baits) from indoors into the ceiling space or behind the lid. 5. For example, in kitchens or cooking areas, even if insecticides (fumigants) like Valsan are used indoors, cockroaches escape into the ceiling space or under the floor. Additionally, cockroaches and rats typically hide in the ceiling space or under the floor. 6. Cockroach sealing holes and cockroach floor holes are provided in the ceiling space and under the floor, allowing extermination supplies to be installed in those areas for pest control. 7. In this way, cockroaches and rats hiding in the ceiling space or under the floor, which can lead to mass food poisoning, can be exterminated, allowing for safe cooking and dining.
A gas leak detector can be installed in the ceiling from indoors. / New product for gas leak detector fittings.
- Inspection hatches, manhole covers, and ditch covers
- Gas equipment
- Other commercial buildings and service facilities
Pest control for cockroaches in the attic can be done from indoors / New product for cockroach sealing holes.
■Overview of Cockroach Sealing Hole 1. It consists of a mounting frame and a lid, with the lid fitted with ceiling finishing material, and the mounting frame can be attached to the ceiling finishing material, serving as a cockroach sealing hole (round inspection opening). 2. A hole is drilled in the ceiling finishing material from indoors, and the cockroach sealing hole is fitted and installed into that hole. 3. Cockroach sealing holes are installed in the ceilings of kitchens, cooking areas, and food preparation areas. 4. By opening the lid of the cockroach sealing hole, hands or arms can be inserted through the hole into the ceiling space to place extermination supplies (such as insecticides, rodenticides, various traps, and cockroach or rat baits) from indoors into the ceiling space or behind the lid. 5. For example, in kitchens or cooking areas, even if insecticides (fumigants) like Valsan are used indoors, cockroaches escape into the ceiling space or under the floor. Additionally, cockroaches and rats typically hide in the ceiling space or under the floor. 6. Cockroach sealing holes and cockroach floor holes are provided in the ceiling space and under the floor, allowing extermination supplies to be installed in those areas for pest control. 7. In this way, cockroaches and rats hiding in the ceiling space or under the floor, which can lead to mass food poisoning, can be exterminated, allowing for safe cooking and dining.
New product for security sealing holes that makes security equipment installation easier.
- Inspection hatches, manhole covers, and ditch covers
- Interior construction
- Other commercial buildings and service facilities
Pest control for cockroaches in the attic can be done from indoors / New product for cockroach sealing holes.
■Overview of Cockroach Sealing Hole 1. It consists of a mounting frame and a lid, with the lid fitted with ceiling finishing material, and the mounting frame can be attached to the ceiling finishing material, serving as a cockroach sealing hole (round inspection opening). 2. A hole is drilled in the ceiling finishing material from indoors, and the cockroach sealing hole is fitted and installed into that hole. 3. Cockroach sealing holes are installed in the ceilings of kitchens, cooking areas, and food preparation areas. 4. By opening the lid of the cockroach sealing hole, hands or arms can be inserted through the hole into the ceiling space to place extermination supplies (such as insecticides, rodenticides, various traps, and cockroach or rat baits) from indoors into the ceiling space or behind the lid. 5. For example, in kitchens or cooking areas, even if insecticides (fumigants) like Valsan are used indoors, cockroaches escape into the ceiling space or under the floor. Additionally, cockroaches and rats typically hide in the ceiling space or under the floor. 6. Cockroach sealing holes and cockroach floor holes are provided in the ceiling space and under the floor, allowing extermination supplies to be installed in those areas for pest control. 7. In this way, cockroaches and rats hiding in the ceiling space or under the floor, which can lead to mass food poisoning, can be exterminated, allowing for safe cooking and dining.
New product for fire sealing holes that facilitates fire protection equipment installation.
- Inspection hatches, manhole covers, and ditch covers
- Piping and electrical wiring materials
- Interior construction
Pest control for cockroaches in the attic can be done from indoors / New product for cockroach sealing holes.
■Overview of Cockroach Sealing Hole 1. It consists of a mounting frame and a lid, with the lid fitted with ceiling finishing material, and the mounting frame can be attached to the ceiling finishing material, serving as a cockroach sealing hole (round inspection opening). 2. A hole is drilled in the ceiling finishing material from indoors, and the cockroach sealing hole is fitted and installed into that hole. 3. Cockroach sealing holes are installed in the ceilings of kitchens, cooking areas, and food preparation areas. 4. By opening the lid of the cockroach sealing hole, hands or arms can be inserted through the hole into the ceiling space to place extermination supplies (such as insecticides, rodenticides, various traps, and cockroach or rat baits) from indoors into the ceiling space or behind the lid. 5. For example, in kitchens or cooking areas, even if insecticides (fumigants) like Valsan are used indoors, cockroaches escape into the ceiling space or under the floor. Additionally, cockroaches and rats typically hide in the ceiling space or under the floor. 6. Cockroach sealing holes and cockroach floor holes are provided in the ceiling space and under the floor, allowing extermination supplies to be installed in those areas for pest control. 7. In this way, cockroaches and rats hiding in the ceiling space or under the floor, which can lead to mass food poisoning, can be exterminated, allowing for safe cooking and dining.
New product for ceiling holes for evacuation route guiding lights to facilitate construction.
- Inspection hatches, manhole covers, and ditch covers
- Interior construction
- Other commercial buildings and service facilities
Pest control for cockroaches in the attic can be done from indoors / New product for cockroach sealing holes.
■Overview of Cockroach Sealing Hole 1. It consists of a mounting frame and a lid, with the lid fitted with ceiling finishing material, and the mounting frame can be attached to the ceiling finishing material, serving as a cockroach sealing hole (round inspection opening). 2. A hole is drilled in the ceiling finishing material from indoors, and the cockroach sealing hole is fitted and installed into that hole. 3. Cockroach sealing holes are installed in the ceilings of kitchens, cooking areas, and food preparation areas. 4. By opening the lid of the cockroach sealing hole, hands or arms can be inserted through the hole into the ceiling space to place extermination supplies (such as insecticides, rodenticides, various traps, and cockroach or rat baits) from indoors into the ceiling space or behind the lid. 5. For example, in kitchens or cooking areas, even if insecticides (fumigants) like Valsan are used indoors, cockroaches escape into the ceiling space or under the floor. Additionally, cockroaches and rats typically hide in the ceiling space or under the floor. 6. Cockroach sealing holes and cockroach floor holes are provided in the ceiling space and under the floor, allowing extermination supplies to be installed in those areas for pest control. 7. In this way, cockroaches and rats hiding in the ceiling space or under the floor, which can lead to mass food poisoning, can be exterminated, allowing for safe cooking and dining.
The installation of the attic fire alarm can be easily done from indoors. / New product for attic fire alarm brackets.
- Inspection hatches, manhole covers, and ditch covers
- Manhole body
- Other commercial buildings and service facilities
The installation of the ceiling-mounted fire alarm can be easily done from indoors. / New product for ceiling-mounted fire alarm brackets.
■Overview of Ceiling Space Fire Alarm Device 1. It consists of a mounting frame and a cover, with the ceiling finishing material fitted into the cover and a stand combined with the mounting frame, forming a ceiling space fire alarm device. 2. The ceiling space fire alarm device is attached to the ceiling finishing material, and a wireless linked fire alarm unit is mounted on the top of the stand, while the main unit is attached to the cover, allowing for the detection of fires in both the ceiling space and the room simultaneously. 3. A fire alarm can be mounted on the top of the stand, and an additional buzzer can be attached to the cover, with the devices connected by signal wires. 4. A fire alarm unit can be mounted on the top of the stand, and the main unit can be attached to the cover. A hole is drilled from the room into the ceiling finishing material, and the ceiling space fire alarm device is fitted into that hole, allowing for easy and aesthetically pleasing installation without discomfort. 5. Fire testing and inspection of the main unit attached to the cover and the ceiling space unit mounted on the top of the stand can be easily performed from inside the room. 6. For example, if a fire occurs in the ceiling space of a residence, the ceiling space fire alarm (subunit) detects the fire and triggers an alarm, while the fire alarm (main unit) in the cover also sounds an alarm inside the room. This allows for early detection of fires in the ceiling space.
New product for easily inspecting and connecting junctions of ceiling wires from indoors / Junction inspection opening.
- Inspection hatches, manhole covers, and ditch covers
- Manhole body
- Other commercial buildings and service facilities
The installation of the ceiling-mounted fire alarm can be easily done from indoors. / New product for ceiling-mounted fire alarm brackets.
■Overview of Ceiling Space Fire Alarm Device 1. It consists of a mounting frame and a cover, with the ceiling finishing material fitted into the cover and a stand combined with the mounting frame, forming a ceiling space fire alarm device. 2. The ceiling space fire alarm device is attached to the ceiling finishing material, and a wireless linked fire alarm unit is mounted on the top of the stand, while the main unit is attached to the cover, allowing for the detection of fires in both the ceiling space and the room simultaneously. 3. A fire alarm can be mounted on the top of the stand, and an additional buzzer can be attached to the cover, with the devices connected by signal wires. 4. A fire alarm unit can be mounted on the top of the stand, and the main unit can be attached to the cover. A hole is drilled from the room into the ceiling finishing material, and the ceiling space fire alarm device is fitted into that hole, allowing for easy and aesthetically pleasing installation without discomfort. 5. Fire testing and inspection of the main unit attached to the cover and the ceiling space unit mounted on the top of the stand can be easily performed from inside the room. 6. For example, if a fire occurs in the ceiling space of a residence, the ceiling space fire alarm (subunit) detects the fire and triggers an alarm, while the fire alarm (main unit) in the cover also sounds an alarm inside the room. This allows for early detection of fires in the ceiling space.
Fire safety equipment installation for new construction and renovations can be easily done / Sealing stand construction technology
- Inspection hatches, manhole covers, and ditch covers
- Interior construction
- Other commercial buildings and service facilities
The installation of the ceiling-mounted fire alarm can be easily done from indoors. / New product for ceiling-mounted fire alarm brackets.
■Overview of Ceiling Space Fire Alarm Device 1. It consists of a mounting frame and a cover, with the ceiling finishing material fitted into the cover and a stand combined with the mounting frame, forming a ceiling space fire alarm device. 2. The ceiling space fire alarm device is attached to the ceiling finishing material, and a wireless linked fire alarm unit is mounted on the top of the stand, while the main unit is attached to the cover, allowing for the detection of fires in both the ceiling space and the room simultaneously. 3. A fire alarm can be mounted on the top of the stand, and an additional buzzer can be attached to the cover, with the devices connected by signal wires. 4. A fire alarm unit can be mounted on the top of the stand, and the main unit can be attached to the cover. A hole is drilled from the room into the ceiling finishing material, and the ceiling space fire alarm device is fitted into that hole, allowing for easy and aesthetically pleasing installation without discomfort. 5. Fire testing and inspection of the main unit attached to the cover and the ceiling space unit mounted on the top of the stand can be easily performed from inside the room. 6. For example, if a fire occurs in the ceiling space of a residence, the ceiling space fire alarm (subunit) detects the fire and triggers an alarm, while the fire alarm (main unit) in the cover also sounds an alarm inside the room. This allows for early detection of fires in the ceiling space.
Installation and inspection of ceiling-mounted fire detectors can be easily done from indoors / New product for ceiling stands.
- Inspection hatches, manhole covers, and ditch covers
- Manhole body
- Other commercial buildings and service facilities
The installation of the ceiling-mounted fire alarm can be easily done from indoors. / New product for ceiling-mounted fire alarm brackets.
■Overview of Ceiling Space Fire Alarm Device 1. It consists of a mounting frame and a cover, with the ceiling finishing material fitted into the cover and a stand combined with the mounting frame, forming a ceiling space fire alarm device. 2. The ceiling space fire alarm device is attached to the ceiling finishing material, and a wireless linked fire alarm unit is mounted on the top of the stand, while the main unit is attached to the cover, allowing for the detection of fires in both the ceiling space and the room simultaneously. 3. A fire alarm can be mounted on the top of the stand, and an additional buzzer can be attached to the cover, with the devices connected by signal wires. 4. A fire alarm unit can be mounted on the top of the stand, and the main unit can be attached to the cover. A hole is drilled from the room into the ceiling finishing material, and the ceiling space fire alarm device is fitted into that hole, allowing for easy and aesthetically pleasing installation without discomfort. 5. Fire testing and inspection of the main unit attached to the cover and the ceiling space unit mounted on the top of the stand can be easily performed from inside the room. 6. For example, if a fire occurs in the ceiling space of a residence, the ceiling space fire alarm (subunit) detects the fire and triggers an alarm, while the fire alarm (main unit) in the cover also sounds an alarm inside the room. This allows for early detection of fires in the ceiling space.
Electrical work for new construction and renovations can be done easily / Ceiling hole construction technology
- Inspection hatches, manhole covers, and ditch covers
- Interior construction
- Other commercial buildings and service facilities
The installation of the ceiling-mounted fire alarm can be easily done from indoors. / New product for ceiling-mounted fire alarm brackets.
■Overview of Ceiling Space Fire Alarm Device 1. It consists of a mounting frame and a cover, with the ceiling finishing material fitted into the cover and a stand combined with the mounting frame, forming a ceiling space fire alarm device. 2. The ceiling space fire alarm device is attached to the ceiling finishing material, and a wireless linked fire alarm unit is mounted on the top of the stand, while the main unit is attached to the cover, allowing for the detection of fires in both the ceiling space and the room simultaneously. 3. A fire alarm can be mounted on the top of the stand, and an additional buzzer can be attached to the cover, with the devices connected by signal wires. 4. A fire alarm unit can be mounted on the top of the stand, and the main unit can be attached to the cover. A hole is drilled from the room into the ceiling finishing material, and the ceiling space fire alarm device is fitted into that hole, allowing for easy and aesthetically pleasing installation without discomfort. 5. Fire testing and inspection of the main unit attached to the cover and the ceiling space unit mounted on the top of the stand can be easily performed from inside the room. 6. For example, if a fire occurs in the ceiling space of a residence, the ceiling space fire alarm (subunit) detects the fire and triggers an alarm, while the fire alarm (main unit) in the cover also sounds an alarm inside the room. This allows for early detection of fires in the ceiling space.
Round inspection opening/sealing hole that can be easily installed on the ceiling.
- Inspection hatches, manhole covers, and ditch covers
- Piping and electrical wiring materials
- Interior construction
The installation of the ceiling-mounted fire alarm can be easily done from indoors. / New product for ceiling-mounted fire alarm brackets.
■Overview of Ceiling Space Fire Alarm Device 1. It consists of a mounting frame and a cover, with the ceiling finishing material fitted into the cover and a stand combined with the mounting frame, forming a ceiling space fire alarm device. 2. The ceiling space fire alarm device is attached to the ceiling finishing material, and a wireless linked fire alarm unit is mounted on the top of the stand, while the main unit is attached to the cover, allowing for the detection of fires in both the ceiling space and the room simultaneously. 3. A fire alarm can be mounted on the top of the stand, and an additional buzzer can be attached to the cover, with the devices connected by signal wires. 4. A fire alarm unit can be mounted on the top of the stand, and the main unit can be attached to the cover. A hole is drilled from the room into the ceiling finishing material, and the ceiling space fire alarm device is fitted into that hole, allowing for easy and aesthetically pleasing installation without discomfort. 5. Fire testing and inspection of the main unit attached to the cover and the ceiling space unit mounted on the top of the stand can be easily performed from inside the room. 6. For example, if a fire occurs in the ceiling space of a residence, the ceiling space fire alarm (subunit) detects the fire and triggers an alarm, while the fire alarm (main unit) in the cover also sounds an alarm inside the room. This allows for early detection of fires in the ceiling space.
Covering the drainage channel to prevent falls into the channel and allowing it to be used as a walkway.
- Inspection hatches, manhole covers, and ditch covers
- Steel
- Secondary steel products