Ansi b 16 25 pressure tests.
Fire safe valve standard.
The valves are placed under pressure 75 of the max.
This means it has been pressurized set under fire at a defined temperature and duration and after stopping the fire supply the valve has been shock cooled and the.
Carbon steel or stainless steel 2 way fire safe ball valves.
150 or 300 ansi flange 1 2 to 8 pneumatic electric or manual.
Type size range actuator types available.
Ansi b 16 10 flange dimensions.
This will keep the harm as low as would be prudent.
The delicate seats were all burnt the valve was still fixed by the exact valve ball body.
The valve is fire safe tested and approved according to common standards like api 607 api 6 fa iso 10497 etc or the valve is within the qualification range of this standard.
Other applicable standards.
Ansi b 16 5 butt welded valve ends.
Api 598 b 6 6755 part 1 fire safe.
The standard was titled fire test for soft situated quarter turn valves.
In brief this procedure calls for the test valve to be placed in line and pressurized to 75 of rated pressure then subjected to a 1400 1800 f fire for 30 minutes.
Working pressure with water and must withstand a fire temperatures between 750 1000 c for 30 minutes.
Npt or socket weld with heat sink for weld in place.
The conval fire safe clampseal valve has been tested and successfully passed the rigorous test procedure defined by the american petroleum institute api standard 6fa.
Actuator mounting pad on the valve is as per iso 5211.
Api 607 4th edition api 6fa bs 6755 part ii.