1.MATERIAL:Natural BRASS. 2.THREAD:NPT,NST,BSP 3.New-type: Durable 4.Min Order: 100pcs 5.OEM Indoor FireHydrant,Indoor Fire Valve1.Certificate:ISO90012.Inlet: male thread3.Outlet: female thread4.valve stem:iron/brass5.valve seat: enhance nylon valve seat6.Inspection:100% inspection.7.OEM supply possible according to quantity durable indoor fire hydrant