Polycarbonate manholes QaBo
Quality: Made in Germany
concrete manholes are predominantly used for this worldwide – primarily from historical habits or local availability.
However, the following increasingly applies from a technical and economic point of view: modern polycarbonate (PC)
manholes are significantly superior to concrete manholes.
Langmatz polycarbonate manholes are designed as cable draw manholes for telecommunications and energy distribution
and have been used in civil engineering since the 1990s. Today, they represent a European gold standard for polycarbonate
manholes.
Langmatz QualityBox polycarbonate manholes have evolved to become a global product. It was time to develop a
corresponding brand name. Hence QaBo – with “Qa” standing for the quadratic elements in every QaBo frame,
underscoring its characteristic design. Its proven quality and functionality naturally remains unchanged.
- The proven gold standard
- Very detailed planning options thanks to different frame elements
- Overall assessment of the manhole body and cover in accordance with DIN EN 124, load class D400
- Technical Assessment (ETA 18/0734 for PC) based on a European Assessment Document (EAD), confirmed by the European Organisation for Technical Assessment (EOTA)
- Integral height adjustment
- Proven system
- Standardised use

Overview QaBo manholes
QaBo 240 x 240
Clear dimensions: 240 x 240 mm
Class 15 kN
Class B 125
QaBo 250 x 250
Clear dimensions: 250 x 250 mm
Class B 125
Class D400
QaBo 250 x 550
Clear dimensions: 250 x 550 mm
Class B 125
Class D400
QaBo 400 x 400
Clear dimensions: 400 x 400 mm
Class B 125
Class D400
QaBo 400 x 650
Clear dimensions: 400 x 650 mm
Class B 125
Class D400
QaBo 400 x 800
Clear dimensions: 400 x 800 mm
Class B 125
Class D400
QaBo 400 x 1165
Clear dimensions: 400 x 1165 mm
Class B 125
Class D400
QaBo 400 x 1600
Clear dimensions: 400 x 1600 mm
Class B 125
Class D400
QaBo 550 x 550
Clear dimensions: 550 x 550 mm
Class B 125
Class D400
QaBo 550 x 1165
Clear dimensions: 550 x 1165 mm
Class B 125
Class D400
QaBo 550 x 1400
Clear dimensions: 550 x 1400 mm
Class B 125
Class D400
QaBo 650 x 650
Clear dimensions: 650 x 650 mm
Class B 125
Class D400
QaBo 800 x 800
Clear dimensions: 800 x 800 mm
Class B 125
Class D400
QaBo 800 x 1165
Clear dimensions: 800 x 1165 mm
Class B 125
Class D400
QaBo 800 x 1400
Clear dimensions: 800 x 1400 mm
Class B 125
Class D400
QaBo 800 x 1600
Clear dimensions: 800 x 1600 mm
Class B 125
Class D400
QaBo 800 x 1825
Clear dimensions: 800 x 1825 mm
Class B 125
Class D400
QaBo 800 x 2000
Clear dimensions: 800 x 2000 mm
Class B 125
Class D400
QaBo 800 x 2200
Clear dimensions: 800 x 2200 mm
Class B 125
Class D400
QaBo 140 x 330
Clear dimensions: 140 x 330 mm
Class B 125
QaBo 1600 x 1600
Clear dimensions: 1600 x 1600 mm
Class 400 kN
QaBo 1165 x 1165
Clear dimensions: 1165 x 1165 mm
Class 400 kN
Class 125 kN
QaBo 1165 x 2000
Clear dimensions: 1165 x 2000 mm
Class 400 kN
QaBo 1600 x 1825
Clear dimensions: 1600 x 1825 mm
Class 400 kN
QaBo 1600 x 2200
Clear dimensions: 1600 x 2200 mm
Class 400 kN