Maryland Metrics: R550-J50 Backnuts

Maryland Metrics: Plumbing Fitting Details

R550-J50 Backnuts


Details
SPECIFICATION Type Backnut For more information on Bronze Fittings please refer to tthe CRANE Fittings Pocket Guide or alternatively contact the CRANE Natonal Sales Centre.

Dimensional Drawing

Standard
BS 143 and BS 1256
Connection Type
BS Parallel to BS2779
Material
Bronze
Fitting Type
Backnuts

Dimensions and Weights
Size	Weight (kg/100)	Pressure	a (mm)	f (mm)
1	7.8	PN16	10	45
1.1/2	17.2	PN16	12	63
1.1/4	12.8	PN16	11	55
1/2	3.2	PN16	8	31
1/4	2	PN16	7	22
2	25.8	PN16	13	76
3/4	5	PN16	9	38
3/8	2.7	PN16	8	26

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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