Lateral to mainline connection shall be made with ductile iron, resilient seated angle valve. Valve body and restraint clamps shall be constructed of ductile iron per ASTM A536, Grade 65-45-12. Epoxy coating on all interior and exterior surfaces shall be fusion bonded epoxy, 10 - 12 mil thickness. Valve mechanism and hardware shall be made of 100% 304 stainless steel. The valve stem shall be fine threaded stainless steel, O-ring sealed for ease of operation. Restraint shall have blunt cast serrations. Machined threaded restraints will not be allowed. Valve shall have a shroud around the valve stem to accept IPS PVC sleeve.