| PART NAME ASSIGNED BY CONTROLLING AGENCY | 4 INCH MANUAL DUAL SCREEN HELLAN STRAINER ASSEMBLY |
| MATERIAL | COPPER ALLOY BODY |
| MATERIAL | COPPER ALLOY AND NICKEL ALLOY SCREENING |
| MAXIMUM OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH |
| MEDIA FOR WHICH DESIGNED | WATER |
| SPECIAL FEATURES | 4 IN. STRAINER SIZE; 250 LB. FLAT FACE FLANGE; IN-LINE FLOW DUAL SCREENS; MANUAL HANDWHEEL; MONEL 400 SCREEN MATERIAL; 0.125 IN. SCREEN OPENING; BRONZE BODY MATERIAL; 256 SERIES STRAINER; SIGHT FLOW S.S. TRIM; DP GAUGE |
| PERFORATION DIAMETER | 0.125 INCHES NOMINAL |
| STYLE DESIGNATOR | TWIN STRAINER W/BOLTED COVER |