| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | +80.0/+140.0 POUNDS PER SQUARE INCH |
| BOLT CIRCLE NOMINAL DIAMETER | 2.250 INCHES 2ND END |
| BOLT HOLE NOMINAL DIAMETER | 0.469 INCHES 2ND END |
| CONNECTION TYPE | FLANGE 2ND END |
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |
| FLANGE FACE DESIGN | RAISED STRAIGHT 2ND END |
| FLANGE SHAPE | TRIANGULAR WITH HOLES 2ND END |
| FLOW CONTROL DEVICE | DISK |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS 970 PART 4 GRADE 316S16 NATIONAL SPEC SINGLE MATERIAL RESPONSE BODY |
| MATERIAL | RUBBER SYNTHETIC FLOW CONTROL DEVICE |
| MATERIAL | STEEL CORROSION RESISTING BODY |
| MAXIMUM OPERATING PRESSURE | 140.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |
| OPENING PRESSURE SETTING | 110.0 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | 8.938IN. NOM O/A LG |
| RAISED FACE NOMINAL DIAMETER | 1.000 INCHES 2ND END |
| RAISED FACE NOMINAL HEIGHT | 0.438 INCHES 2ND END |
| STYLE DESIGNATOR | ANGLE |
| THREAD SERIES DESIGNATOR | NPSM 1ST END |