Maryland Metrics: Plumbing Fitting Details

R550-515M  Backplate  


Backplate, socket tapping Metric to BS 3643

For further assistance please call our technical helpline on (410)358-3130 or (800)638-1830 or email us at techinfo@mdmetric.com.

Dimensional Drawing

Malleable Iron
Fitting Type
Dimensions and Weights
Size Weight
Pressure a
M10 5.8   67 48
M12 6.4   73 54

How to order: R550-xxx size (example: R550-144 1/2) or R550-xxxG size (example: R550-140G 1/2x1/4) for galvanized fittings where xxx is replaced by the figure number

Please note that not all of the fitting styles, sizes and materials are stocked in North America.
Please allow sufficient lead time for delivery, or check with us for availabilty.

Phones: (800) 638-1830 or (410) 358-3130 are available Monday-Friday 8:30 AM to 5:30 PM Eastern time.
Faxes: (800) 872-9329 or (410) 358-3142 & E-mail are available anytime.
Warehouse & showroom hours are Monday-Friday 10 AM to 5:30 PM.
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