MODEL 30 SAFETY VALVE
• Top guided disc provides optimum performance.
• Tested and inspected for pressure setting and leakage.
• National Board certified.
GENERAL APPLICATION
Model 30 is suitable for use on small to medium size multi-stage air compressors, intercoolers, aftercoolers, instrument/control air lines and systems and for air tanks/receivers and pressurized equipment.
TECHNICAL DATA
| Connections: | Threaded NPT or BSPT |
| Temperature range: | -20° to 300°F (-29° to 150°C) |
| Pressure range: | 60 to 400 psig (4 to 276 barg) |
| Code | ASMe VIII |
ASME SECTION VIII AIR CAPACITY 10% ACCUMULLATION; 60°F (16°c)
| Set pressure | Capacity | ||
| psig | (barg) | SCFM | (Nm3/h) |
| 60 | (4) | 15 | (23) |
| 100 | (6.9) | 23 | (37) |
| 250 | (17.2) | 54 | (87) |
| 300 | (20.7) | 64 | (103) |
| 400 | (27.6) | 85 | (136) |
| 500 | (34.5) | 105 | (169) |
| 750 | (51.7) | 156 | (251) |
| 1000 | (69) | 207 | (334) |
| 1250 | (86.2) | 258 | (416) |
| 1500 | (103.4) | 310 | (499) |
| 1750 | (121.0) | 361 | (580) |
| 2000 | (138.0) | 412 | (663) |
| 2250 | (155.0) | 463 | (745) |
| 2500 | (172.0) | 514 | (826) |
| 3000 | (207.0) | 617 | (993) |
| 3500 | (241.0) | 719 | (1155) |
| 4000 | (276.0) | 821 | (1320) |
PARTS AND MATERIALS
| No. | Part Name | Material |
| 1 | Body | Brass |
| 2 | Guide | Brass |
| 3 | Spring | SS |
| 4 | Compression screw | Brass |
| 5 | Lift ring | SS |
| 6 | Ball | PTFE |
SELECTION GUIDE
| Example: | 0030 | - | A | 01 | - | K | M | 0250 |
| Model 0030 | ||||||||
| Inlet size A ¼" | ||||||||
| Variation(01 to 99) 01 Catalog standard NPT connection 60 BSPT connection | ||||||||
| Design revision Indicates non-interchangeable revision Dash (-) if original design | ||||||||
| Spring material M SSTl | ||||||||
| Set pressure 0060 60 psig (4 barg) 4000 4000 psig (276 barg) |
