Brand Name: Mueller *Connection Type: 1-1/2 in. IPS *Material: Brass *Valve Type: Swing *Product Type: Check Valve *Application: Use With Water, Oil or Air *Maximum Pressure: 200 psi *Push to Connect: No *Packaging Type: Bulk *Average LeadContent: Less than 0.25% *Prevents backflow  *This product contains less than 0.25% weighted average lead content on wetted surfaces