English to Russian Tech/Engineering Petroleum Eng/Sci

During SSOV venting sequence the pressure drop of the piping and accessories installed downstream of the vent valve shaH not exceed value at reference flow given in table 1:
GT frame type
Vent valve diameter
Maxima, interna, pipe volume
Pipe requirement downstream vent valve
Max pressure drop
Reference flow
6B.03
2"
259 L
9 bar
1.3 kg/s
3"
585 L
9 bar
3.4 kg/s
9E.03
4"
1012 L
9 bar
6.4 kg/s
6F.01
3"
585 L
9 bar
3.4 kg/s
6F.03
3"
585 L
9 bar
3.4 kg/s
9F.05
3"
1662 L
9 bar
4.8 kg/s
9HA.01
3"
1575 L
9 bar
4.8 kg/s
4"
3500 L
9 bar
6.5 kg/s
Table 1 : piping installation requirement
Note : reference flow is given for 100% CH4