| STYLE DESIGNATOR | ANGLE |
| VALVE OPERATION METHOD | AUTOMATIC |
| MATERIAL | COPPER ALLOY BODY |
| NICKEL ALLOY FLOW CONTROL DEVICE |
| NICKEL ALLOY SEAT |
| NICKEL ALLOY STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| GAS, INERT 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE |
| CONNECTION TYPE | FLANGE 1ST END |
| UNTHREADED INTERNAL TUBE 2ND END |
| CONNECTION STYLE | STREAMLINED WITH ONE BRAZING RING (TUBE) 2ND END |
| FLANGE SHAPE | ROUND 1ST END |
| NOMINAL OUTSIDE DIAMETER | 3.875 INCHES 1ST END |
| NOMINAL THICKNESS | 0.344 INCHES 1ST END |
| FLANGE FACE DESIGN | PLAIN 1ST END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.750 INCHES 2ND END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| ADJUSTABLE PRESSURE RANGE | 151.0 TO 180.0 POUNDS PER SQUARE INCH |