For each size clamp ring you will need the following measurements.
Roof drain clamp ring extension.
28600 flo set roof drain.
Dome 29000 roof drain.
Overflow roof drain for green roof with extra wide flange drain body q244.
Overflow roof drain for green roof ordg1 6.
28600 series coated cast iron flo set roof drain with large secured dome adjusted calibrated vandal proof vane collar wejloc non puncturing clamp ring with stationary vanes and integral gravel stop large sump with wide roof flange and bottom outlet.
Measure 180 across to the opposite outside edge.
Outside diameter o d turn the dome upside down and catch the edge of your tape measure on the dome s outside edge.
Isolation deck drain with non puncturing clamp ring for standpipe 29100 no hub outlet roof drain.
Specification 22010 series coated cast iron roof drain medium beehive dome non puncturing clamp ring with integral gravel stop medium sump with roof flange and bottom outlet application used on mid sized roofs of any construction where a medium sized drain is required.
Cast iron lower drain and wejloc clamp ring q601.
The upper membrane can be clamped between the top of the extension and the primary clamp collar and collect surface water into the drain.
The z100 e sc can be used as the lower membrane can be clamped below the secondary clamp collar and holes in the extension will allow water along that membrane to enter the drain body.
Roof drain w leveleze o ring adjustable extension ordg1.
Medium sump clamp ring cast iron beehive dome.
Roof drains parts accessories.
Zurn z100 ea roof drain includes a dura coated cast iron dcci body with combination membrane flashing clamp gravel guard adjustable extension secondary clamping collar with o ring and low silhouette poly dome strainer.
Light duty loose set grate removable shallow bucket q515.
Marathon retrofit universal ring dome.
Floor drains parts accessories.
Marathon retrofit universal clamp ring.
Omg hercules ring.
3 bolt hole ring 120 4 bolt hole ring 180 90 5 bolt hole ring 72 dome strainer basket.