| 1. Exposed type full lift spring safety valve is usually | | | | temperature above 300¡æ in sealed type safety |
| chose for steam boiler using. | | | | valve or above 350¡æ in exposed type safety |
| 2. Low lift spring safety valve is usually chose when | | | | valve. |
| the medium is liquid. | | | | 9. Bellow seal safety valve should be chose when |
| 3. Sealed Fall lift Spring safety valve is usually chose | | | | backing pressure of valve is changed and amount of |
| when the medium is air or other | | | | change above 10% of opening pressure. |
| 4.Full lift inner safety valve is usually chose for | | | | 10.If the medium is caustic, bellow seal safety valve |
| tank-truck for liquefied petroleum gas using or tank | | | | should be chose to protect important parts from |
| car for liquefied petroleum gas using . | | | | fault. |
| 5. Pilot operated safety valve is usually chose for | | | | Pay attention in installing and maintaining safety valve |
| Christmas tree using | | | | 1. All kinds of safety valve should be installed |
| 6. The pilot operated safety valve with functions of | | | | vertically |
| safety and controlling is usually used in turbine high | | | | 2. There should be no resistance in exit of safety |
| pressure bypass of steam-electric power equipment | | | | valve to avoid pressure |
| 7. The safety valve with release level should be | | | | 3. Safety valve should have special test and seal test |
| chose when the opening-test is demanded regularly. | | | | before installation |
| Disc can be lifted slightly at the fluid pressure above | | | | 4. Using-safety-valve should be checked regularly |
| 75% of opening pressure | | | | |
| 8. If temperature of medium is higher, the safety | | | | All rights reserved by FBIC Inc., do remember to |
| valve with radiator should be chose to bring down | | | | show the source of the news when copying. |
| the temperature of spring cavity when operating | | | | |