Aluminum 4" Female Camlock x 3" Female Camlock Camlock Size_1 inch Knox Standpipe Locks and FDC

Knox Standpipe Locks and FDC Caps protect fire department connections generally found on the exterior of buildings

Printing is on both sides of cover

For use on standpipes

50PF25YL = HFX50X25Y50S or RC50-450Y-25-STZ

Equivalent part number - FM20S15T

Aluminum 4" Female Camlock x 3" Female Camlock Camlock Size_1 inch Knox Standpipe Locks and FDCGlobal type "D" aluminum 4 inch female camlock (Cam & Groove) coupler to 3 inch female camlock (Cam & Groove). Under no circumstances should cam and groove couplings be used for compressed air or steam service! Connections The female side of this adapter will only connect to 4 inch male camlock The opposite female side of this adapter will only connect to a 3 inch male camlock How it works To make a connection, simply slide the camlock adapter into