| MATERIAL | COPPER ALLOY BODY |
| RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| COPPER ALLOY STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B62 ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| ASTM BUNA "N" ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| ASTM BUNA "N" O-RING ASSN STD SINGLE MATERIAL RESPONSE PACKING |
| ASTM CLASS NBR ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| ASTM B62 ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | STRAIGHT THRU |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | HELIUM SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 200.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | MANUAL |
| CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | PLAIN (PIPE) ALL ENDS |
| THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | THREADED |
| MOUNTING FACILITY | BULKHEAD |
| FEATURES PROVIDED | BONNET PACKING |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | FREE OF MERCURY CONTAMINATION FOR NUCLEAR PROPULSION PLANT |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 28968 |
| DESIGN CONTROL REFERENCE | 1511M4B |