Pressure testing 63mm gas pipe

[mutley racers]

eg of the calcs below

View attachment 35986

View attachment 35987

Wow no way, 257 minutes stabilisation and tt.

Thanks for sharing Shaun.

 

[ShaunCorbs]

Wow no way, 257 minutes stabilisation and tt.

Thanks for sharing Shaun.

each so around 10 hour test due to guage set

 

[mutley racers]

Yep most places I work are around the 50-75 mbar mop but mip can vary anywhere from 75mbar to 1 bar depending on what's around

So a 3 bar test should be ok then hey

 

[ShaunCorbs]

Depends on spec of pipe

 

[mutley racers]

Reading treloar gas book commercial side. The tightness test is quite something

 

[ShaunCorbs]

Reading treloar gas book commercial side. The tightness test is quite something

Have a look at purging

 

[mutley racers]

Have a look at purging

Hehe. I kind of skipped that one. My bed time reading now is specification of gas sdr11 pe pipe

 

[mutley racers]

So reading the pipes testing procedure for gas, it says to reduce temperature effects the trench must be backfilled. That is surprising

 

[mutley racers]

I contacted another department today a d all they could tell me in that area it is all low pressure installations which will supply a MOP of 19 to 21mb. Does this help?

 

[ShaunCorbs]

Ask what the supply pressure is eg before reg