| BOLT CIRCLE NOMINAL DIAMETER | 5.000 INCHES ALL ENDS |
| BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS |
| BOLT HOLE QUANTITY | 6 ALL ENDS |
| CONNECTION TYPE | FLANGE ALL ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 6.000 INCHES |
| FLANGE FACE DESIGN | PLAIN ALL ENDS |
| FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| FLOW CONTROL DEVICE | POPPET |
| OPERATING PRESSURE | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390, ALLOY D5/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D5/D/ FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE AND QQ-N-281 FED SPEC 2ND MATERIAL RESPONSE AND QQ-N-288 FED SPEC 3RD MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MATERIAL | COPPER ALLOY 903 SEAT |
| MATERIAL | COPPER ALLOY 903 BODY |
| MATERIAL | NICKEL ALLOY OR COPPER ALLOY FLOW CONTROL DEVICE |
| MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE |
| MEDIA FOR WHICH DESIGNED | WATER, FRESH SECOND RESPONSE |
| MOUNTING POSITION | VERTICAL |
| NOMINAL OUTSIDE DIAMETER | 6.125 INCHES ALL ENDS |
| NOMINAL THICKNESS | 0.500 INCHES ALL ENDS |
| NONDEFINITIVE SPEC/STD DATA | B TYPE AND 1 CLASS |
| SPECIAL FEATURES | BRONZE DISK,QQ-C-390,FACED W/NICKEL COPPER ALLOY,QQ-N-281 OR QQ-N-288 NOT LESS THAN 1/8 IN.THK |
| VALVE OPERATION METHOD | AUTOMATIC |
| STYLE DESIGNATOR | STRAIGHT THRU |