Safety Valve
- The safety valve protect the pressure vessel, boiler and pipeline system from overpressure.
- Safety valve achieves rapid response through springs and levers. Periodically calibrate the tripping pressure and check the sealing to ensure reliable operation in case of emergency
Applications of Safety Valve
- Chemical production
- petroleum refining
- Thermal power generation
- Nuclear power facilities
- Industrial refrigeration
- Gas storage and transportation
- Pharmaceutical production
- Laboratory system
- Metallurgical equipment
- Fluid control
- City gas engineering
- Environmental protection project

Specifications of Safety Valve
- Nominal diameter: DN50 – DN200
- Nominal pressure: PN10, PN16, PN40
- Working tempreture: -60℃ – 450℃
- Shell test: 1.5 × PN
- Leak test: 1.1 × PN
- Flange connection: DIN2501,ANSI B 16.5,ANSI B 16.47,GB9113-2000,GB17241.6-1998


Features of Safety Valve
- Automatic overpressure protection
- Fast response and precise control
- Diversified structure types
- Corrosion and high temperature resistant materials
- Wide suitability
- Regular calibration and testing
- With anti-blocking design
Safety Valve
- Material
| ITEM | PART NAME | MATERIAL |
| 1 | BODY | WCB, CF8, CF8M, CF3M |
| 2 | NOZZLE | 304, 316, 316L, |
| 3 | PLUG | WCB, 420 |
| 4 | NOZZLE RING | CF8, CF8M |
| 5 | SET SCREW | 416, 304, 316, 316L |
| 6 | DISC | 304, 316, 316L |
| 7 | GUIDE | 304, 316, 316L |
| 8 | DISC HOLDER | 304, 316, 316L |
| 9 | SPRING | ALLOY |
| 10 | SPRING WASHER | WCB, 420 |
| 11 | STEM | 420, 304, 316 |
| 12 | BONNET | WCB, CF8, CF8M, CF3M |
| 13 | ADJUSTING BOLT | 420, 416 |
| 14 | NUT | WCB, 304 |
| 15 | BOLT | WCB, 304 |
| 16 | BELLOWS | 304, 316, 316L |
| 17 | GASKETS | ASBESTOS, TEFLON |
| 18 | LIFTING LEVEL | WCB |
| 19 | RAIL | WCB |
When to use a safety valve ?
Prevent the pressure from continuing to rise, and protect the safety of equipment and personnel.
What is the function of a safety valve ?
Automatic overpressure protection.
How many types of safety valve ?
Two main types.







