| MATERIAL | STEEL COMP 303 BODY |
| STEEL COMP 303 AND |
| RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| STEEL COMP 303 SEAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | ED STD 66 FED STD 5TH MATERIAL RESPONSE BODY |
| FED STD 66 FED STD 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE |
| FED STD 66 FED STD SINGLE MATERIAL RESPONSE SEAT |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE 1ST RESPONSE |
| HYDRAULIC FLUID, SILICATE-ESTER BASE 2ND RESPONSE |
| HYDROGEN 3RD RESPONSE |
| GAS, NATURAL 4TH RESPONSE |
| NITROGEN, GASEOUS 5TH RESPONSE |
| MAXIMUM OPERATING PRESSURE | 10500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | -20.0 DEG FAHRENHEIT 1ST RESPONSE |
| 250.0 DEG FAHRENHEIT 2ND RESPONSE |
| CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 3000.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| STYLE DESIGNATOR | ANGLE |
| VALVE OPERATION METHOD | AUTOMATIC |