“RTP” Sewer check flapper valve made of stainless steel with a reed seal, maintenance cover and connection Hole size into // outlets for PP-R, PVC flared pipes suitable for a flap fixing in the closed position through the hand lock with the safety cutoff preventing spontaneous closing.
Sewer check valve RTP-10 (grey) and RTP-110 (orange) is installed true-horizontal either in the basement (before transition of the internal pipe to the external) or in the outdoor sump. Thus, the sewer valve separates the indoor sewerage from the outdoor one. Inlet and Hole size into // outlet valve connections joint any PP-R/PVC flared pipe. If steel or cast-iron no-hub pipe is used for sewerage, transition from PP-R – PVC to cast Iron/steel shall be done.