T1RK

Inclination angle is adjusted by moving the ring or a wedge ring set with identical internal diameter (e.g. rings with heights 30/60 and 9/22) in a coaxial manner. Take the height of wedge rings into account during the manhole adjustment. Place directly under manholes, adapter, and drains. Intended for wells acc. to DIN 4034 p. 1 and p. 2. Applied directly under standard manholes with external body plate diameter of max. Ø800. DIN 19584.