1561A 3IN: VALVE,CHECK.
The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COBALT ALLOY SEAT, flange_shape: ROUND WITH HOLES ALL ENDS, special_features: VALVE SIZE 3.000 IN. IN, style_designator: STRAIGHT THRU, nominal_thickness: 0.875 INCHES ALL ENDS IN, bolt_hole_quantity: 4 ALL ENDS.
This part is cataloged in the U.S. Government catalog under NSN 4820-00-137-9212, indicating validated use in U.S. government and defense logistics supply chains.
Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
| material | COBALT ALLOY SEAT |
| flange_shape | ROUND WITH HOLES ALL ENDS |
| special_features | VALVE SIZE 3.000 IN. IN |
| style_designator | STRAIGHT THRU |
| nominal_thickness | 0.875 INCHES ALL ENDS IN |
| bolt_hole_quantity | 4 ALL ENDS |
| flange_face_design | RAISED STRAIGHT ALL ENDS |
| operating_pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| flow_control_device | DISK |
| face_to_face_distance | 9.500 INCHES IN |
| maximum_operating_temp | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| valve_operation_method | AUTOMATIC |
| NSN | 4820-00-137-9212 |
| FLOW CONTROL DEVICE | DISK |
| FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS |
| BOLT CIRCLE NOMINAL DIAMETER | 6.000 INCHES ALL ENDS IN |
| STYLE DESIGNATOR | STRAIGHT THRU |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS IN |
| OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| MAXIMUM OPERATING TEMP | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| NONDEFINITIVE SPEC/STD DATA | C GROUP AND 3 TYPE AND 5 TRIM AND 150 CLASS |