Aluminum 1 1/2" Storz x 1 1/2" Female NPSH Thread Origin_Global The hydrant flushing elbow attaches

The hydrant flushing elbow attaches to the 4 1/2 inches NH / NST outlet of the fire hydrant

Carbon Steel 4" Flange x 2 1/2" Male NH

Threaded ends color may vary silver or gold

Female 2 1/2 inch NPSH

Male red dry hydrant adapter with aluminum NH / NST cap

Aluminum 1 1/2" Storz x 1 1/2" Female NPSH Thread Origin_Global The hydrant flushing elbow attachesStorz Head component shall be forged from Alloy 6061 aluminum and heat treated to T6 temper. Adapters and components meet the requirements of NFPA 1963. Locking Storz are only available on 4, 5, and 6 inch. Locking springs prevent unintentional disconnects. Locks are stainless steel. The Safe Water Drinking Act section 1417 requires "Lead Free" products to be a minimum of 99. 75% lead free. Download Spec Sheet