| SPECIAL FEATURES | THREAD PITCH DIAMETER AVERAGE IS 3.44645 IN. DERIVED FROM THE 3.4430 IN. MIN. AND THE 3.4499 IN. MAX.; THREAD MAJOR DIAMETER IS 3.5020 IN. MIN. AND 3.5149 IN. MAX.; THREAD DIMENSIONS FROM MIL-F-24227; THREADS ARE 10-NS2 |
| VALVE OPERATION METHOD | AUTOMATIC |
| STYLE DESIGNATOR | STRAIGHT THRU |
| THREAD CLASS | 2A ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| THREAD QUANTITY PER INCH | 10 ALL ENDS |
| THREAD SERIES DESIGNATOR | UNS ALL ENDS |
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CONNECTION STYLE | PLAIN (TUBE) ALL ENDS |
| FLOW CONTROL DEVICE | DISK |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MATERIAL | COPPER ALLOY BODY |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | UNION END SWING CHECK, 2.000 INCH |
| PROPRIETARY CHARACTERISTICS | PACS |
| MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT 2ND RESPONSE |
| MAXIMUM OPERATING TEMP | 425.0 DEG FAHRENHEIT 1ST RESPONSE |
| MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSE |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS 2ND RESPONSE |
| MOUNTING POSITION | HORIZONTAL |
| NOMINAL THREAD SIZE | 3.446 INCHES ALL ENDS |