ONE-LOK™ SLDM FOR OVERSIZED CAST IRON PIPE.

The ONE-LOK SLDM is a modified mechanical joint, wedge-action restrainer gland which is recommended and suitable for installation on cast iron pipes having the nominal dimensions of "C" and "D" class outside diameters. For "A" and "B" size cast iron pipe, the standard ONE-LOK SLD may be used without modification, provided that the pipe diameters are in accordance with AWWA C150/151. SLDM sizes 4"-12" are rated at 250psi and SLDM size 20" is rated at 150psi. For other size requirements, please contact SIGMA for more information.