Product Overview:
A44Y, A48Y boiler special safety valve for a variety of light and heavy industry and building pipelines. Safety valves are widely used in: chemical, petrochemical, petroleum, paper, mining, electricity, liquefied petroleum gas, food, pharmaceuticals, water supply and drainage, municipal services, machinery and equipment support, electronics industry, urban construction and other fields. A44Y, A48Y boiler special safety valve for operating temperature ≤ 350 ℃ of steam, air and other media equipment or pipe. As overpressure protection device.
| product name | A44Y, A48Y boiler safety valve |
| Product number | A44Y, A48Y |
| Nominal diameter | DN20-400mm |
| Pressure range | 1.6MPa-10.0MPa |
| Body material | Cast steel, forged steel, stainless steel |
The main parts and materials:
| NO | Part Name | material |
| 1 | Body | WCB |
| 2 | Seat | ZG2Cr13 |
| 3 | Adjustment ring | ZG2Cr13 |
| 4 | Disc | 2Cr13 |
| 5 | Guide sleeve | 2Cr13 |
| 6 | cap | ZG230-450 |
| 7 | spring | 50CrVA |
| 8 | Valve stem | 2Cr13 |
| 9 | wrench | ZG200-400 |
| 10 | Adjust the screw | 45 |
| 11 | Protective cover | ZG200-400 |
| Sealing surface material | "H" surfacing D507, "Y" surfacing Co-based cemented carbide |
