| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MATERIAL | COPPER ALLOY 922 BODY |
| MATERIAL | COPPER ALLOY 922 SEAT |
| MATERIAL | NICKEL ALLOY R-405 FLOW CONTROL DEVICE |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | SOCKET WITH BRAZING RING (PIPE) ALL ENDS |
| FLOW CONTROL DEVICE | DISK |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| MAXIMUM OPERATING TEMP | 150.0 FAHRENHEIT 2ND RESPONSE |
| MAXIMUM OPERATING TEMP | 425.0 FAHRENHEIT 1ST RESPONSE |
| MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH 1ST RESPONSE |
| MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH 2ND RESPONSE |
| MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSE |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS 2ND RESPONSE |
| MOUNTING POSITION | HORIZONTAL |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES ALL ENDS |
| SPECIAL FEATURES | NON-MAGNETIC SERVICE,1.500 IN. VALVE SIZE |
| STYLE DESIGNATOR | STRAIGHT THRU |
| TEST DATA DOCUMENT | 81349-MIL-S-901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| VALVE OPERATION METHOD | AUTOMATIC |